
Law & Order is an American police procedural and legal drama television series created by Dick Wolf and produced by Wolf Entertainment. The series aired between September 13, 1990 and May 24, 2010, consisting of 456 episodes.
Starring
- George Dzundza - Max Greevey (eps1-22)
- Chris Noth - Mike Logan
- Dann Florek - Donald Cragen
- Michael Moriarty - Ben Stone
- Richard Brooks - Paul Robinette
- Steven Hill - Adam Schiff
- Paul Sorvino - Phil Cerreta
- Jerry Orbach - Lennie Briscoe
- S. Epatha Merkerson - Anita Van Buren
- Jill Hennessy - Claire Kincaid
- Sam Waterston - Jack McCoy
- Benjamin Bratt - Rey Curtis
- Carey Lowell - Jamie Ross
- Angie Harmon - Abbie Carmichael
- Jesse L. Martin - Ed Green
- Elisabeth Röhm - Serena Southerlyn
- Dianne Wiest - Nora Lewin
- Fred Dalton Thompson - Arthur Branch
- Dennis Farina - Joe Fontana
- Michael Imperioli - Nick Falco
- Annie Parisse - Alexandra Borgia
- Milena Govich - Nina Cassady
- Alana de la Garza - Connie Rubirosa
- Jeremy Sisto - Cyrus Lupo
- Linus Roache - Michael Cutter
- Anthony Anderson - Kevin Bernard
Special Guest Stars
- Amy Madigan - Emily Ryan (ep449)
- Billy Burke - Attorney Farmer (ep383)
- Bobby Cannavale - J.P. Lange (ep387)
- Carmen Ejogo - April Lannen (ep407)
- Debra Winger - Principal Woodside (ep447)
- Jennifer Beals - Sofia Archer (ep383)
Guest Stars
- Aaron Shaw - Moses Dolan (ep447)
- Abe Vigoda - Ret. Detective Landis (ep121)
- Adam Arkin - George Costas (ep51), Charlie Graham (ep350)
- Adam Driver - Robby Vickery (ep448)
- Adam Ferrara - Monty Bender (ep301)
- Adam Grupper - Ned Burks (ep195), John Ashburn (ep364), Stan Klein (ep422)
- Adam Kaufman - Attorney Swain (ep379)
- Adam LaVorgna - Hayden (ep179)
- Adam LeFevre - David Harrigan (ep173), Dr. Evodius Peters (ep336), Peter Belanger (ep420)
- Adam Mucci - Terry Fullmer (ep260)
- Adam Rothenberg - Marty Vance (ep405)
- Adam Scott - Robbie Howell (ep366)
- Adam Trese - Craig McGraw (ep65), Byron Stark (ep244), Carl Easton (ep386)
- Adam Zolotin - Lonnie "Nacho" Rickman (ep130)
- Addison J. Timlin - Hayley Kozlow (ep434)
- Addison Powell - Roger Auclair (ep7)
- Adella Gautier - Dora Reed (ep454)
- Adriana Sevan - Rosa Santiago (ep248)
- Adriane Lenox - Myra Warren (ep193), Charlene Royal (ep262), Dolores Martin (ep450)
- Adrienne Shelly - Wendy Alston (ep227)
- Agustin Rodriguez - Angel Cabrera (ep264), Miguel Camacho (ep311)
- Aharon Ipalé - Dr. Ismail Nasser (ep167)
- Aida Turturro - Cocktail Waitress (ep91), Receptionist (ep136)
- Aixa Rosario Medina - Blanca Alvarez (ep357)
- Akili Prince - Darnell Chenault (ep2)
- Al Espinosa - Agent Johnston (ep436)
- Al Freeman Jr. - Reverend Thayer (ep8)
- Al Sapienza - Officer (ep235), Pete Andretti (ep338)
- Alan Campbell - Nolan Steel (ep398)
- Alan Feinstein - Elliot Ketcham (ep33)
- Alan King - Jonathan Shapiro (ep64)
- Alan Manson - Arraignment Judge Eric Bryan (ep36), Chief Administrative Judge (ep136)
- Alan North - Reilly (ep20), Jimmy Scanlon (ep53), Terry Barrick (ep194)
- Albert Jones - Miles Hawthorne (ep243), Terence (ep297)
- Alberta Watson - Miss Hanley (ep33), Angela Brandt (ep45)
- Aleksa Palladino - Teresa Drosi (ep306)
- Alex Draper - Matt Devon (ep413)
- Alex Feldman - Mitch Regan (ep241)
- Alex Wipf - Mr. O'Brien (ep186)
- Alexander Chaplin - Tim Schwimmer (ep302)
- Alexandra Gersten - Sarah Fisher (ep67)
- Alexandra Neil - Lisa Harmon (ep165), Alice Marner (ep246)
- Alexis Dziena - Lena Parkova (ep298)
- Ali Farahnakian - Anwar Mohammed (ep278)
- Ali Marsh - Sally Beyers (ep106), Rachel Hutton (ep392), Esther Pinne (ep440)
- Ali Reza - Dr. Rohit Mehta (ep363)
- Alicia Washington - State Department Attorney (ep229)
- Alice Drummond - Zelda (ep83)
- Alice Hirson - Jewel (ep56)
- Alice Playten - Dog Walker (ep254)
- Alison Bartlett - Off. Angela Donahue (ep233), Sgt. Haywood (ep346)
- Alison Elliott - Rita Shalvoy
- Alison Folland - Gina Bowman (ep179)
- Aliya Campbell - Lashonda Harris (ep383)
- Allan Arbus - Dominick Keith (ep62)
- Allan Miller - Judge Simon Mikelson (ep106), Rabbi Geller (ep360)
- Allelon Ruggiero - Carl Borland (ep42)
- Allen Fitzpatrick - Mr. Golding (ep184)
- Allen Garfield - Carl Berg (ep38)
- Allison Dunbar - Allison Marissa Hall (ep87)
- Allison Janney - Ann Madsen (ep88)
- Ally Walker - Gretchen Steel (ep398)
- Alvin Epstein - Stuart Rubin (ep315)
- Amanda Peet - Leslie Harlan (ep116)
- Amber Kain - Jenny Mays (ep125)
- Amelia Campbell - Mrs. Woodson (ep204), Operation Molly Founder (ep424)
- Ami Brabson - Mrs. Richardson (ep181), Judge Madeline Drake (eps351, 438), Judge Cale (ep378)
- Amy Aquino - Defense Attorney Erica Stohlmeyer (ep10)
- Amy Carlson - Collette Connolly (ep327)
- Amy Hargreaves - Dana Wechsler (ep374)
- Amy Hohn - Defense Attorney Laura Dixon (ep329)
- Amy Landecker - Attorney Parrish (ep396)
- Amy Ryan - Amy (ep60), Valerie Messick (ep361)
- Ana Gasteyer - Monica's Social Worker (ep178)
- André Blake - US Attorney Purcell (ep411)
- André De Shields - Mr. Miller (ep365)
- Andrea Anders - Emily Hoyt (ep261)
- Andrea Roth - Marley Emerson (ep337)
- Andrew McCarthy - Attorney Finnerty (ep290)
- Andrew Pang - Dr. Hsu (ep161), Judge Gus Ishikawa (ep442)
- Andrew Robinson - Phillip Marietta (ep54)
- Angel David - Cop (ep245), Police Officer Nunez (ep315)
- Angela Bullock - Miss Watkins (ep143)
- Angela Goethals - Maura Scott (ep456)
- Angelica Torn - Georgina Woods (ep271)
- Angie Phillips - Debra Elkins (ep79)
- Anita Gillette - Cookie Costello (ep121)
- Ann Dowd - Dorothy Baxter (ep79), Patricia Smith (ep132), Dr. Beth Allison (ep310)
- Anna Belknap - Jessica Buehl (ep191)
- Anna Chlumsky - Mary Calvin (ep383), Lisa Klein (ep449)
- Anna George - Dr. Anita Chandary (ep396)
- Anna Gunn - Marielle Di Napoli (ep455)
- Anna Holbrook - Janet Silver (ep55), Christine Whitburn (ep92), Velma Darcy (ep147), Mrs. Milford (ep270)
- Anne Bobby - Nancy Gunther (ep100), Sylvia Fallon (ep200)
- Anne Twomey - Mrs. Harlan (ep116), Kate Bergreen-Spiegel (ep142), Pepper Garrison (ep209)
- Annette O'Toole - Valerie Grace (ep223)
- Annie Corley - Christine Hill (ep359)
- Annie Golden - Frances Padden (ep207)
- Annie Parisse - Jasmine Blake (ep275)
- Annika Boras - Trina Bailey (ep393)
- Annika Peterson - Lila Crenshaw (ep133)
- Anson Mount - Reverend James Sterling (ep385)
- Anthony Fusco - Murphy (ep98)
- Anthony Heald - Ian O'Connell (ep20), Councilman Spencer Talbert (ep96)
- April L. Hernandez - Shayna Rosario (ep317)
- Arabella Field - Susan Alfani (ep353)
- Arija Bareikis - Kim Triandos (ep147)
- Armand Schultz - Dr. Morris (ep63), Dr. Kenneth Price (ep101), Marty O'Neal (ep161), Kevin Morse (ep229), Ted Devon (ep413)
- Armando Riesco - Ruben Alvera (ep407), Gregory Cardenas (ep443)
- Arthur Nascarella - Jerry Malick (ep283), Michael Ruffino (ep333)
- Ashley Crow - Mrs. Jenna Kealey (ep31)
- Ato Essandoh - Jason Hendri (ep293), Andre Blair (ep389)
- Audrie Neenan - Judge Barbara Kaplan (ep174), Judge Marilyn Haynes (ep241)
- Austin Lysy - Mitch Palichek (ep217), Richard "Daniel" Ranson (ep344)
- Ava Haddad - Nari Martin (ep167)
- Avery Kidd Waddell - Jerome Warren (ep193)
- Avi Hoffman - Teddy Wayne (ep69)
- Bambadjan Bamba - Henry Young (ep370)
- Barbara Andres - Patricia Holland (ep3), Anne O'Brien (ep186), Alice Mosley (ep236)
- Barbara Barrie - Mrs. Bream (ep38)
- Barbara Eda-Young - Judge Martha Kershan (ep75)
- Barbara Garrick - Jenny Sandig (ep114), Mrs. Sims (ep221)
- Barbara Gulan - Ms. Boyle (ep259), Arraignment Judge (ep451)
- Barbara King - Sky Sweet (ep372)
- Barbara Walsh - Mrs. Lasky (ep187), Deanne Conroy (ep246)
- Barry Del Sherman - Bob Munsen (ep410)
- Barry Primus - Gary Silver (ep55)
- Barton Heyman - Defense Attorney Victor Norris (ep5)
- Baxter Harris - Art Diamond (ep80)
- Beatrice Winde - Miss Perry (ep13), Sarah De Witt (ep54), Corina Roberts (ep85), Jackson's Grandmother (ep259)
- Becky Ann Baker - Susan Simels (ep276), Defense Attorney Carolyn Walters (ep356)
- Becky London - Agnes Malone (ep226), Mrs. Benson (ep456)
- Bellamy Young - Stephanie Harker (ep190)
- Ben Bass - Dr. Adam Vaughn (ep382)
- Ben Hammer - Judge Herman Mooney (ep169)
- Ben Livingston - Dr. George Highgrove (ep402)
- Ben Schnetzer - Dustin Henry (ep452)
- Ben Shenkman - Defense Attorney Nick Margolis
- Ben Weber - Ethan Capp (ep240)
- Ben Youcef - Sameer Ahmed (ep436)
- Benjamin Hendrickson - Attorney for Douglas Phillips (ep24), Warren Talbert (ep159)
- Benny Nieves - Ricky Garcia (ep154)
- Bernadette Quigley - Mrs. Padgett (ep310)
- Bernardo Peña - Ben Faoud (ep375)
- Bernie Barrow - David Hamilton (ep7)
- Bernie McInerney - Trial Judge Michael Callahan, Lou Ballard (ep430)
- Bernie Sheredy - Georgy Maletkov (ep204)
- Bess Rous - Carolyn Marello (ep329), Leslie (ep441)
- Beth Dixon - Mrs. Dolan (ep281), Pam Lamar (ep353)
- Betsy Aidem - Kay Brant (ep162)
- Betty Gilpin - Paige Regan (ep442)
- Betty Miller - Mrs. Bridget McDiarmid (ep20)
- Beverly Johnson - Marcela Di Portago (ep71)
- Bibi Besch - Margaret Berman (ep73)
- Bill Buell - Attorney Lundy (ep423)
- Bill Camp - Denny Rogis (ep321)
- Bill Cwikowski - Hampton (ep40), Walter Levin (ep223), Mr. Benson (ep456)
- Bill Dawes - David Arkuss (ep285)
- Bill Irwin - Ellison Conway (ep408)
- Bill Marcus - Phil Guardino (ep76), McGill (ep108), Ron Brewster (ep216)
- Bill Moor - Bill Patton
- Bill Nelson - Shelby (ep20)
- Bill Raymond - Ellis Drake (ep49), Father Joe Krolinsky (ep108)
- Bill Sage - Kevin Morton (ep438)
- Bill Smitrovich - Ernie Carulli (ep361)
- Billie Neal - Angela Wilkes (ep11), Rhoden (ep43)
- Billy Magnussen - Cody Larson (ep417)
- Blair Brown - Virginia Masters (ep296)
- Blanche Baker - Lucy Neven (ep34)
- Bob Dishy - Lawrence Weaver
- Bob Gunton - Gil Himes (ep5)
- Bobby Cannavale - Randy Porter (ep283)
- Boris McGiver - Alan (ep47), Desk Clerk (ep69), Hjalmar Forskerskoler (ep329), Jerry Gans (ep444)
- Boyd Gaines - Lieutenant St. Claire (ep61), Nathan Barclay (ep104), Oliver Shain (ep147), James Rillard (ep329)
- Brad Dourif - Dr. David Lingard (ep394)
- Brad Sullivan - Joe Anson (ep17), Tommy Brannigan (ep236)
- Brad William Henke - Ted Sanderson (ep409)
- Bradley White - Jesse Unger (ep34), Jim Shepherd (ep144), Michael Hallenbeck (ep214), Defense Attorney Mike Jeffers (eps385, 406)
- Brady Corbet - Patrick Friendly (ep414)
- Brandon Scott - Alan Crockett (ep377)
- Bray Poor - Grant Silverman (ep156)
- Brenda Wehle - Judge Valerie Shaw (ep365)
- Brennan Brown - Forensic Technician (ep241), Attorney Hoyt (ep441)
- Brian Davies - Dr. Rheinhold Bishop (ep70), Trial Judge Warren Busey (eps229, 242)
- Brian Delate - Harris (ep230)
- Brian Gant - Jonah Applebaum (ep432)
- Brian J. Smith - Derek Sherman (ep424)
- Brian Kerwin - Ted Weldon (ep267)
- Brian Markinson - David Preston (ep55)
- Brian O'Neill - Francis Curran (ep187), Russell Woods (ep271)
- Brian Smiar - Mr. McCracken (ep118)
- Brian Tarantina - Corso (ep30), Al Manos (ep254)
- Brianna Steinhilber - Molly Preston (ep373)
- Bridgit Ryan - Celeste McClure (ep12)
- Brigitte Bako - Carrie Salter (ep312)
- Brooke Bloom - Molly Lasky (ep421)
- Brooke Smith - Margot Bell (eps127, 350), Ms. Kurland (ep391)
- Brooks Rogers - Dr. Trevor Hellems (ep48)
- Bruce Altman - Harv Beigel (eps15-16), Tom Morrison (ep76), Defense Attorney Brad Feldman, Dr. Alvin Lawrence (ep331)
- Bruce Katzman - Allen Bradley (ep70)
- Bruce Kirkpatrick - New Jersey Trooper (ep16), Mark Sanders (ep55), Tom Harrigan (ep104), Colin Shaw (ep261), Det. Jay Beattie (ep358), Alex Jenner (ep452)
- Bruce MacVittie - Gabe Hunt (ep33), Arvin Baker (ep165), Larry Brunig (ep225), Bill Parker (ep289), Frank Andreas (ep371)
- Bruce McCarty - Roger Quinn (ep254)
- Bruce Norris - Steven Cleary (ep48)
- Bruce Nozick - Stanley Matson (ep279)
- Bruce Ornstein - Lev Berenson (ep234)
- Bruno Alexander - Peter Elliott (ep399)
- Bryan Scott Johnson - Scott Tobias (ep250)
- Burt Young - Lewis Darnell (ep152)
- Byron Jennings - Ted Driscoll (ep27), Ross Fineman (ep87), Richard Brandson (ep122)
- Caitlin Clarke - Robert Dorning's Attorney (ep145), Miss Walsh (ep199), Linda Walsh (ep228)
- Callie Thorne - Attorney Stuart (ep373)
- Cameron Bowen - Billy Woodson (eps204-205)
- Camille Chen - Emma Kim (ep435)
- Candice Bergen - Trial Judge Amanda Anderlee (ep328)
- Caprice Benedetti - Alexandra Shabtai (ep276)
- Cara Buono - Shelly Taggert (ep131), Alice Simonelli (ep189), Attorney Shannon (ep386)
- Caris Corfman - Defense Attorney Elizabeth Strickland (ep5)
- Carl Gordon - Horace Worthington (ep307)
- Carla Pinza - Rosa Martinez (ep48)
- Carlos Leon - Rafael Celaya (ep300), Diego Cardenas (ep413)
- Carol Rossen - Judge Gelfant (ep56)
- Carolee Carmello - Janice Wylie (ep252)
- Caroline Aaron - Susan (ep27), Valerie Walker (ep53)
- Caroline Dhavernas - Alicia Milford (ep270)
- Caroline Kava - Rose Schwimmer (ep12), Betty Abrams (ep139)
- Caroline Lagerfelt - Danielle Keyes (ep71)
- Carolyn McCormick - Dr. Elizabeth Olivet
- Casey Siemaszko - Mr. Shuman (ep154), Bart Rainey (ep442)
- Catherine Dent - Dena Carter (ep380)
- Catherine Hickland - Faye Ireland (ep239)
- Catherine Kellner - Celia Goddard (ep242)
- Cathy Moriarty-Gentile - Lorraine Cobin (ep256)
- Cecilia Hart - Mary Bradley (ep70), Marcia Stamell (ep126), Greta Singer (ep171)
- Chance Kelly - Kyle Marsden (ep328)
- Chandler Adrian Parker - Robbie Delgado (ep291)
- Charissa Chamorro - Kay Hartley (ep287)
- Charles Brown - Riggs (ep62), Stephen Morehouse (ep255)
- Charles Cioffi - Frank Masucci (eps15-16)
- Charles Hallahan - Captain Tom O'Hara (ep65)
- Charles Levin - Mr. Shuster (ep158)
- Charles Malik Whitfield - Calvin Berry (ep181)
- Charles Parnell - A.U.S.A. Mike Warner (ep334), Jonas Durning (ep398)
- Charlie Day - Jeremy (ep244)
- Charlie Hofheimer - Andrew Jameson (ep104), Ben Karmel (ep133)
- Charlotte Colavin - Judge Lisa Pongracic (ep208)
- Charlotte d'Amboise - Caryn Wyman (ep247)
- Charlotte Moore - Attorney Julia DeBakey (eps3, 144)
- Charlotte Ross - Judith Barlow (ep384)
- Chelsea Altman - Celeste Adams (ep47), Danielle Mason (ep137), Louise Casey (ep453)
- Cheryl Giannini - Janice Rydell (ep31), Louise Fryman (ep73)
- Cheryse Nicol Pickens - Jolie Henderson (ep447)
- Cheyenne Jackson - Jon Sorrentino (ep449)
- Chip Zien - Homeless Man (ep5), Mr. Green (ep57), Attorney Steven Cromwell (eps249, 267)
- Chris Bauer - Sergeant (ep277)
- Chris Bowers - Matt Sawyer (ep441)
- Chris Cooper - Roy Payne (ep120)
- Chris McKinney - Huey Tate (ep143)
- Chris Mulkey - Judge Robert Maxen (ep435)
- Chris Sarandon - Defense Attorney Howard Pincham (eps286, 332)
- Christian Camargo - Attorney Wilson (ep424)
- Christina Haag - Kitty Lansing (ep186)
- Christina Rouner - Mrs. Atkins (ep197), Defense Attorney Karen Sanders (eps401, 441)
- Christine Baranski - Katherine Masucci Beigel (eps15-16), Rose Siegal (ep86)
- Christine Estabrook - Hensley's Attorney (ep406)
- Christopher Cousins - Robert Dorning (ep145)
- Christopher Denham - Gerald Stockwell (ep387)
- Christopher Donahue - Max Edgars (ep312)
- Christopher Durham - Diamond River Rep (ep366)
- Christopher Evan Welch - Defense Attorney David Haig
- Christopher Gartin - Dennis Michaels (ep203)
- Christopher Maher - Qaadar Khaleel (ep335)
- Christopher McCann - Edgar Hoover (ep15), Drew Hamilton (ep270), Harvey Wellman (ep361), Trial Judge Colin Gerard (eps412, 439)
- Christopher McDonald - John Jay McIntyre (ep423)
- Christopher McHale - Bail Agent Ron Difka (ep194)
- Christopher Patrick Mullen - Matt Bergstrom (ep186), Alan Petrie (ep248)
- Chuck Cooper - Drew MacDaniel (ep21), Walters' Attorney (ep125), Rolando August (ep235), Judge Lester Poole (ep422)
- Cindy Katz - Judge Wendy Forman (ep384), Family Court Judge (ep451)
- Claire Danes - Tracy Brandt (ep45)
- Clancy Brown - Sheriff John Burkhart (ep416)
- Clare Wren - Julia Danforth (ep118)
- Clarence Williams III - Latiff Miller (ep235)
- Clark Gregg - Patrick Dunne (ep12)
- Claudia Shear - TARU Tech Antoinette (ep410)
- Claywood Sempliner - Mr. Fischer (ep168)
- Clea DuVall - Amanda Green (ep453)
- Cliff Gorman - Trial Judge Gary Feldman
- Colleen Clinton - Cosette Alexander (ep303)
- Colleen Werthmann - Amanda Reese (ep262), Mrs. Grogan (ep438)
- Colm Meaney - Wyatt Landon (ep414)
- Connie Nelson - Ana Zakarian (ep167)
- Constantine Maroulis - Fabio Scalia (ep452)
- Cordelia González - Anita Urbano (ep18)
- Corey Stoll - Gerald Ruane (ep362)
- Cotter Smith - Eric Martin (ep167)
- Courtney B. Vance - Benjamin "Bud" Greer (ep101)
- Craig Walker - Sean Ridgeway (ep295), Leon Vorgitch (ep380)
- Curtis McClarin - Charles Perry (ep193), Marvin Waters (ep297)
- Cyndi Cartagena - Anna Galvez (ep135)
- Cynthia Harris - Gifford (ep30), Adele Diamond (eps69, 155)
- Cynthia Hayden - Claudia Milgram (ep47), Miss Latham (ep192)
- Cynthia Martells - Sandra Koblin (ep46)
- Cynthia Nixon - Laura Di Biasi (ep2)
- Cyrus Farmer - Darryl "G Train" Collins (ep262), Manager (ep346)
- Dallas Roberts - Matthew Blanchard (ep99), Marty Winston (ep420)
- Damian Young - Benson White (ep233), Counselor Sizemore/Sonny King's attorney (ep321), Judge Stephen Emerton (ep387), Bruce Graham (ep453)
- Damon Gupton - Sammy Morris (ep209)
- Dan Bakkedahl - Tony Bicks (ep382)
- Dan Desmond - Roy Pack, Sr. (ep31), Trial Judge (ep255)
- Dan Frazer - Hon. J. McLellan (ep152), Judge Barry McLellan (ep163)
- Dan Grimaldi - Albert Bennato (ep253)
- Dan Hedaya - Lt. Brian Torelli (ep60), Defense Attorney Leslie Drake (ep163)
- Dan Lauria - Capt. Joseph Strudevant (eps235, 240)
- Dan Moran - Tibor Nichols (ep122), Judd Larson (ep233)
- Dan Ziskie - George Jeffries (ep107), Fred Sawyer (ep140)
- Dana Elcar - Robert Cook (ep63)
- Dana Eskelson - Karen Nix (ep340)
- Dana Ivey - Ms. Shore (ep131)
- Dana Reeve - Susan Tashjian (ep146)
- Dana Wheeler-Nicholson - Maggie Callister (ep223)
- Danai Gurira - Courtney Owens (ep444)
- Dani Klein - Susan Beckner (ep157)
- Daniel Benzali - Judge Wade Bookman (ep371)
- Daniel Cantor - Mr. Jordan (ep231)
- Daniel Eric Gold - David "D" Glass (ep351), Alex Conway (ep448)
- Daniel Gerroll - Dr. Charles Blanchard (ep304)
- Daniel Hugh Kelly - Councilman Kevin Crossley (ep111), Julian Spector (ep201), Lawrence Garber (ep262), Leland Barnes (ep358)
- Daniel Jenkins - Asst. U.S. Attorney Richard Cassidy (ep400)
- Daniel London - Bradley Cameron (ep408)
- Daniel McDonald - Bernard Dressler (ep168)
- Daniel Oreskes - Durban Campaign Manager (ep111), Mr. Wilson (ep175), Jeff Waites (ep253), Andrei Karpovich (ep390)
- Daniel Roebuck - Nathaniel Prentiss (ep357)
- Daniel Sauli - Officer Rodchenko (ep401)
- Daniel Sunjata - Kenny Tremont (ep337)
- Daniel von Bargen - Lambrusco (ep23), Commander Billings (ep160), Supt. Cooper (ep328)
- Danielle Carin - Heather Russo (ep241)
- Danny Burstein - Joe Garvey (ep107), Howe (ep177), ADA Lester Rosenfeld (ep241), Peter (ep276), Surrogate Murray (ep422), Judge Sam Murray (ep445)
- Danny Gerard - Billy Wojak (ep81)
- Danny Johnson - Off. Earl Smith (ep222)
- Danny Mastrogiorgio - Perry Behrens (ep112), Bruce Valentine (ep221), Nicky Fatone (ep400)
- Darrell Larson - Kevin Doyle (ep56)
- Daryl "Chill" Mitchell - Reginald Beggs (ep41)
- Daryl Edwards - Richard (ep8), Allan Taylor (ep192), Nathan Walpole (ep230), Shawn Foreman (ep338)
- Dash Mihok - Firefighter Walters (ep430)
- David Aaron Baker - Adam Teague (ep277), Defense Attorney Jake Nemeth (eps411, 447)
- David Alan Basche - Attorney Tepper (ep381), Kevin Franklin (ep434)
- David Allen Case - Peter Vega (ep259)
- David Aron Damane - James Wilson (ep262)
- David Bishins - Carl Heckley (ep410)
- David Canary - Jeremy Orenstein (ep188)
- David Chandler - Defense Attorney Marvin Silverman (eps290, 338)
- David Costabile - Glen Dolan (ep454)
- David Cromwell - Mr. Veitch (ep157)
- David DeBeck - Captain Bolland (ep266)
- David Deblinger - Tommy Avakian (ep276)
- David Dukes - David Moore (ep228)
- David Fonteno - Munro (ep152), John Groban (ep229), Trial Judge Derek Hafner
- David Garrison - Gerald Fox (ep123), Richard Billings
- David Green - FBI Agent Foster (ep260)
- David Groh - Dr. Jacob Lowenstein (eps9, 337), Judge Joel Thayer (ep80)
- David Harbour - Mike (ep212), Jay Carlin (ep405)
- David Krumholtz - Scotty Fisher (ep67)
- David Lansbury - Douglas Phillips (ep24), Dennis Teal (ep431)
- David Leary - Mr. Quinn (ep22), Curtis Milgram (ep47), Warren Bartlett (ep106), Jerry Vaylor (ep242), Justice R. Truffin (ep332)
- David Little - Hudson (ep67), Fred Dillon (ep97), Mitch Weiss (eps131, 214)
- David Margulies - Simpson (ep13), Tommy Zanescu (ep64), Dr. Jordan Delbert (ep103), Dr. Jack Clayburg (ep336)
- David Marshall Grant - A.D.A. Charlie Harmon (eps161, 165)
- David McCallum - Craig Holland (ep156)
- David Mogentale - Gerard Petoskey (ep190)
- David Patrick Kelly - Josh Perlberg (ep399)
- David Pittu - Donald Albers (ep242), Stephen Cane (ep305)
- David Rasche - Joe Delaney (ep428)
- David S. Chandler - Louis Colson (ep148)
- David Seaman - Roy Pack Jr. (ep31)
- David Spielberg - Isaac Shore (ep41), Judge Alvin Hoyt (ep174)
- David Thornton - Paul Medici (ep142), Paul Radford (ep225), Jeremy Cook (ep280), Defense Attorney Lionel Granger (ep344)
- David Vadim - Robert Kelly (ep242), Johnny Zona (ep352)
- David Valcin - Officer Fratelli (ep183)
- David Warshofsky - Danny Miller (ep254), Walter Grimes (ep322), Roger Kraslow (ep391)
- David Wike - Frank (ep234), Clay Warner (ep294)
- David Wilson Barnes - Mr. Quinlann (ep391), Attorney Gilman (ep449)
- David Wohl - Ward Salsman (ep172), Randall Wylie (ep252)
- David Zayas - McGinty (ep114), Raoul Cervantes (ep135), Carlos (ep185), John Mireles (ep301), Detective Justin Cabrera (ep405)
- Deanna Dunagan - Estelle Adams (ep418)
- Debbon Ayer - Dana Grobman (ep208)
- Deborah Hedwall - Elaine Hale (ep21), Arlene Webber (ep141), Senator Anne Benton (ep253), Mrs. Shelby (ep344)
- Deborah Lee Johnson - Margaret Nash (ep126)
- Deborah Offner - Trial Judge Rachel Cates (eps421, 434)
- Deborah Rush - Frances Houston (ep164)
- Debra Monk - Kathleen O'Brien (ep90), Dr. Madelyn Stahl (ep269), Judge G. Proctor (ep348)
- Dee Hoty - Judge H. Kifner (eps399, 407)
- Deena Martin - Barbara Mann (ep73)
- Deirdre O'Connell - Jane Schuman (ep79), Joanna Wilder (ep249), Dr. Valerie Knight
- Del Pentecost - Jerald McAlister (ep414)
- Delphi Harrington - Suzanne (ep53), Mrs. Fairchild (ep122)
- Dena Tyler - Nancy Harvard (ep348), Suzanne Madison (ep411)
- Denis O'Hare - Harold Morrissey (ep68), James Smith (ep132), Phil Christie (ep162), Father Richard Hogan (ep289)
- Denise Dowse - Judge Nora Glover (ep388)
- Denise Hernandez - Maria Gonzalez (ep77)
- Dennis Boutsikaris - Defense Attorney Richard "Dick" Berkley (eps4, 48), Defense Attorney Al Archer, Defense Attorney Neil Pressman (ep170)
- Dennis Cockrum - Don Lampard (ep387)
- Dennis Creaghan - Leonard Gorham (ep58), Downing's Attorney (ep185), Liddle (ep239)
- Dennis Parlato - Warren Karmel (ep133)
- Dennis Predovic - McGiven (ep173)
- Derek Cecil - Steven Lamar (ep353), Joe Hartwig (ep418)
- Devin Ratray - Richard Elam (ep373)
- Diana Scarwid - Lisa Russo (ep260)
- Diane Kagan - Judge Elaine Durren (ep18)
- Diane Venora - Mara Feder (ep57)
- Dick Anthony Williams - Sam Burdette (ep93)
- Dick Latessa - Conti (ep6), Admiral Miles Coty (ep61), Attorney Mitchell Klein (ep149), Bishop Durning (eps264, 289)
- Doc Dougherty - Bill Reed (ep248), Sarge at Accident (ep349)
- Dominic Chianese - Dan Rubell (ep21), Trial Judge Paul Kaylin (eps109, 165)
- Dominic Fumusa - Tom Lupo (ep394)
- Don Billett - Judge Ed Richter
- Don R. McManus - Jordan (ep10)
- Donal Donnelly - Daniel Mallahan (ep20)
- Donald Billet - Captain Cragen's Attorney (ep22)
- Donna Hanover - Trial Judge Deborah Burke
- Donna Mitchell - Clinic Nurse (ep214)
- Donna Murphy - Carla Tyrell (eps158, 218)
- Donnie Keshawarz - Mr. Nozari (ep425)
- Dorian Missick - Henry Williams (ep243), Ronald Duggan aka Slug (ep317)
- Doris Belack - Trial Judge Margaret Barry
- Doug E. Doug - Michael Reed (ep454)
- Doug Kruse - Mr. Mackey (ep405)
- Doug Wert - Jerry (ep300)
- Douglas Turner Ward - Fred Bryan (ep59)
- Drew McVety - Mr. Haas (ep295), FBI Agent (ep406)
- Drew Snyder - Frank Cooper (ep150)
- Dylan Baker - Sean Hyland (ep33), Aaron Downing (ep185), Defense Attorney Sanford Rems
- Dylan Price - Detective Pete Bowers (ep198)
- E. Katherine Kerr - Mrs. Sawyer (ep140)
- E.J. Bonilla - Carlos (ep426)
- Earl Hindman - Mr. Riley (ep222)
- Ed Lauter - Defense Counsel (ep219)
- Eddie Kaye Thomas - Ethan Vance (ep209)
- Eddie Malavarca - Steven Alan Smith (ep106)
- Edie Falco - Sally Bell
- Edmund Genest - Warren Stevenson (ep170)
- Edward Conery - Edward Connery (ep182)
- Edward Herrmann - Drew Seely (ep100), Mr. Mosbeck (ep201), Frederic Matson (ep428)
- Eisa Davis - Defense Attorney Danvers (eps390, 425)
- Elaine Stritch - Lanie Stieglitz (eps53, 148)
- Eli Wallach - Simon Vilanis (ep44)
- Elizabeth Marvel - Defense Attorney Grubman (eps394, 431)
- Elizabeth Norment - Trial Judge Arlene Brewer (ep397)
- Elizabeth Rodriguez - Isabel Alvarez (ep440)
- Ellen McElduff - Judge Stella Ritchie (ep343)
- Ellen McLaughlin - Diane Payton (ep287)
- Ellen Whyte - Claudia Panati (ep197), Mrs. Powell (ep257)
- Elliott Gould - Stan Harkavy (ep443)
- Emily Meade - Bonnie Jones/Amanda Evans (ep446)
- Emmy Rossum - Alison Martin (ep167)
- Elizabeth Ashley - Gwen Young (ep89)
- Elizabeth Franz - Alison Bishop (ep314)
- Elizabeth Hanly Rice - Leah Coleman (ep119), Adele Byrne (ep325)
- Elizabeth Hubbard - Mrs. Cleary (ep48)
- Elizabeth Lawrence - Miss Elsie Hatch (ep26)
- Elizabeth Parrish - Judge Sally Norton (ep81)
- Elizabeth Rodriguez - Caridad Montero (ep113)
- Elizabeth Zins - Ms. Bergman (ep240)
- Ellen Foley - Annette Tobin (ep222)
- Ellen Greene - Karen Gaines (ep112)
- Ellen McLaughlin - Officer DiPonti (ep198)
- Ellen Muth - Adele Green (ep158)
- Ellen Parker - Gwen Savitt (ep79)
- Ellen Pompeo - Jenna Weber (ep127), Laura Kendrick (ep220)
- Enid Graham - Mrs. Drucker (ep354), Carla Howell (ep438)
- Eric Alperin - Kevin Parker (ep81)
- Eric Bogosian - Gary Lowenthal (eps46, 57)
- Eric D. Hill Jr. - Jason Carter (ep382)
- Eric Michael Cole - Brad Toshack (ep430)
- Eric Sheffer Stevens - Frank Beezley (ep411)
- Erick Avari - Dr. Ekballa Raza (ep1), Ravi Patel (ep308)
- Erik Heger - Jim Kirkpatrick (ep393)
- Erik Jensen - George Harding (ep171)
- Erik King - Dorian "Silky" Ford (ep8)
- Erika Alexander - Doris Carver (ep8)
- Erika Burke Rossa - Stacey Tipton (ep448)
- Erin Dilly - Joyce Foley (ep421)
- Erin Gann - Paul Rochet (ep261)
- Ernie Hudson - Frank Gibson
- Estella Warren - April Troost (ep351)
- Eugene Jones III - Jeremy Miller (ep368)
- Evalyn Baron - Hotel Desk Clerk (ep159)
- Evan Handler - Eli Becker (ep234)
- Everett Quinton - Jeffrey Weiss (ep155)
- Faith Prince - Miss Farrell (ep76)
- Fay Ann Lee - Attorney for Wendy Alston (ep227)
- Felicity Huffman - Diane Perkins (ep50), Hillary Colson (ep148)
- Felix Fibich - Mr. Radsenhauer (ep213)
- Felix Solis - Mr. Garcia (ep363), Livan Santana (ep428)
- Fernando López - Tony Garcia (ep153), Narcotics Detective Lopez (ep249)
- Finn Carter - Leslie Hart (ep33)
- Firdous Bamji - Ben Soleimani (ep324)
- Fisher Stevens - Ross Fineman (ep119)
- Fran Brill - Sondra More (ep10), Mrs. Leah Bartlett (ep106), Mrs. Stark (ep174)
- Frances Conroy - Elizabeth Hendrick (ep10), Rosa Halacy (ep196)
- Frances Fisher - Susan Boyd (ep62)
- Frances Sternhagen - Margaret Langdon (ep19), Estelle Muller (ep144)
- Franchelle Stewart Dorn - Ms. Joyner (eps151, 164)
- Francie Swift - Megan Nelson/Bobby/Nancy (ep110), Mercedes Garrison (ep209), Caroline Reeves (ep433)
- Frank Converse - Gary Wallace (ep33), Lyle Christopher (ep122), Mr. Kelly (ep203), Stable Manager (ep324), Wayne Hardy (ep415)
- Frank John Hughes - Mike Bodak (ep154)
- Frank Pellegrino - Mr. Contini (ep109)
- Frank Vincent - John Franchetta (ep199)
- Frank Whaley - John McDowell (ep268)
- Frank Wood - Dr. Rutland (ep187)
- Frankie R. Faison - Lester Crawford (ep11)
- Fred Grandy - Neil Skinner (ep292)
- Fred Melamed - Judge Bertram Hill (ep446)
- Frederick Weller - Dan Garrett (ep58)
- Fritz Weaver - Philip Woodleigh (ep21), Larry Weber (ep58), Nathan Fogg (ep345)
- Gabriel Olds - Sean McKinnon (ep72)
- Gail Strickland - Ellen Gorham (ep58)
- Gareth Williams - Ted Quinlan (ep114)
- Garret Dillahunt - Julian Preuss (ep284), Eric Lund (ep369)
- Gary Basaraba - Kevin Reilly (ep53), Officer John Patrick Worley (ep328)
- Gary Busey - Tommy Vega (ep259)
- Gary Perez - Roberto Ramos (ep258)
- Gene Canfield - Det. Fred Norris (ep168)
- Gene Saks - Judge Carl Samuel (ep170)
- Gene Silvers - Raymond Hobbs (ep266)
- Geneva Carr - Larry's Accountant (ep437)
- Geoff Pierson - Lawyer (ep30), OCCB Investigator (ep88)
- Geoff Wigdor - Keith Taylor (ep237)
- Geoffrey Nauffts - Jamie Cullen (ep24), Mr. Peterson/Monica Johnson's Defense Attorney (ep178), Mr. Goodwin (ep415)
- George Bartenieff - Stefan Anders (ep319)
- George Coe - Lee Hastings (ep61)
- George Demas - Mr. Gerard (ep197), Charles Braden (ep258)
- George DiCenzo - Eddie Palmieri (ep44), Sam 'Bunny' Russo (ep146)
- George Grizzard - Arthur Gold
- George Hearn - Independent Counsel William Dell (ep195)
- George Martin - Edward Vogel (ep43), Abe Mercer (ep135), William Hallenbeck (ep214)
- George Morfogen - Dwight Anderson (ep19), Mr. Reyes (ep229)
- George Murdock - Judge Eric Bertram
- George Palermo - Joe Russo (ep171)
- Gerald Anthony - Mario (ep201)
- Gerald Gordon - Mr. Bream (ep38)
- Geraldine Hughes - Sandra Talbot (ep415)
- Gerrit Graham - Alan Bruder (ep180), Mr. Hutchins (ep272)
- Gerry Bamman - Internal Affairs Lieutenant Kennedy (ep22), Dean Pollard (ep99), Stan Gillum, Arraignment Judge Thomas Everton (eps323, 360)
- Gerry Becker - John Sherman (ep78), Dr. Neal Latham (ep110), Thomas Robbins (ep162), Defense Attorney Gerard Wills
- Gerry Rosenthal - Randy Baxter (ep179)
- Giancarlo Esposito - Mr. Baylor (ep137), Defense Attorney Rodney Fallon
- Gibson Frazier - Attorney Whitney (ep404)
- Glenn Fitzgerald - Seth Teiteln (ep240)
- Glenn Morshower - Captain (ep450)
- Gloria Foster - Satima Tate (eps46, 143)
- Glynnis O'Connor - Defense Attorney Anne Paulsen
- Gordana Rashovich - Miss Bayliss (ep28)
- Gordon Joseph Weiss - Cliff (ep111), Michael Gordon (ep210), Mitch Selman (ep306)
- Gordon MacDonald - Phil Gianni (ep278), Judge Donald Paulsen (ep402)
- Graeme Malcolm - Hotel Manager (ep331)
- Graham Sack - Colin Harrigan (ep104)
- Graham Winton - Mr. Waring (ep182), Kevin Wilson (ep284)
- Grant Chang - Akai Yuen (ep286)
- Grant Shaud - Dr. Hoffman (ep396)
- Greer Goodman - Flores' Defense Attorney Tucker (ep146), Caitlin Birch (ep282)
- Greg Keller - Defense Attorney Peter Berbatov (eps400, 450)
- Greg Wood - Semple's Public Defender (ep251)
- Gregg Edelman - Toshack's Attorney (ep430)
- Gregory Hines - Carl Halpert (ep293)
- Gregory Jbara - Oscar Newton (ep448)
- Gretchen Egolf - Sherri Rosatti (ep283)
- Gretchen Hall - Wendy Teal (ep431)
- Guenia Lemos - Jenny Lupo
- Guillermo Díaz - Bobby Sabo (ep211)
- Gustave Johnson - Mr. Styles (ep145), Hanlon (ep456)
- Guy Boyd - Mr. Beltran (ep217), Elston Norrell (ep346)
- Hallee Hirsh - Jenny Brandt (ep207)
- Hallie Foote - Margaret Chapman (ep279)
- Harley Venton - Raymond "Ray" Taylor (ep237)
- Harriet Sansom Harris - Sheila (ep20), Ms. Kenny (ep48)
- Harris Yulin - Edward Manning (ep82), Stanley Devon (ep413)
- Harry Goz - Mr. Golavski (ep175)
- Harry Groener - Terrence Dwyer (ep104)
- Harry Hamlin - Randall Bailey (ep393)
- Harry Johnson - Brewer (ep43)
- Harry O'Reilly - Jerry O' Brien (ep164)
- Harvey Atkin - Judge Ronald Mannheim (eps190, 223)
- Haviland Morris - Polly Norris (ep4), Molly Kilpatrick (ep173)
- Hazelle Goodman - Mrs. Gordon (ep317)
- Heath Lamberts - Forensic Handwriting Expert (ep123)
- Heather Burns - Lana Madison (ep174)
- Heather Matarazzo - Stephanie Sutter (ep177), Janice Dunlap (ep417)
- Heidi Leick - Kathy Rogers (ep71)
- Helen Carey - Defense Attorney Charlotte Swan
- Helen Gallagher - Flo Bishop (ep75)
- Henderson Forsythe - Lucius Carpenter (ep27), Hamilton Stewart (ep213)
- Henry Stram - Eli Madison (ep318)
- Henry Woronicz - Mr. Hughes (ep201), Peter Wilder (ep249)
- Holt McCallany - Marc Kenner (ep87), Officer Steve Felton (ep198)
- Hope Chernov - Maggie Barkman (ep299)
- Howard W. Overshown - Defense Attorney Kyle Rowen (eps370, 388)
- Howard Witt - Judge Keith Silver (ep50)
- Ian Kahn - Chris Mason (ep418)
- Idris Elba - Lonnie Liston (ep262)
- Ilana Levine - Emily Schoener (ep178), Victim's Advocate Employee (ep358)
- Ileen Getz - Irene Krasner (ep105), Sydelle Greenblatt (ep334)
- Ira Hawkins - Head of Lab Security (ep239)
- Irén Bordán - Karen Iliescu (ep64)
- Isabel Gillies - Monica Johnson (ep178)
- Isabel Glasser - Patty Taylor (ep237)
- Isiah Whitlock Jr. - Antony White (ep99), Simon Brooks (ep123), Fred Oakes (ep215), Capt. Navarro (ep233), Gordon Samuels (ep330)
- J. Smith-Cameron - Ms. Moskowitz (ep35), Paula Downing (ep185), Linda Drosi (ep306), Attorney Ward (ep427)
- J.A. Preston - Congressman Ronald Eaton (ep11)
- J.D. Cannon - Chet Burton (ep18)
- J.D. Jackson - Lenny Thorne (ep349)
- J.K. Simmons - Jerry Luppin (ep85), Dr. Emil Skoda
- Jacinto Taras Riddick - Oscar Liriano (ep165), Luis Pacheco (ep189), Joseph Hernandez (ep454)
- Jack Gilpin - Dr. Simon Reed (ep100), Defense Attorney Mr. Axtell
- Jack Gwaltney - Officer Davis (ep8), Jack Young (ep160), Ian Hopkins (ep304)
- Jack Hallett - Bauer (ep83), Abrams (ep156), Investment Scam Victim (ep221)
- Jack Koenig - Defense Attorney for Seth Teitel (ep240), Defense Attorney Swift (ep310), Carroll's Attorney (ep378)
- Jack Noseworthy - Agent Brian Griggs (ep375)
- Jack T. Capenter - Max Purcell (ep443)
- Jack Vinson - Matt Hastings (ep120)
- Jack Willis - Stan Fletcher (ep255)
- Jacob Pitts - John Telford (ep215)
- Jacqueline Anderson - Mrs. Zachary (ep311)
- Jacqueline Antaramian - Donna Grimaldi (ep213)
- Jacqueline Brookes - Judge Grace Larkin (ep4)
- Jacques Smith - Louis Johnson (ep222)
- Jade Yorker - Anthony "Psycho" Harrison (ep338)
- Jaime McAdams - Greg Loomis (ep363)
- Jaime Sánchez - Mr. Cristobal (ep52)
- James Biberi - Reynolds (ep157), Detective #2 (ep247), Stewart (ep312), Chief of Detectives Laird
- James Colby - Corrections Officer Atwood (ep189), Bobby Campbell (ep260), New Jersey Police Officer (ep418)
- James Earl Jones - Horace McCoy (ep70)
- James Georgiades - Mr. Marsh (ep145), Off. Patrick Flannery (ep222)
- James Handy - Mr. Wheeler (ep158)
- James Hanlon - Officer Charlie Curran (ep236)
- James Hiroyuki Liao - Bobby Ito (ep323)
- James Le Gros - Dwight Jacobs (ep350)
- James McDaniel - Michael Ingrams (ep17)
- James Murtaugh - Dr. Jenner (ep55), Dr. Farnsworth (ep113), Seymour Bergreen (ep142), Carter Newton (ep181), Judge Samuel Sorotsky (ep416)
- James Naughton - Barry Taggert (ep131)
- James Noble - Judge Nelson Kurland (ep27)
- James Ransone - Michael Wayland (ep372)
- James Rebhorn - Albert Lawrence Cheney (ep38), Charles Garnett, Dr. Horace Garrison (ep402)
- James Shanklin - Attorney John Davis (ep249)
- James Sutorius - Peter Colson (ep43)
- James Villemaire - Harvey (ep301)
- Jamie Goodwin - George Ashman (ep288)
- Jamie Harrold - Grant Carpenter (ep432)
- Jamie Tirelli - CSU Technician Rivera (ep12)
- Jan Leslie Harding - Judy Marino (ep108)
- Jan Maxwell - Dr. Nancy Haas (ep89), Mrs. Sarah Talbert (ep159), Marian Reger (ep231), Judge Ruth Alexander (ep308)
- Jan Miner - Edna Hodge (ep77)
- Jan Munroe - Father Galva (ep158)
- Jana Robbins - Asst. US Attorney Jean Piccone (ep313), Bella (ep445)
- Jane Alexander - Regina Mulroney (ep219)
- Jane Elliot - State Attorney General Isabel Shore (ep246)
- Jane Hoffman - Jane Rosebrock (ep97)
- Jane Kaczmarek - Janet Rudman (ep80)
- Janeane Garofalo - Greta Heiss (eps149, 151)
- Janet Zarish - Caroline Milius (ep287)
- January Jones - Kim Brody (ep400)
- Jason Antoon - Attorney Hogenbaum (ep368)
- Jason Butler Harner - Reverend Nathan Reeves (ep425)
- Jason Cerbone - Bruce Tipton (ep448)
- Jason Jones - Len Pewls (ep429), Len Pewls (ep443)
- Jason Jurman - Jordan Pinter (ep448)
- Jason Kolotouros - Dr. Sanders (ep231)
- Jason Kravits - Attorney Baron (ep445)
- Jason Ritter - Nick Simms (ep241)
- Jay O. Sanders - Bill Fallon/Nick Taska (ep200), Alan Fenwick (ep285)
- Jay Patterson - Conn. ADA Jack O'Connell (ep38), Charles Heckstrom (ep223), Maxie (ep306)
- Jaymie Dornan - John Carroll (ep378)
- Jayne Atkinson - Dr. Claire Snyder (ep273), Defense Attorney Hammond (ep347), Melanie Carver (ep399)
- JD Cullum - Bob (ep416)
- Jean-Claude La Marre - Francis Murphy (ep126)
- Jean De Baer - Laura Bergreen (ep142)
- Jean LeClerc - Dr. Martin Alvarez (ep221)
- Jean Louisa Kelly - Coral Galvin (ep187)
- Jeanne Ruskin - Alice Marsdale (ep120), Connerys' Attorney (ep182)
- Jeff Brooks - Victor Colby (ep206)
- Jeff Edgerton - Kent Quigley (ep261)
- Jeff Gendelman - Mitchell Koblin (ep46)
- Jeff Joseph - Fire Marshal Woods (ep388)
- Jeff McCarthy - Mitchell Brizzard (ep208)
- Jeff Talbott - Judge Herbert Warren (ep409)
- Jeff Williams - Lieutenant Kenny Edwards (ep139)
- Jefferson Mays - Attorney Olson (ep421)
- Jeffrey D. Sams - Evan Grant (eps149-150)
- Jeffrey DeMunn - Defense Attorney Professor Norman Rothenberg
- Jeffrey Donovan - Eddie Nicodos (ep115), Jacob Reese (ep388)
- Jeffrey Tambor - Judge Barry Dilwynn (ep393)
- Jena Malone - Michelle Landon (ep414)
- Jenna Stern - ADA Toni Ricci (ep204), Kathy Teller (ep306), Trial Judge Linda Taft (eps442, 450)
- Jennifer Bill - Cathy Briscoe
- Jennifer Esposito - Gina Tucci (ep137), Justine Bailey (ep378)
- Jennifer Garner - Jaime (ep134)
- Jennifer Mudge - Sue Martin (ep428)
- Jennifer Server - Female Witness (ep145)
- Jennifer Van Dyck - Shelly Conners (ep82), Jill Perry (ep140), Morgana Palmer (eps202, 267), Dr. Elaine Clemens (ep368)
- Jenny Bacon - Officer Marissa Hastings (ep198)
- Jenny O'Hara - Carol Janssen (ep58)
- Jenny Robertson - Jolene Curtis (ep7), Robin Shepherd (ep144)
- Jere Shea - Mr. Goldman (ep144)
- Jeremy Allen White - Andy Steel (ep398)
- Jeremy Davidson - Sean Russo (ep202), Luke Campbell (ep260), Rob Purcell (ep380)
- Jeremy Sisto - Clint Glover (ep393)
- Jeremy Webb - Devin Bradley (ep332), Lucas Evra (ep440)
- Jerry Adler - Judge Nathan Marks (ep136)
- Jerry Grayson - Mike (ep134), Richie Zwick (ep230), Mr. Halprin (ep281)
- Jerry Mayer - Defense Attorney Greenwald (ep170)
- Jerry Orbach - Defense Attorney Frank Lehrman (ep24)
- Jerry Stiller - Michael Tobis (ep41), Sam Pokras (ep141)
- Jess Weixler - Carrie Newton (ep448)
- Jessalyn Gilsig - Angela Burquette (ep362)
- Jesse Corti - Angel Suarez (ep3), Alex Nunez (ep76)
- Jesse Doran - Robert Falco (ep143), Eddie Dow (ep194), Police Commissioner's Aide (ep219), Arthur King (ep272)
- Jesse J. Perez - David (ep240), Harry (ep436)
- Jesse Tendler - Matthew Brant Jr. (ep162)
- Jessica Hecht - Miriam Johnson (ep419)
- Jessica Stone - Randy Colwyn's Attorney (ep453)
- Jessica Walter - Anna Kopell (ep98)
- Jill Clayburgh - Sheila Atkins (ep173)
- Jill Eikenberry - Irene Matson (ep428)
- Jim Bracchitta - Margo Grayson's Attorney (ep196), Jerold Specter (ep207), Defense Attorney Jason Goidell (eps336, 352)
- Jim Gaffigan - George Rozakis (ep185), Larry Johnson (ep437)
- Jim True-Frost - Bruce Elwin (ep348), Dennis Langdon/Phil Newsom (ep400)
- Jimmie Ray Weeks - George Harris (ep43)
- Joan Copeland - Trial Judge Rebecca Stein
- Joan MacIntosh - Mrs. Blanchard (ep99)
- Joanna Adler - Amber Woods (ep267), Defense Attorney Barbara Speight (eps436, 455)
- Joanna Going - Dana Bauer (ep264)
- Joanna Merlin - Carla Bowman (eps43, 63), Defense Attorney Deirdre Powell
- Joanne Camp - Librarian (ep203)
- Jodie Markell - Sondra Benton (ep148), Daphne Hitchens (ep307), Lorraine Flockhart (ep433)
- Joe Grifasi - Ezra Gould (ep30), Defense Attorney James Linde
- Joe Hickey - Attorney Willens (ep410)
- Joe Latimore - Ricky Crimmins (ep189)
- Joe Lisi - Chris Minetti (eps52, 175)
- Joe Mantello - Philip Marco (ep180)
- Joe Maruzzo - Sal Bonafiglio (ep234), Glenn Edwards (ep260), Lieutenant Sullivan (ep369)
- Joe Morton - Roland Books (ep46), Defense Attorney Leon Chiles
- Joe Piscopo - Jeff Stahl (ep202), Art Cahill (ep259), Jarret Whitestone (ep333)
- Joe Seneca - Lionel Jackson (ep70)
- Joel Marsh Garland - Ralph Carson (ep254), Mickey Scertza (ep387)
- Joel Polis - Dr. Joel Friedman (ep36)
- Joelle Carter - Donna Richland (ep131)
- Johann Carlo - Mrs. Jeffrey Zabner (ep144)
- John Aylward - Reverend Harlan Dwyer (ep353)
- John Bedford Lloyd - Jonathan Ryder (ep36), Dr. Christian Varick (ep140), Prentiss's Lawyer (ep357)
- John Benjamin Hickey - Charles Thatcher (ep170), Defense Attorney Aaron Solomon
- John Berg - Dr. Zev Weiss (ep185)
- John Bolger - Mark Knapp (ep270), Don Sorenson (ep436)
- John Boyd - Kenny Ellis (ep377)
- John C. Vennema - Dr. Stephen Prescott (ep104)
- John Capodice - Bernie - Store Owner (ep8)
- John Carter - L.A. Superior Court Judge J. Van Ness (ep150), Judge Harlan Newfield (ep215, 253)
- John Christopher Jones - Dennis Shearer (ep22), Raymond Maxwell (ep179)
- John Costelloe - Colin Parnell (ep230)
- John Cullum - Harold Dorning (ep145), Bernard Powell, Sr. (ep257)
- John Cunningham - Cobb (ep33), Donald Walsh (ep62), Max Weston (ep90), Defense Attorney Daniel Metzler, Mr. Crowley (ep203)
- John Doe - Teddy Connor (ep306)
- John Doman - Sgt. Frank Gottlieb (ep153), Mr. Stephens (ep190), Howard Ridgeway (ep295), Jim Gilles (ep399)
- John Dossett - Frank Wellington (ep195), Father Evans (ep264), Judge Martin Schnell (ep352)
- John Driver - A.U.S.A. Bob Gervits (eps183, 202)
- John Ellison Conlee - 'Crazy' Mike McDugan (ep145)
- John Finn - Freddo Parisi (ep8)
- John Griesemer - Raffi Lorraine (ep231)
- John Heard - Mitch Burke (ep87), Walter Grobman (ep208)
- John Hickok - Dr. Lyle Semenko (ep177)
- John MacKay - Michael Sutter (ep102), Mr. Mason (ep137), Internal Affairs Detective (ep183)
- John McMartin - Larry Webber (eps36, 71), Mr. Hagaman (ep199), Ron Grayson (ep369), Julian Hayworth (ep443)
- John Mese - Jason Corley (ep359)
- John Michael Bolger - Detective (ep210), Kenneth Daniels (ep322)
- John Ortiz - Victor Vargas (ep399)
- John Pankow - Charles Meadow (ep49), A.D.A. Josh Lethem (ep401)
- John Procaccino - Joe Sutter (ep177)
- John Ramsey - Judge Walter Schreiber
- John Rich - Judge Richard Tabachini (ep201)
- John Rothman - Steven Strelzik (ep288), Expert Witness (ep446)
- John Rubinstein - Mr. Thurber (ep362)
- John Schuck - Stefan Havel (ep258)
- John Scurti - Judge Anton Vittelli (ep404)
- John Seitz - Principal Babcock (ep9)
- John Sharian - George Darvey (ep425)
- John Shea - John David Myers (ep305), Dr. Isaac Waxman (ep404)
- John Slattery - Arlen Levitt (ep180), Dr. Richard Shipman (ep228)
- John Spencer - Howard Morton (ep1)
- John Speredakos - William T. Ottenberg (ep160), A.U.S.A. Schlicter (ep456)
- John Terry - Sherman Loomis (ep363)
- John Ventimiglia - Nick Capetti (ep112), Officer Frank Dietrick (ep183), Defense Attorney Dibbens (eps426, 452)
- John Viscardi - Anthony "Biscuits" Biscotti (ep320), Detective Henry Paulson (ep375)
- John Wojda - Gary Kilpatrick (ep173)
- Johnathan Tchaikovsky - Harlan Barnes (ep358)
- Jon Abrahams - Roscoe (ep179)
- Jon Budinoff - Sammy Mireles (ep301)
- Jon Cypher - Jerome Kamen (ep99), Harlan Graham (ep224)
- Jon DeVries - Doug Gaylin (ep170)
- Jon Korkes - Attorney for Burt Malone (ep226)
- Jon Patrick Walker - Mr. Godwin (ep414)
- Jon Sklaroff - Rick Jordan (ep259)
- Jonathan Cake - Defense Attorney Marcus Woll (eps440, 442)
- Jonathan Hadary - Alex Petrovich (ep19)
- Jonathan Hogan - John Curren (ep97), Mr. Latimer (ep191), Dr. Ellis Heinz (ep298)
- Jonathan LaPaglia - Frank Russo (ep171)
- Jonathan Walker - Dr. Mark Danforth (ep118), Stuart Arlen (ep344)
- Jordan Charney - Dr. Mandell (ep34), Trial Judge Donald Karan
- Jordan Clarke - Mr. Parker (ep103)
- Jordan Gelber - Teague's Attorney (ep277), David (ep434)
- José Pérez - Roberto Diaz (ep32)
- José Soto - Kiki Morales (ep240)
- José Zúñiga - Rudy Amendariz (ep49), Detective Mark Rivera (ep184), Christoff (ep333), Detective Borough Investigator (ep378)
- Josef Sommer - Judge Lawrence Hellman (ep139), Defense Attorney Patrick Rumsey (ep219)
- Joseph Adams - Ben Rollins (ep376)
- Joseph Cross - Will Shea (ep340)
- Joseph Hindy - Phil Bauer (ep216)
- Joseph LaRocca - Tom (ep256)
- Joseph Lyle Taylor - Davey Buckley (ep349)
- Joseph Murphy - Vince Brandt (ep207), Gary Phillips (ep273), Ed McClean (ep327)
- Joseph Ragno - Fratelli's Defense Attorney (ep183), Federico Righetti (ep313)
- Joseph Siravo - Stan Kaminsky (ep166), Man (ep235)
- Joseph Urla - Defense Attorney Werner (ep35)
- Joseph Wiseman - Seymour Bergreen (ep142)
- Josh Hamilton - Attorney Reardon (ep412)
- Josh Hopkins - Ken Soames (ep129)
- Josh Mostel - Harvey Anchin (ep297)
- Josh Pais - Defense Attorney Mosely (ep429)
- Josh Stamberg - Martin Stanley (ep285)
- Josh Weinstein - Caleb Shore (ep41)
- Joshua Harto - Peter Stymons (ep191)
- Joyce Ebert - Mrs. Hendricks (ep73)
- Joyce Gordon - Trial Judge Lisa Holt (eps200, 224)
- Joyce Reehling - Eleanor Harding (ep27), Mildred Kaskel (eps83, 90), Lt. Commander Coleman (ep160)
- Joyce Van Patten - Ramona Stark/Ph.D. (ep55)
- Juan Carlos Hernández - Tony Garcia (ep265)
- Jude Ciccolella - Morgan (ep36), Captain Dennis Burnett (ep94), Allen Sherick (ep150)
- Judith Blazer - Peter Williams' Attorney (ep220), Carla Perazzo (ep300)
- Judith Hawking - Judge Noreen Morrison
- Judith Roberts - Judge Schepps (ep230)
- Judson Mills - Stephen Shaw (ep79)
- Judy Kuhn - Beth Prentiss/Ladies' Room Witness (ep169)
- Judy Reyes - Maria Barragon (ep39)
- Julia Gibson - Selma Flanagan (ep342), Nora Lasky (ep421)
- Julia Murney - Lisa Quinlann (ep391)
- Julia Roberts - Katrina Ludlow (ep201)
- Julian Gamble - Ladder Company 66 Chief (ep315)
- Julianna Margulies - Lieutenant Ruth Mendoza (ep61)
- Julianne Nicholson - Jessie Lucas (ep248)
- Julie Benz - Dawn Sterling (ep385)
- Julie Boyd - Eileen Willick (ep95), Sandra Telford (ep215), Sharon Lehman (ep451)
- Julie Dretzin - Laura Bauer (ep77)
- Julie Halston - Ms. Lapinsky (ep179)
- Julie Nathanson - Katherine Rainer (ep195)
- Julito McCullum - Calvin Stokes (ep450)
- Justin Hagan - Frank Dresner (ep409)
- Kaitlin Hopkins - Cahill's Attorney (ep397)
- Kaiulani Lee - Nancy Driscoll (ep27), Mrs. Goddard (ep242)
- Kamar de los Reyes - Aberto Moretti (ep343)
- Karen Allen - Judith Sandler (ep138)
- Karen Lynn Gorney - Iris Corman (ep40)
- Karen Shallo - Linda Santoro (ep121)
- Karen Williams - Mrs. Lucy Williams (ep84)
- Karen Young - Cassie Rickman (ep130), Leslie Cooper (ep271), Ms. Milford (ep371), Mrs. Sachs (ep446)
- Karen Ziemba - Detective Tarvis (ep188)
- Kat Foster - Justine (ep359)
- Kate Burton - Sister Bettina (ep39), Defense Attorney Erica Gardner
- Kate Hodge - Attorney Prescott (ep382), Serena Kensey (ep443)
- Kate Jennings Grant - Kate Pierce (ep253)
- Kate Miller - Defense Attorney Madeline Meyers (ep385)
- Kate Skinner - Wilderman (ep179), Carol Ley (ep261), Madeline Stocker (ep405)
- Kate Walsh - Lt. Kirstin Blair (ep160)
- Katee Sackhoff - Dianne Cary (ep416)
- Katherine Borowitz - Defense Attorney Marjorie "Marge" Larson (eps106, 156)
- Katherine Moennig - Melissa Cobin (ep256)
- Katheryn Winnick - Sarah Shipley (ep411)
- Kathleen Chalfant - Defense Attorney Lisa Cutler (eps242, 305), Arraignment Judge Lisa Cutler (ep423)
- Kathleen Garrett - Judge Susan Moretti
- Kathleen McNenny - Mrs. Sanderson (ep201)
- Kathleen Turner - Rebecca Shane (ep363)
- Kathleen Widdoes - Judge Childers (ep195)
- Kathrine Narducci - Mrs. Louisa D'Angelo (ep83), Vicky Grant (ep172)
- Kathryn Hays - Gloria Blumberg (ep214)
- Kathryn Meisle - Susan Young (ep168)
- Kathy Baker - Camille Peterson (ep452)
- Katy Selverstone - Emily Shore (ep219), Marielle's Attorney (ep455)
- Keir Dullea - Paul Lyman (ep238), Andrew Keener (ep365)
- Keith Carradine - Martin Garvik (ep427)
- Keith Charles - William E. Cooke (ep101)
- Keith David - John Robertson (ep245)
- Keith Hernandez - Drew Harding (ep84)
- Keith Nobbs - Sgt. George Meacham (ep309)
- Keith Szarabajka - Harry Sibelius (ep54), Neil Gorton (eps149-151)
- Kelli Williams - Maggie Corson (ep39)
- Kellie Overbey - Kellie Overbey (ep280)
- Kelly Bishop - Marian Borland (ep42)
- Kelly Deadmon - Nicole Temple (ep332), Lexi Trudeau (ep440)
- Kelly Hutchinson - Lydia Neville (ep387), Jen Nelson (ep432)
- Kelly Karbacz - Jenny Snyder (ep273)
- Kelly Neal - Willie Tivnan (ep5), Lucian Bryan (ep59)
- Ken Garito - Kevin Russo (ep241)
- Ken Leung - Forensic Technician Chung (ep100, 115), Stephen Wong (ep226), Tommy Wong (ep286)
- Ken Marks - Michael Sarno (ep236)
- Ken Welsh - Ben O'Dell (ep176)
- Kenneth Tigar - Dr. Stanback (ep27), Dr. Sheldon Saperstein (ep365)
- Kent Broadhurst - Dr. Creighton (ep68), Harry Stokley (ep164)
- Kent Williams - Hank Coburn (ep157)
- Kenya Brome - Keisha Sipes (ep370)
- Kerry O'Malley - Millie Sheridan Bender (ep194)
- Kerry Washington - Allie Lawrence (ep262)
- Kevin Carroll - Ray Manning (ep398)
- Kevin Conway - Lieutenant John Flynn (ep139)
- Kevin Cooney - Geoffrey Donovan (ep12)
- Kevin Corrigan - Ronny Aldridge (ep426)
- Kevin Daniels - Chris Cody (ep243)
- Kevin Dunn - Arnie MacLaren (ep346)
- Kevin Geer - Brian Egan (ep124), Mr. Evans (ep446)
- Kevin Isola - George Peavey (ep239)
- Kevin J. O'Connor - Patrick McCarter (ep20)
- Kevin L. Walker - Jerome (ep419)
- Kevin O'Rourke - Kevin Donovan (ep12), Marty Willick (ep95), Deputy District Attorney Jerry Weiss (ep150), Det. O'Malley (ep212), Defense Attorney Stan Malloy
- Kevin Rankin - Dean Emerson (ep396)
- Kevin Smith - Tony's Wife's Nephew (ep222)
- Khrystyne Haje - Elaine Blanchard (ep304)
- Kim Hamilton - Judge Vivian Jackson (ep36), Marcella Klein (ep121)
- Kim Raver - Wendy Karmel (ep133)
- Kim Shaw - Nicole Flynn (ep379)
- Kip Niven - Dan Rudman (ep80)
- Kirk Acevedo - Richie Morales (ep139)
- Kit Flanagan - Joan Zinns (ep108), Judge Evelyn Greico (ep226)
- Kristin Griffith - Clara Brock (ep103), Brenda Lucas (ep249), Dr. Martha Landry (ep408)
- Kurt Deutsch - Peter Kelly (ep203)
- Lacey Kohl - Susan Fallon (ep200)
- Laila Robins - Diana Hawthorne (ep123), Liann Crosby (ep188)
- Lamman Rucker - Reggie Uggams (ep341)
- Lance Reddick - Captain Maru Gasana (ep257), FBI Special Agent Jamal Atkinson (ep315)
- Lara Flynn Boyle - Dawn Talley (ep405)
- Lara Harris - Susan Grayson (ep421)
- Larry Bryggman - Defense Attorney Rowan (ep260)
- Larry Joshua - McCarter (ep39), Frank Leahy (ep274)
- Larry Keith - Henry Rothman (ep10), Francis Dunlap (eps49, 138), Car Owner (ep410)
- Larry Miller - Michael Dobson (eps90, 126), Larry Miller (ep301)
- Larry Pine - Edward St. John (ep97), Dr. Jacob Weiss (ep197)
- Laura Esterman - Evelyn Walcoff (ep213)
- Laura Interval - June Doherty (ep404)
- Laura-Leigh - Alicia Carson (ep422)
- Laura Linney - Martha Bowen (ep91)
- Lauren Ambrose - Maureen McKinnon (ep72), Valerie Maxwell (ep179)
- Lauren Graham - Lisa Lundquist
- Lauren Hodges - Tina Keith (ep364)
- Lauren Klein - Trial Judge Carla Solomon (ep207)
- Lauren Vélez - Ms. Torres (ep211)
- Laurence Luckinbill - Cyrus Weaver (ep47)
- Laurie Kennedy - Barbara Donovan (ep12)
- Laurie Williams - Paula Turco (ep372)
- Lawrence Arancio - Ian Rankin (ep135), Dr. Matthew Allison (ep310)
- Lawrence Nathanson - Mr. Osborne (ep191)
- Lawrence Pressman - Professor Wesley Burke (ep62), Nicholas Burke (ep73), Dr. Alan Colter (ep107)
- Lee Brock - Donna Corbin (ep125), Miss Strickland (ep217)
- Lee Bryant - Mrs. Campbell (ep138), Patricia Harris (ep227)
- Lee Richardson - Defense Attorney Mike Le Claire (eps15-16)
- Lee Shepherd - Defense Attorney Barry Kaufer
- Lee Tergesen - Attorney Heller (ep352)
- Lee Wallace - Judge Thomas Simon (ep42)
- Lee Wilkof - Jack Epstein (ep19), Dr. Alvin Sabloff (ep120), Defense Attorney Eric Berner (eps228, 320), Judge Jack Margel (eps432, 452)
- LeLand Gantt - FBI Agent Jeff Washington (ep250)
- Len Cariou - Captain Allard Bunker (ep61), Mac Geller (ep134), Edgar Beezley (ep411)
- Lenka Peterson - Olivia (ep34), Ann Schoenberg (ep138)
- Lenny Venito - Detective Wade (ep260), Sonny King (ep321)
- Lenore Harris - Mrs. Chuikov (ep204)
- Leo Burmester - Lester Hastings (eps78, 277), Mr. Le Clair (ep124)
- Leon Russom - Gordon Bryce (ep66)
- Leonardo Cimino - Costello (ep121), Tommy Balducci (ep218)
- Leslie Ayvazian - Priscilla Lempert (ep98), Mrs. Karmel (ep133), Trial Judge Susan Valdera (ep409)
- Leslie Denniston - Mrs. Prescott (ep104), Lenore Kiley (ep174), Elizabeth Dumas (ep256)
- Leslie Hendrix - M.E. Dr. Elizabeth Rodgers
- Leslie Lyles - Tennis Coach (ep87)
- Lewis Stadlen - Eli Schwab (ep19)
- Liam Aiken - Tory Quinlann (ep391)
- Liana Pai - Carolyne Trang (ep157)
- Lily Rabe - Andrea Wheaton (ep452)
- Linda Emond - Laura Cochran (ep127), Carolyn Tyler (ep218), Rosalie Helton (ep345)
- Linda Thorson - Martha Taylor (ep258)
- Lindsay Crouse - Dr. Diane Meade (ep58), Judge Denise Grobman (ep208), Judge Deidre Hellstrom (ep350)
- Lisa Bostnar - Elizabeth Waring (ep182), Martha Stebbins (ep448)
- Lisa Eichhorn - Mary Kostrinski (ep53), Arnette Fenady (ep86), Arlene Galvin (ep187), M.E. Gail Berardi (ep293)
- Lisa Emery - Katrina Van Brocklen (ep32), Alice Huntley (ep97), Gwen Graham (ep224), Meg Lafferty (ep299), Attorney Weller (ep424)
- Lisa Joyce - Kelly Daugherty (ep403), Megan Tanner (ep434)
- Lisa LoCicero - Janeane Darnell (ep152)
- Lisa Louise Langford - Marjorie Gordon (ep94)
- Lisa Ryall - Tina McManus (ep35)
- Lisa Vidal - Lena Armendariz (ep49)
- Lisa Zane - Sophia Keener (ep365)
- LisaGay Hamilton - Denise Johnson (ep109)
- Lisby Larson - Susan Merriman (ep122)
- Liz Larsen - Ms. Corrado (ep392)
- Liza Colón-Zayas - Luisa (ep337)
- Liza Lapira - Cheryl Treadwell (ep243)
- Lizbeth Mackay - Pamela Maser (ep37), Park West Physician (ep171), Miriam Ridgeway (ep295)
- Logan Marshall-Green - Kyle Mellors (ep319)
- Lois Smith - Eunice Varick (ep347)
- Lonny Price - Dr. Lieber (ep21), Frank Hoover (ep52)
- Lori Tan Chinn - SEC Investigator (ep227)
- Lorraine Toussaint - Defense Attorney Shambala Green
- Lou Liberatore - Dale Brody (ep164)
- Louis Cancelmi - Malcolm Yates (ep384)
- Louis Guss - Yost (ep13), Vincent Carpenara (ep202)
- Louis Vanaria - Todd Dawson (ep387)
- Louis Zorich - Judge Milton Erdheim (ep9), Judge Edgar Hynes (ep115)
- Louise Sorel - Marcy Fletcher Wrightman (ep135)
- Luba Mason - Jocelyn Brandt (ep207)
- Lucie Arnaz - Jackie Scott (ep292)
- Lucinda Jenney - Renee Bishop (ep314)
- Lucy Deakins - Julia Wood (ep69)
- Luis Antonio Ramos - Tommy Beltran (ep47)
- Luis Guzmán - Cesar Pescador (ep32)
- Luke Kirby - Bobby Amato (ep433)
- Luke Reilly - Father Gregory (ep47), Henry H. Harp (ep153), Darryl Grady Jr. (ep192), Mr. Howell (ep366)
- Lycia Naff - Mimi Sternhagen (ep26)
- Lynda Carter - Lorraine Dillon (ep351)
- Lynn Cohen - Judge Elizabeth Mizener
- Lynne Thigpen - Trial Judge Ida Boucher
- M. Neko Parham - Trey Wiles (ep231)
- Mackenzie Mauzy - Carly Di Gravia (ep424)
- Mädchen Amick - Alissa Goodwyn (ep374)
- Maddie Corman - Melissa Slater (ep203), Elaine Bowman (ep358)
- Madeline Blue - Tara Padden (ep207)
- Madeleine Martin - Emma Waxman (ep404)
- Mady Kaplan - Carole Spiegelman (ep56)
- Maggie Burke - Miss Ridley (ep176), Trial Judge Elayne Link (ep260)
- Maggie Lacey - Ms. Matson (ep428)
- Maggie Low - Eleanor Taska (ep200)
- Maggie Siff - Attorney Mahaffey (ep402)
- Mags Chernock - Christina Talbert (ep159)
- Malachi Throne - Judge Real (ep17)
- Malcolm Gets - Lance Keys (ep71)
- Malik Yoba - Pat Williams (ep84)
- Mandy Patinkin - Levi "The Griffin" March/Glenn Fordyce (ep290)
- Manny Perez - Ricardo Alvarez (ep440)
- Marcella Lowery - Van Buren's Attorney (ep94)
- Marcia Jean Kurtz - Carla Lowenstein (ep9), Myrna Bauer (ep216), Carla Lowenstein (ep336)
- Marcy Harriell - Marcy Harriell (ep165)
- Margaret Colin - Mary Markson (ep450)
- Margaret Gibson - Debby Corrio (ep67)
- Maria Dizzia - Sugar/Melinda Whitman (ep403)
- Maria Tucci - Defense Attorney Helen Brolin
- Marian Seldes - Suzanne (ep27)
- Marianne Hagan - Theresa Copeland (ep185)
- Marie Masters - Mary Cushman (ep79)
- Mariel Hemingway - Ashley Jones (ep382)
- Marilyn Chris - Mary Perella (ep93), Mrs. Capetti (ep112)
- Marilyn Cooper - Ida Abel (ep81)
- Marilyn Rockafellow - Elizabeth Blaine (ep25), Mrs. Whatney (ep145), Mrs. Blake (ep175)
- Marin Hinkle - Leslie Russo (ep171), Debbie Mason (ep228), Attorney Novelle (ep437)
- Marin Ireland - Mila Hames Lingard (ep394)
- Mario Quinonez Jr. - Rafa Alvarez (ep440)
- Mario Van Peebles - Attorney Carsley (ep387)
- Marion Killinger - Roland Kirk (ep68)
- Marisa Redanty - Principal (ep251), Judge Karen Gilner (eps440, 447)
- Marisa Ryan - Stacey Ranson (ep344), Woman with Drink (ep395)
- Marissa Chibas - Christina Costas (ep51)
- Marita Geraghty - Rebecca Byrne (ep4)
- Marjan Neshat - Yasmin Soleimani (ep324), Diane Khalaby (ep375)
- Marjorie Monaghan - Cathy (ep10)
- Mark Bateman - Alan Sawyer (ep140)
- Mark Blum - Frank Lazar (ep60, 186), Michael Aronson (ep103), Expert Doctor (ep438)
- Mark Feuerstein - Eric Speicher (ep360)
- Mark Ivanir - Nicolas Brezin (ep390)
- Mark Jacoby - Douglas Stark (ep174), Mr. Milford (ep270)
- Mark Joy - L.A.P.D. Detective (eps149-150)
- Mark Kenneth Smaltz - Grady (ep73), Kurtz (ep92), Elias Bunch (ep147), Judge William Koehler
- Mark Linn-Baker - Tom Wilder (ep202), Dr. Vincent Balicheck (ep453)
- Mark Margolis - George Lobrano (ep52), Bronson (ep144), Frankie "Threads" Polito (ep256)
- Mark Mineart - Officer Carlson (ep183)
- Mark Nelson - Julius Reinhard (ep227), Dr. Stuart Barton (ep331), Symposium Organizer (ep451)
- Mark Pinter - Raymond Quinn (ep214)
- Mark Tymchyshyn - Chip Rafferty (ep74)
- Mark Zeisler - Richard Kovax (ep120), Dr. Seth Bernstein (ep192), Peter Rubin (ep315)
- Marlyne Afflack - Alana Sinclair (ep340), Defense Attorney Bocanegra (ep387, 403)
- Marsha Dietlein - Nicole Hampton (ep199)
- Martin Donovan - Robert White (ep365)
- Mary Alice - Virginia Bryan (ep59)
- Mary Beth Hurt - Sela Dixon (ep128), Judge Gillian Berrow (ep429)
- Mary-Joan Negro - Julie Atkinson (ep29), Susan Forrest/Rita Levitan (ep93)
- Mary Kay Adams - Nancy Alvarez (ep221)
- Mary Mara - Sally Knight (ep56), Ms. Sharkey (ep207)
- Maryann Plunkett - Joanne Ellis (ep132), Lois Sutter (ep177), Mrs. Weldon (ep267)
- Maryann Urbano - Mrs. Adler (ep48), Mrs. Russell (ep102), Hamida Wazir (ep167)
- Matt Hofherr - Nick Jarmon (ep19)
- Matt Keeslar - Dennis Pollock (ep188)
- Matt Malloy - Ned Lasky (ep421)
- Matt Mulhern - Off. Pete Bennett (ep233), Chief Baranek (ep401)
- Matt Servitto - Jordan Grimaldi (ep213), U.S. Attorney Horvath (eps427, 450)
- Matte Osian - James Buckley (ep349)
- Matthew Arkin - Corey Kaufman (ep244), Chad's Attorney (ep422)
- Matthew Bennett - Andrew Hampton (ep199)
- Matthew Cowles - Christian "Lemonhead" Tatum (ep26)
- Matthew Del Negro - Vinny (ep313), Peter Fetzer (ep392)
- Matthew Sussman - Attorney for Arthur Rigg (ep169), Martin Felder's Assistant (ep210), Dr. Jerome Raleigh (ep248)
- Maura Tierney - Patricia "Patti" Blaine (ep25)
- Maureen Anderman - Sharon Styger (ep35), Gayle Janaway (ep163)
- Maureen Moore - Judith Grayson (ep122)
- Maureen Mueller - Melanie Kaufman (ep244)
- Maury Ginsberg - Marvin Field (ep405)
- Max Baker - Clive Raymond (ep331)
- Max Ligosh - Ryan Velardi (ep215)
- Maz Jobrani - Asher Koutal (ep324)
- Meg Gibson - Faye Wellington (ep195), Trial Judge Edith Milbanks (ep374)
- Meg Mundy - Helen Ralston (ep5), Harriet Keenan (ep146)
- Megan Follows - Megan Parnell (ep230)
- Megan Gallagher - Monica Devries (ep14)
- Melanie Rey - Mrs. Galvez (ep168)
- Melinda Mullins - Chris Chappel (ep105)
- Melissa Errico - Lindsay Tucker (ep292)
- Melissa Leo - Alice Sutton (ep67), Sherri Quinn (ep254), Donna Cheponis (ep410)
- Melvin Rodriguez - Bill Crawford (ep196)
- Mercedes Renard - Julia Veloso (ep381)
- Mercedes Ruehl - Zina Rybakov (ep334), Judge Clara Lloyd (ep420)
- Meredith Scott Lynn - Corrine Sussman (ep66)
- Merritt Wever - Jennifer Taylor (ep278), Sunshine Porter (ep344)
- Mia Dillon - Elaine Anderton Lawlor (ep166), Patricia Semple (ep251)
- Michael Aronov - Karl Rostov (ep390), Alex Arshavin (ep422)
- Michael B. Silver - U.S. Attorney Raymond Berman (ep283)
- Michael Badalucco - David Zifrin (ep60)
- Michael Beach - Mr. Elliot (ep109)
- Michael Berresse - Mr. Gardner (ep434)
- Michael Bloomberg - Himself (eps320, 326)
- Michael Boatman - Defense Attorney Dave Seavern (eps298, 382)
- Michael Bunin - Marty Ashcroft (ep455)
- Michael C. Williams - Jimmy Beltran (ep217)
- Michael Constantine - Dan Barnett (ep37), Joshua Berger (ep85)
- Michael Countryman - Dr. Joseph Stern (ep25), Howard Grant (ep367), Dr. Charles Price (ep441)
- Michael Crane - Colin Burke (ep435)
- Michael Cumpsty - Tom Willis (ep191)
- Michael David Lally - Paul Wheeler (ep229)
- Michael Dolan - Ensign Evan Walters (ep61), Keith Coleman (ep119)
- Michael Durrell - Attorney Hilburne (ep161)
- Michael Esper - David Sutton (A.K.A. David Garvik; ep427)
- Michael Gaston - Ron Fletcher (ep143), Mr. Delany (ep197), Major Jim Wyman (ep247), Pete Gardner (ep426)
- Michael Genet - Warren Shenkler (ep375), Franklin Slater (ep399)
- Michael Gross - Carl Braddock (ep221)
- Michael Hannon - Officer Gil Sawchuck (ep183)
- Michael Harney - Lieutenant Stu Miller (eps149-150)
- Michael Hayden - Henri Girard (ep257), Attorney Carvey (ep353)
- Michael Higgins - Thad Messimer (ep29), Darryl Grady (ep192)
- Michael Hobbs - Pat Conners (ep247)
- Michael Hyatt - Elan Holt (ep222), Defense Attorney Julia Shinnear (ep342)
- Michael Imperiola - Johnny Stivers (ep129)
- Michael Ingram - Mulvehill (ep22), Officer Andy Libik (ep53)
- Michael J. Burg - Richard Sanders (ep248)
- Michael Jayce - Otis Cooke (ep46)
- Michael Kelly - Gary Talbot (ep415)
- Michael Kenneth Williams - Delmore Walton (ep165), Marcus Cole (ep243), Charles Cole (ep436)
- Michael Leydon Campbell - Eric Shollar (ep261)
- Michael Lombard - Miller (ep48), Robert Mallors (ep147)
- Michael Louis Wells - Defense Attorney Matthew "Kevin" Clemens (ep348)
- Michael Mantell - Edward Kay (ep17), Morris Hoffman (ep79)
- Michael Maronna - Tagger/Dale Kershaw (ep158)
- Michael Mastro - Thomas Kravitz (ep187)
- Michael McCormick - Dietrick's Attorney (ep183), Nicky Avakian's Attorney (ep276), Judge Mark Brannigan (ep418)
- Michael McGuire - Nicholas Teller (ep55)
- Michael McKean - Elias Grace (ep223), Bill Nolan (ep394)
- Michael Medeiros - Matthew O'Dell (ep176), Defense Attorney Stewart Griffin (ep309)
- Michael Mulheren - Judge Harrison Taylor
- Michael Murphy - Nolan Tinsdale (ep255)
- Michael Nouri - Dr. Donald Cosgrove (ep161)
- Michael O'Hare - Roy Lawlor (ep166), Mr. Tobin, Victim's Father (ep222)
- Michael O'Keefe - Cally Lonegan/Professor Donald Lonegan (ep250)
- Michael Ornstein - Eugene Miller (ep226)
- Michael Potts - Reggie Dobbs (ep143), Lester Wilkes (ep357), Defense Attorney Malcolm Young (eps391, 450)
- Michael Rispolt - Johnny DeMayo (ep171), Pete Haynes (ep413)
- Michael Rooker - Jamie Yost (ep402)
- Michael Showalter - Allen Gee (ep230), Artie Kramer (ep437)
- Michael Shulman - Kevin Miller (ep251), Maxwell Cavanaugh (ep442)
- Michael Stuhlbarg - Timothy Pace (ep408)
- Michael Tolan - Norman Ackerman (ep26)
- Michael Tucker - Quentin (ep346), Terrence Putney (ep359), Nelson Lehman (ep451)
- Michael Weaver - Brad Hurley (ep227)
- Michael William Connors - Det. Ronnie Blair (ep235)
- Michael Willis - Father Carney (ep119), Richard Peterson (ep138), Mr. Declan (ep395)
- Michael Winters - Mr. Clayborn (ep226)
- Michael Zaslow - Willard Tappan (ep97), Ben Hollings (eps149, 151)
- Michele Pawk - Donna Marks (ep50), Marjorie Weiler (ep424), Attorney Marks (ep451)
- Michelle Hurd - Angela Roney (ep143)
- Michelle Hurst - Pizza Lady (ep181)
- Miguel Sandoval - Dr. Miguel Clemente (ep203)
- Mike Hodge - Trial Judge Delano Burns (eps14, 235)
- Mike Pniewski - Assistant Medical Examiner Cooper (ep286), Randall Stoller (ep342), Dr. Petravian (ep392)
- Mike Starr - Pollard (ep33), Steven Breck (ep109)
- Mimi Lieber - Defense Attorney Wendy Weiss
- Miriam Colón - Mrs. Anna Rivers (ep18)
- Missy Yager - Lisa Hallenbeck (ep214)
- Mitchell Lichtenstein - Joe Gibb (ep111), Eddie Chandler (ep170)
- Moira Kelly - Katherine Donovan (ep404)
- Molly Price - Amy Newhouse (ep28), Quartermaster Stroud (ep160), Allison Ashburn (ep364)
- Molly Regan - Mrs. Regan (ep241), Margot Dalton (ep305)
- Monica Keena - Corey Russell (ep102)
- Monique Fowler - Megan Connery (ep182), Miss Ames (ep265), Attorney Strawn (ep434)
- Morgan Weisser - Leon Iliescu (ep64)
- Murphy Guyer - Jeffrey Brandt (ep45), Mr. Weber (ep206), Defense Attorney Leslie Stanton (ep241), Cass Holliman (ep347)
- Mustafa Shakir - Preston Hubbard (ep330)
- Myra Lucretia Taylor - Lillie Sands (ep355)
- Nada Rowand - Dr. Margaret Slavin (ep95)
- Nadia Dajani - Ellie Harper (ep376)
- Nan-Lynn Nelson - Cassie (ep13)
- Nancy Marchand - Mrs. Barbara Ryder (ep36)
- Nancy Opel - Henkel (ep126), Doctor (ep434)
- Nancy Ticotin - Miss Gomez (ep59), Club Bahia Hostess (ep139)
- Natalia Negoda - Irina Cooper (ep76)
- Nathan J. Wetherington - Jason Vega (ep259)
- Navid Negahban - Imam Ibrahim (ep375)
- Neal Huff - Dennis Trope (ep206), Steven Smith (ep389), Attorney Weller (ep402)
- Neal Jones - Mr. Flynn (ep178)
- Ned Beatty - Judge Malcolm Reynolds (ep418)
- Ned Eisenberg - Defense Attorney James Granick
- Nehemiah Persoff - David Steinmetz (ep57)
- Neil Maffin - Attorney Curry (ep210)
- Nelson Vasquez - Omar Pinella (ep205)
- Nestor Serrano - Alec Conroy (ep246), D.A. Juan Delgado (ep403)
- Nick Chinlund - Barry Peck (ep230), Frank Elliott (ep309)
- Nick Sandow - Pete Pogosian (ep141), Bail Agent Andy Grenada (ep194)
- Nicki Aycox - Kate Westwood (ep408)
- Nicky Katt - Isaac "Iced Out Ike" Krantz (ep389)
- Nicolas Coster - Morgan Stern (ep23), Reid Mullen (ep68)
- Nicolas Surovy - David Alcott (ep28)
- Nina Lisandrello - Belinda Alvarez (ep437)
- Noah Fleiss - Denny Cannon (ep270)
- Noel Wilson - Jake Arnold (ep237)
- Noelle Beck - Stephanie Mulroney (ep219)
- Noelle Parker - Andrea Fermi (ep30)
- Nora Dunn - Rosalie Schaffner (ep374)
- Norman Rose - Edmonds (ep19)
- Novella Nelson - Judge Gloria Crutcher (ep11), Mrs. Washington (ep118)
- Olek Krupa - Sasha Osinski (ep19), Constantin Volsky (eps204-205)
- Olga Merediz - Rosaria Mendez (ep21), Martha Gonzales (ep55), Judge Louise Castillo (ep146), Elena Calderon (ep229), Arraignment Judge Allard Harper (eps400, 431)
- Olivia Birkelund - Joan Stillman (ep101), Darlene Sorenson (ep436)
- Olivia Crocicchia - Sophie Winslow (ep314)
- Omar Rodríguez - Victor Soto (ep274)
- Omar Sharif Scroggins - Luther Heywood (ep85), Zack Rowland (ep94), Jamel (ep235), Matt Carton (ep281), Momo (ep413)
- Oni Faida Lampley - Janet Thomas (ep293)
- Opal Alladin - Trina Fleming (ep189)
- Oren J. Sofer - Austin Posner (ep155)
- Otto Sanchez - Det. Hector Diaz (ep233), Reynaldo Celaya (ep300), Westside Express Employee (ep422)
- P.J. Brown - George Burk (ep173)
- Pablo Schreiber - Kevin Boatman (ep366), Sean Hauser (ep412)
- Paloma Guzmán - Chanel Barva (ep411)
- Pamela Gray - Lucy Sullivan (ep136)
- Pamela Isaacs - Mrs. Michaels (ep183)
- Pamela Payton-Wright - Katherine McKinnon (ep72), Vivian McBride (ep195)
- Pat McNamara - Defense Attorney Molloy (ep12), Ron Borland (ep42)
- Patricia Charbonneau - Janet Naiman (ep276)
- Patricia Clarkson - Laura Winthrop (ep7)
- Patricia Dunnock - Eleanor (ep230)
- Patrick Breen - Andrew Gellis (ep130), Defense Attorney Kevin Hobart (eps282, 314)
- Patrick Collins - Ned Hughes (ep72), Douglas Kendrick (ep220), Dennis Mendenhall (ep319)
- Patrick Stump - Marty Dressler (ep395)
- Patti D'Arbanville - Betty Drake (ep49)
- Patti LuPone - Ruth Miller (eps133, 160)
- Paul Anthony Stewart - Bobby Gold (ep378)
- Paul Austin - Ron Tabachnik (ep315)
- Paul Benjamin - Lonnie Jackson (ep307)
- Paul Butler - Judge Tyler B. Ashford (ep12), Judge Edmond Francis (ep50)
- Paul Calderon - Father Torres (ep18), Rodriguez (ep63), Jesse Castillo (ep181), Palmieri (ep240), Kenneth Silva (ep316)
- Paul Collins - Roger Easton (ep72)
- Paul Dawson - Derek Harland (ep191)
- Paul Dillon - Eddie Clayman (ep203)
- Paul Diomede - Paul Kasperski (ep256)
- Paul Fitzgerald - Ron Drexler (ep345)
- Paul Guilfoyle - Anthony Scalisi (ep6)
- Paul Hecht - Defense Attorney Ballard (ep12), Dr. Alexander J. Merritt (ep50), Dr. Dan Duvall (eps149-151), Mr. Deliasa (ep209), Lorraine's Ex-Husband (ep351)
- Paul Lieber - Jimmy Burke (ep156)
- Paul McCrane - James Lee Pawl (ep60)
- Paul Regina - Det. Tony Renado (ep226)
- Paul Roebling - Dr. James Reberty (ep21)
- Paul Schulze - Det. Pete Milligan (ep346), Mr. Kralik (ep456)
- Paul Sparer - Dr. Edward Auster (ep1)
- Paula Devicq - Miranda Shea (ep340)
- Paxton Whitehead - Fenwick (ep20)
- Pedro Pascal - Tito Cabassa (ep403)
- Pee Wee Love - Jerome Weathers (ep222)
- Peggy Roeder - Margaret Pauly (ep93), Helene Beltran (ep217)
- Penny Balfour - Carol Gibbons (ep238)
- Penny Fuller - Mrs. Joyce Pollock (ep188)
- Penny Johnson Jerald - Ms. Booker (ep364)
- Peter Appel - Krakow (ep290), Sturges (ep431)
- Peter Bradbury - Walter Bird (ep353)
- Peter Davies - Mr. Harrison (ep211)
- Peter Facinelli - Shane Sutter (ep102)
- Peter Francis James - Trial Judge John Laramie
- Peter Frechette - John 'Jack' R. Curry (ep3), Peter Nicodos (ep115), Jim Wheeler (ep289)
- Peter Friedman - Professor William Goodwin (ep93), Harold Jensen (ep275), Nolan Farber (ep423)
- Peter Gerety - Charles Powell (eps111, 206), Dean Connors (ep291)
- Peter Greene - Francis 'Taz' Partell (ep245)
- Peter Hermann - Al Goran (ep223)
- Peter Jacobson - Defense Attorney Randolph J. "Randy" Dworkin, Esq. (eps288, 303)
- Peter Jay Fernandez - Mr. Tyrell (ep157), Matthew Coulter (ep253)
- Peter Maloney - Lab Technician (ep62), Father Paul (ep264)
- Peter McRobbie - Manager (ep21), John Ennis (ep53), Herbert Fowler (ep99), Dr. Thomas Neustadt (ep180), Trial Judge Walter Bradley
- Peter Riegert - Jerold Dixon (ep128)
- Peter Scanavino - Jim Anderson (ep435)
- Peter Strauss - Dr. Paul Cedars (ep329)
- Peter Van Wagner - Stan Feldman (ep76), Jonathan Freeman (ep131), Attorney for Pacheco (ep189), Jim Harris (ep227)
- Philip Bosco - Defense Attorney Gordon Schell, Mr. Dobbs (ep172), Lee Jerrold (ep198)
- Philip Casnoff - Bill Talbot (ep272)
- Philip Goodwin - Alan Bresler (ep213), Dr. Russell Toomey (ep329)
- Phoebe Jonas - Jeannine Wilson (ep304)
- Phyllis Yvonne Stickney - Miss Lee (ep59)
- Pippa Pearthree - Trial Judge Esther Morrow (eps187, 216)
- Polly Adams - Monica Sutter (ep102), Arraignment Judge Ida Zeller (ep441)
- Poncho Hodges - Silas Inwood (ep341)
- Portia - Pamela Henson (ep368)
- Priscilla Lopez - Sally Packard (ep4)
- Quentin Mare - Nick Zona (ep352)
- Rafael Báez - Luis Cruz (ep126), Oscar Benvenidez (ep184)
- Ralph Bell - Judge Jenklaw (ep35)
- Ralph Byers - Mr. Kiley (ep174)
- Ralph Williams - Dean Kirkwood (ep117)
- Ramsey Faragallah - Mr. Tobak (ep167), Samir Hamed (ep450)
- Randle Mell - Max Weiss (ep82), Aaron Blum (ep140)
- Randy Danson - Defense Attorney Diane Manso (ep14), Delores Hartman (ep105), Susan Powers (ep242)
- Randy Graff - Dr. Martha Kershan (ep21), Hillary Morton (ep275), Helen DeVries (ep346)
- Raúl Esparza - Dennis Di Palma (ep445)
- Ray Abruzzo - Paul Raimondo (ep321)
- Ray Anthony Thomas - George Bell (ep124), Owen Stokes (ep181), Brian Gallant (ep231)
- Ray Aranha - Dr. Henry "Papa Doc" Doinel (ep84), Judge (ep213)
- Raymond J. Barry - Robert Dolan (ep352)
- Reathel Bean - Judge Allen Denham (ep196)
- Rebecca Creskoff - Charlotte Wexman (ep190), Veronica Masters (ep446)
- Rebecca Nelson - Mrs. Skinner (ep215)
- Rebecca Schull - Mrs. Whitman (ep229)
- Reed Birney - Malcolm Barclay (ep43), Attorney for Archdiocese (ep158), Dr. Everett Brown (ep451)
- Reed Diamond - Christopher Baylor (ep28), Mr. Klein (ep354)
- Reedy Gibbs - Todd's Assistant (ep399)
- Reg E. Cathey - Gerald (ep312)
- Reg Rogers - Jason Bregman (ep78), Edgar Varick (ep347), Joshua Felner (ep455)
- Regina Taylor - Sarah Maslin (ep96)
- Reiko Aylesworth - Tiffany Sherman (ep154)
- Reizl Bozyk - Mrs. Liebmann (ep57)
- Remak Ramsay - Ambassador Peter Sarno (ep236)
- Remy Auberjonois - Dr. Evan Fleming (ep376), Bill Murphy (ep435)
- René Augesen - Sonja Harlann (ep156)
- René Ifrah - Alex Chambers (ep390), Sid Maxwell (ep439)
- Renee Props - Victoria Lewis (ep141)
- Reuben Jackson - Lt. Lopez (ep160), Brian Kellogg (ep303)
- Reynaldo Rosales - Kevin Seleeby (ep285)
- Reynaldo Valentin - Freddie Colon (ep363)
- Reza Salazar - Julio Rodriguez (ep386)
- Rich Sommer - Mike Scholl (ep384), Zach Marshall (ep441)
- Richard Barboza - Flaco Ochoa (ep211)
- Richard Bekins - Mr. Landon (ep278), Basketball Commissioner (ep341), Roger Weil (ep453)
- Richard Bright - Albert Boxer (ep40), Mr. Quinn (ep71), Victim's Former Police Captain (ep148)
- Richard Council - Alex Iliescu (ep64), John Law (ep163), Claude Hays (ep218)
- Richard Cox - Steven Gregg (ep56)
- Richard Habersham - Abel Richardson (ep8)
- Richard Hamilton - Ed Conover (ep29), CPO James Hagen (ep61), James 'Jimmy the Pin' Poulos (ep140)
- Richard Joseph Paul - Perry Graham (ep224), FBI Special Agent (ep411)
- Richard Levine - Judge Steven Strelzik (ep43)
- Richard Libertini - Vince (ep84), David Solomon (ep101), Bernie Sklar (ep202)
- Richard Masur - Judge Andrew Wolinsky (ep210)
- Richard Poe - Forensic Scientist (ep5), Mac Bernum (ep148)
- Richard Sheridan Willis - Neal Freedman (ep338)
- Richard Thomas - Roger Jenkins (ep438)
- Richard Topol - Arnie Gleason (ep303)
- Richard Venture - Defense Attorney Douglas Greer
- Ritchie Coster - Jorgan Stern (ep232), Mark Bruner (ep302), Kevin Almonte (ep371)
- Rob Campbell - Gary Bergan (Boss; ep279), Dargerville A.D.A. Silber (ep416)
- Rob Corddry - Jim Leary (ep439)
- Rob Devaney - Dave Sugarman (ep379)
- Rob McElhenney - Joey Timon (ep158)
- Robert Cicchini - Gerald Austin (ep71)
- Robert Clohessy - Defense Attorney Painter (ep179), Robert Telford (ep215), Kenny Peluso (ep345), Fire Chief (ep430)
- Robert Emmet Lunney - Bill Semple (ep251), Miles Schaffner (ep374)
- Robert Fields - Mario Zalta (eps15-16)
- Robert Foxworth - Professor Charles Evans (ep155), Dr. Frederick Barrett (ep305)
- Robert Funaro - Quintana (ep245)
- Robert G. McKay - Mr. Johnson (ep222)
- Robert Harper - John St. John (ep190)
- Robert Hogan - Patrick Monahan (ep32), Ted Parker (ep81), Agent Carlin (ep143), Capt. Walder (ep192), Judge Albert Scholl (ep254), Trial Judge Hugo Bright
- Robert Iler - Chad Klein (ep422)
- Robert John Burke - Arthur "Buzz" Palley (ep105), FBI Agent Ron Innes (ep250), Lt. Colonel Milton Danbury (ep326)
- Robert Joy - Leo Barnett (ep111), Louis Dutton (ep175)
- Robert Katims - Jacob Bloom (ep54)
- Robert Klein - Rick Mason (ep67)
- Robert Knepper - Igor Smith (ep113)
- Robert Lansing - COO Peter O'Farrell (ep22)
- Robert LuPone - Mark Branson (eps194, 268)
- Robert Milli - Roger Cleary (ep48)
- Robert Sella - Tony Conneca (ep128), Colin Reese (ep329)
- Robert Silver - Axelrod (ep20)
- Robert Stanton - Jacob Sutter (ep161), Tim Grayson (ep296), Douglas Preston (ep373)
- Robert Turano - Sgt. McAllen (ep198), Detective Novoselic (eps344, 348)
- Robert Vaughn - Carl Anderton
- Roberta Maxwell - Teresa Brewster (ep216)
- Roberta Wallach - Michele Selig
- Robin Groves - Judge Joanne Franklin (ep180)
- Robin Lord Taylor - Jared Weston (ep344), Dale (ep410), Cedric Stuber (ep449)
- Robin Thomas - Connecticut Governor Michael Riordan (ep332)
- Robin Weigert - Leanne Parks (ep296), Catherine Douglas (ep453)
- Rocco Sisto - Joseph Turner (ep40), Brendan Hall (ep172), Jamie Astangura (ep283)
- Rochelle Oliver - Trial Judge Grace Larkin (ep172)
- Roger Rees - Wyatt Scofield (ep297)
- Roger Serbagi - Trial Judge Robert Quinn
- Roma Maffia - Defense Attorney Vanessa Galiano
- Ron Canada - Mr. Fuller (ep397)
- Ron Cephas Jones - Frank Doyle (ep130), Roland Books (ep143)
- Ron Foster - Councilman Clayton (ep193)
- Ron Frazier - Trial Judge Aldo Ianello
- Ron Leibman - Mark Paul Kopell (ep98), Barry Nathanson (ep236)
- Ron McLarty - Scoler (ep26), Trial Judge William Wright, Librarian (ep410)
- Ron Nakahara - Dr. Tong (ep239)
- Ron Orbach - Max Hellman
- Ron Rifkin - Defense Attorney Phillip Nevins (ep1), Alex Drakos (ep51)
- Ron Silver - Defense Attorney Bernie Adler (eps326, 384)
- Ronald Guttman - Farber (ep6), Assistant Italian Consul (ep213), Carl Reger (ep232)
- Rosa Arredondo - Juanita Stratton (ep429)
- Rosanna DeSoto - Mrs. Ortega (ep52)
- Roscoe Lee Browne - Sir Idris Balewa (ep54), Aaron Miller (ep307)
- Rosemary De Angelis - Sally Goldman (ep52), Judge Beth Krieger (ep133)
- Rosemary Murphy - Mrs. Catherine Messimer (ep29)
- Ross Bickell - Ross Bickell (ep184)
- Ross Partridge - Gibson (ep245)
- Roxanna Hope - Angela Gusmarino (ep331), Rachel Munroe (ep397)
- Roxanne Hart - Janet Ralston (ep5), Judge Linda Karlin (ep252)
- Roy Thinnes - D.A. Alfred Wentworth (ep6), Victor Panatti (ep157), Mr. Kushner (ep192)
- Ruben Santiago-Hudson - Mr. Gaines (ep11), Detective Brian Keene (ep94), Defense Attorney Winters, Dr. Paul Jackson (ep307)
- Rudy Giuliani - Himself (ep230)
- Rue McClanahan - Lois McIntyre (ep423)
- Russell G. Jones - Raymond "Ray-Ray" Davis (ep183)
- Rutanya Alda - Sara Cheney (ep38), Ruth Devon (ep413)
- Ruthie Henshall - P.K. Todd (ep218)
- Ryan Homchick - Jay Hurley (ep227)
- S. Epatha Merkerson - Mrs. Denise Winters (ep17)
- Sada Thompson - Elaine Nicodos (ep115)
- Sakina Jaffrey - Dr. Balikrishan (ep230), Roya Koutal (ep324)
- Sal Cavaliere - Pete Verona (ep245)
- Sam Coppola - US Federal Judge Vance (ep315)
- Sam Freed - Kent Meeker (ep36), Dr. Bill Rudnick (ep197), Tom Baker (ep369)
- Sam Gray - Judge Manuel Leon, Judge Francis Chabot (ep66)
- Sam Groom - Larry Teasdale (ep35), Frank Nelson (ep110), Claymore (ep208)
- Sam Huntington - Terry Lawlor (ep166)
- Sam Robards - Daniel Hendricks (ep73), Davis Webb (ep444)
- Sam Rockwell - Weddeker (ep65)
- Sam Schacht - Louis Bell (ep113), Nathan Becker (ep234)
- Samantha Bee - Vanessa Carville (ep445)
- Samrat Chakrabarti - Hydar Raheem (ep335)
- Samuel Ball - Peter Williams (ep220)
- Samuel E. Wright - Jerome Osborn (ep94), Dubois (ep143), Morris Stokely (ep221)
- Samuel L. Jackson - Louis Taggert (ep14)
- Sandra Reaves-Phillips - Mrs. Thelma Crawford (ep11)
- Sandy Baron - Mike Lucia (ep14)
- Sandy Duncan - Defense Attorney Michelle "Shelly" Kates (ep117)
- Sanjit De Silva - Ali Mohammed (ep386)
- Santo Fazio - Gene Burdick (ep242)
- Sara Botsford - Diane Posner (ep155)
- Sarah Paulson - Maggie Conner (ep92)
- Sarah Ramos - Mary Reese (ep388)
- Sarah Steele - Katie White (ep365)
- Sarita Choudhury - Nadira Harrington (ep326)
- Saul Rubinek - Ira Simpkis (ep294)
- Saundra Santiago - Sandra Alvaro (ep52), Mariela Silva (ep316)
- Scarlett Lam - Mei Lin (ep226)
- Scott Bryce - Steven Tashjian (ep146), Steve Taylor (ep343), Otto Bradshaw (ep443)
- Scott Cohen - Eddie Newman (eps149-151)
- Scott Lawrence - Michael Walters (ep125)
- Scott Nicolai Sowers - Jimmy McGowan (ep252)
- Scott Sowers - Billy Doyle (ep74), Stewart Waller (ep108), Joe Kirby (ep141), Samuel Temple (ep402), Hank Di Gravia (ep424)
- Scott William Winters - Timmy Serco (ep403)
- Scott Wilson - Ben Chaney (ep347)
- Scotty Bloch - Judge Naomi Baum (ep45), Mrs. Ganz (ep146)
- Sean Astin - Pastor Hensley (ep406)
- Sean Cullen - Gene Marchetti (ep308), Matthew Lortell (ep406)
- Sean Mahan - Jonas Faulkner (ep386)
- Sean Nelson - Steven "Four Strike" Foreman (ep338), Van Buren's Son (eps436, 440)
- Sebastian Roché - Clarence "C Square" Carmichael (ep69), Ken Taylor (ep212)
- Sebastian Stan - Justin Capshaw (ep299)
- Seth Barrish - Harvey Bauer (ep216)
- Seth Gilliam - Babatunde Amoda (ep54), Michael's Attorney (ep454)
- Shae D'lyn - Dory (ep83)
- Shamika Cotton - Mrs. Dolan (ep447)
- Shana Dowdeswell - Karen Johnson (ep419)
- Sharon Martin - Megan Maslin (ep117)
- Shawn Elliott - Ramone Buenaventura (ep52), Trial Judge Joseph Rivera, Judge Dominic Santos (ep153)
- Shawn Hatosy - Chester Manning (ep127)
- Sheila Tousey - Mrs. Vilardi (ep107)
- Sherman Howard - Carlton Radford's Attorney (ep205), Judge Josiah Bell (ep396)
- Sherry Stringfield - Carly (ep418)
- Shirley Knight - Melanie Cullen (ep24)
- Sig Libowitz - Defense Attorney Stan Shatenstein (eps158, 340)
- Skipp Sudduth - Henry 'Hank' Chappel (ep105), IAB Detective (ep139), Officer Cass (ep198)
- Slava Schoot - Russian (ep204)
- Sonia Braga - Helen (ep294)
- Spencer Breslin - Nicholas Waring (ep182)
- Spencer Garrett - Defense Attorney Stephen Olson
- Stacey Leigh Ivey - Wendy Naughton (ep190), Brenda Warren (ep260)
- Stacey Moseley - Korey Burke (ep87)
- Stanley Anderson - Jerry Manley (ep28), Nelson Lambert (ep294)
- Stephanie Roth Haberle - Defense Co-Counsel Miss Kelly (ep219), Gloria Rhodes (ep355)
- Stephanie Sanditz - Amber (ep244)
- Stephen Barker Turner - Nick Vance (ep209)
- Stephen Beach - Bob Palmer (ep328), Prelutsky (ep456)
- Stephen Bogardus - Dr. Peter Michaels (ep197), Jim Dittmar (ep271), Austin (ep441)
- Stephen DeRosa - Al Festov (ep194), Stan Loomis (ep321)
- Stephen Elliott - Judge Neil Markham (ep18), Dr. Hogan (ep63)
- Stephen Gevedon - Russell Lowery (ep175)
- Stephen James - Les Savitt (ep79)
- Stephen Joyce - Jack Gaffney (ep34)
- Stephen Kunken - Harold Foley (ep421)
- Stephen Lang - Terry Dorn (ep357)
- Stephen Mailer - Greg Jarmon (ep19)
- Stephen McHattie - Joe Pilefsky (eps15-16)
- Stephen McKinley Henderson - Judge Marc Kramer, Judge Gerald Mowat (ep152)
- Stephen Mendillo - Leon Prosky (ep68), Lt. Jeffrey London (ep136), Joshua Burdett (ep164)
- Stephen Peabody - Attorney (ep242)
- Stephen Pearlman - Leonard Willis (ep42), Dr. Leon Mayer (ep169)
- Stephen Schnetzer - Dr. Freeman (ep297), Mitchell Lowell (ep367)
- Stephen Shellen - Steve Martell (ep92)
- Stephen Singer - David Pence (ep105), Defense Attorney Baum (ep171), Rafael Kessler (ep232), Larry Levine (ep332), Nathan Vick (ep427)
- Stephen Spinella - Andy Polone (ep227)
- Stephi Lineburg - Wendy Sylvester (ep86), Fiona Reid/Marguerite Sampson/Lorelei Savage (ep279), Stella (ep449)
- Steve Harris - Joey "Dogs" Lang (ep84), Calvin Tiller (ep105)
- Steve Landesberg - Howard Cahill (ep167)
- Steve Mellor - Mr. Fetzer (ep176)
- Steve Monés - César Ordóñez (ep219)
- Steve Rankin - Frank Kemp (ep35)
- Steve Ryan - Brooklyn ADA Fleishman (ep38), Sid Fisher (ep67)
- Steven Rishard - Ray Burrows (ep263)
- Steven Keats - Defense Attorney George Zuckert (eps15-16), George Zuckert (ep63)
- Steven Marcus - Nick Stoller (ep306)
- Steven Ogg - Mark Vee (ep225)
- Steven R. Schirripa - Frederico "Books" Libretti (ep320)
- Steven Randazzo - Mr. Rienzi (ep196), Pete Squiri (ep321)
- Stevie Ray Dallimore - Bradley Hagen (ep282)
- Stewart J. Zully - Scully (ep108)
- Stivi Paskoski - John Cook (ep63), Travis Jones (ep280), Charles Bell (ep450)
- Stuart Burney - Parisi's Attorney (ep8), Prosky's Lawyer (ep68), Joostens (ep154)
- Sue Cremin - Sylvia Standish (ep399)
- Susan Blackwell - Lydia Fernands (ep266)
- Susan Blommaert - Judge Rebecca Steinman
- Susan Floyd - Andrea Blake (ep175), Defense Attorney Jessica Sheets
- Susan Kelechi Watson - Thea Curry (ep433)
- Susan Kellermann - Jeannie Stokes (ep228)
- Susan May Pratt - Leslie Crowell (ep174)
- Susan Misner - Samantha Weaver (ep381)
- Susan Wands - Sara Jobson (ep343)
- Susie Essman - Veronica Reynolds (ep321)
- Suzanne Costallos - Mrs. Wheeler (ep158)
- Suzette Gunn - Det. Luisa Valenzuela (ep330)
- Sylva Kelegian - Margo Grayson (ep196)
- T. Scott Cunningham - Brett Nelson (ep195), Cary Stillman (ep313)
- Talia Balsam - Turner (ep54), Teri Marks (ep121)
- Tamara Tunie - Caroline Bennett (ep141)
- Tammy Blanchard - Dana Silva (ep451)
- Tanya Berezin - Trial Judge Rosalyn Lenz, Trial Judge Janine Pate (eps63, 112)
- Teagle F. Bougere - Defense Attorney Nelson (ep338)
- Ted Kazanoff - Trial Judge Daniel Scarletti
- Ted Sorel - Stuart Melnick (ep73)
- Teri Lamm - Cheryl Grant (ep367)
- Terrence Mann - Oyler (ep239), Defense Attorney Oyler (ep357)
- Terri Garber - Mrs. Carroll (ep378)
- Terry Kinney - Clifford Chester (ep398)
- Terry L. Beaver - Defense Attorney Manning (eps204-205)
- Terry Serpico - Frank Miller (ep277)
- Tessa Auberjonois - Karen Drucker (ep249)
- Tessa Ghylin - Amy Beltran (ep217)
- Thaddeus Daniels - Leon Purcell (ep195), Sergeant Lawrence (ep284), Attorney Matthews (ep389)
- Theodore Bikel - Sol Bregman (ep78)
- Theresa Merritt - Ruth Titus (ep153)
- Thom Christopher - Dr. Bertram Stokes (ep228), Alferandi Dilmanian (ep324)
- Thom Sesma - Mark Considine (ep181)
- Thomas Calabro - Ned Loomis (ep4)
- Thomas G. Waites - Capt. Lewis Webber (ep233), Burton Fenster (ep347), David Drucker (ep396)
- Thomas Guiry - Kevin Stanton (ep184), Ryan Emerson (ep396)
- Thomas James O'Leary - Dr. Karl Breitel (ep246)
- Thomas Kopache - Sam Drucker (ep17), Defense Attorney Boden (ep92)
- Thomas Sadoski - Robert Barnes (ep358)
- Thuliso Dingwall - Patrick Johnson (ep419)
- Tim Guinee - Mark Landry/Richard Morristonm (ep238)
- Tim Hopper - Mr. Wiley (ep111)
- Tim Kelleher - Forensics Tech (ep395)
- Tim Peper - Chris Drake (ep379)
- Tim Ransom - Defense Attorney Andrew Maynard (eps113, 281), Detective Andy Sullivan (ep139)
- Timmy Reifsnyder - Henry Semple (ep251)
- Timothy Adams - Attorney Tindell (ep381)
- Timothy Busfield - Ray Backlund (ep448)
- Timothy Carhart - Warren Abbott (ep180)
- Timothy Landfield - Ron Weber (ep127)
- Timothy Wheeler - Milton Stillman (ep113), Mickey Bastone (ep267)
- Tina Benko - Sharon Quaid (ep360), Carrie Sands (ep439)
- Titus Welliver - Bill Whitney (ep377)
- Todd Gearhart - Attorney Rosenthal (ep378)
- Todd Weeks - New Paltz Mayor Jonas Carpentino (ep332), Dr. William Suria (ep406), Robby's Attorney (ep448)
- Tom Aldredge - Retired Props Clerk (ep236)
- Tom Bower - Whitten (ep261)
- Tom Berenger - Dean Tyler (ep218)
- Tom Everett Scott - Charles Wilson (ep72), Governor Donald Shalvoy
- Tom Galantich - Joe Chappell
- Tom Gilroy - Eric Johnson (ep419)
- Tom Kemp - Lieutenant Donner (ep423)
- Tom Mardirosian - Brian Doxsee (ep17), Joe Tashjian (ep41), Mr. Butler (ep183), Mr. Stubelski (ep220), Nicky Avakian (ep276), Trial Judge Keith Fischer (ep330)
- Tom Mason - Ian Maser (ep37), Carlton Radford (ep205), Defense Attorney Matt Wolchesky (eps295, 333)
- Tom McCarthy - Donald Housman (ep282), John Conlan (ep395)
- Tom O'Rourke - Defense Attorney Peter Behrens
- Tom Riis Farrell - Scott Hexter (ep83), Bud (ep134), Howard Philips/Dr. Paul Sackett (ep144), Attorney Marks (ep419)
- Tom Signorelli - Anthony Holland (ep3), Mr. Merrick (ep130)
- Tom Spackman - Mr. Kaiser (ep115)
- Tom Stechschulte - Trial Judge Harold Rockwell (eps121, 182)
- Tom Tammi - Mr. Gaines (ep112), Dr. Steven Janaway (ep163), FBI Agent Frank Gilliam (ep257)
- Tom Wiggin - Ross Sanders (ep178)
- Tomas Milian - Colonel Emilio Pantoya (ep229)
- Tommy Hollis - Ed Monroe (ep137)
- Tony Campisi - Lieutenant Brody (ep401), Grand Jury Foreman (ep456)
- Tony Darrow - Joey Giabone (ep126), Bobby "Bobby Vig" Vignerelli (ep283)
- Tony Hale - Phillip Shoemaker (ep451)
- Tony Lo Bianco - Marc Menaker (ep40), Sal DiMarco (ep145), Det. Mike Foster (ep280)
- Tony Roberts - Lucas Pollard (ep25), Nicholas Bennett (ep89), Paul Redfield (ep173), Senator Bryce Peterson (ep452)
- Tony Todd - Reverend Ott (ep85)
- Tony Torn - Dr. Voss (ep421)
- Tonya Pinkins - Angela Young (ep370)
- Tovah Feldshuh - Defense Attorney Danielle Melnick
- Tracey Ellis - Nurse Miriam Gregg (ep50)
- Traci Godfrey - Ms. Pistone (ep245)
- Tracy Spindler - Alexis Fallon (ep200)
- Tracy Thorne - Joyce Draper (ep336)
- Tresa Hughes - Mrs. Doris Keegan (ep29), Mrs. Sugarman (ep81), May Peavey (ep239)
- Trey Wilson - Defense Attorney Eddie Cosmatos (ep6)
- Tricia Paoluccio - Maxine Walden (ep239), Jeannie Scott (ep356)
- Tristan Wilds - Will Manning (ep398)
- Tsidii Le Loka - Mrs. N'Dabe (ep248)
- Ty Burrell - Paul Donatelli (ep231), Herman Capshaw (ep299)
- Tzi Ma - Li Chen (ep286)
- V. Craig Heidenreich - Burt Malone (ep226), General Mark Halston (ep255)
- Val Avery - Dan Magadan Sr. (ep23), Max Schaeffer (ep141)
- Valentina DeAngelis - Katie Conlan (ep395)
- Vanessa Aspillaga - Miss Guzman (ep240)
- Vanessa Ferlito - Tina Montoya (ep291)
- Veanne Cox - Ms. Barsett (ep425)
- Vera Farmiga - Lindsay Carson (ep169)
- Victor Anthony - Nestor Salazar (ep240)
- Victor Argo - Jose Tirado (ep40), Enrique Flores (ep146)
- Victor Arnold - David Kaufer (ep31)
- Victor Campos - Domingo Guerra (ep32)
- Victor Colicchio - Reggie Mathis (ep184)
- Victor Garber - Paul Sandig (ep114)
- Victor Raider-Wexler - Harold Morton (ep17), Defense Attorney Wheeler (ep92)
- Victor Slezak - Steven Green (ep88), Jeffery Arbaugh (ep142), Philip Andrews (ep231)
- Victor Steinbach - Dr. Andre Kostov (ep182)
- Victor Verhaeghe - Frank Stoll (ep356), Detective Rendel (ep448)
- Victoria Clark - Detective (ep184)
- Victoria Dillard - Belinda Gardner (ep325)
- Vincent Curatola - Joey Dantoni, Sr. (ep221)
- Vincent Guastaferro - Bob Cerullo (ep361)
- Vincent Laresca - Feo Ruiz (ep328)
- Vincent Pastore - John Furini (ep98), Jimmy Pogosian (ep141)
- Vincent Piazza - Peter Harris (ep392)
- Viveca Lindfors - Helga Holtz (ep71)
- Vivica A. Fox - Kate Tenny (ep417)
- Vivienne Benesch - Lori Franklin (ep140)
- Vondie Curtis-Hall - Dr. Andrew Copelan (ep368)
- Vyto Ruginis - Dan Magadan Jr. (ep23), Shep Watson (ep78), William Wachtler (ep320), Attorney Depago (ep376)
- Walter Bobbie - Fred Drake (ep49), Michael Garrison (ep209)
- Wayne Duvall - Ronnie Gibbons (ep316), Trial Judge Norman Barclay
- Wayne Wilcox - Justin "J-Train" Smolka (ep372)
- Welker White - Marla Rubinoff (ep130), Ms. Caldwell (ep191), Miss Aronson (ep233), Ms. Aaronson (ep244), Family Court Judge (ep453)
- Wendell Pierce - Chief Ola-Gimju Nwaka (ep54), Jerome Bryant (ep101), Mr. Wade (ep196), Roger Porter (ep330)
- Wendie Malick - Ms. Dressler (ep343)
- Wendy Hoopes - Denise Clark (ep350)
- Wendy Makkena - NYPD Officer Nicki Sandoval (ep13), Janet Weston (ep269)
- Wendy Moniz - Arlene Tarrington (ep356)
- Wendy Radford - Miss Fahey (ep26)
- Werner Klemperer - William Unger (ep34)
- Wil Horneff - Chris Pollit (ep75), Greg Landen/Mousah Salim (ep278)
- Will Chase - Mellors' Record Company Partner (ep319), Derek Cahill (ep397)
- Will Denton - Jason Lortell (ep406)
- Will Janowitz - Cal (ep432)
- Will Lyman - Victor Conner (ep92)
- Will Rogers - Mr. Keegan (ep439)
- Will Yun Lee - Hiroji Yoshida (ep323)
- William Atherton - Don Snyder (ep273), Dan Jensen (ep319)
- William Carden - Arthur Tunney (ep70)
- William H. Kunstler - William Kunstler (ep93)
- William H. Macy - AUSA John McCormack (ep6), Jack Powell (ep39)
- William Hill - Kusevitsky (ep181), Beltran's Lawyer (ep217), Defense Attorney Kusevitsky (ep258), Eddie O'Connor (ep415)
- William Prince - Dwight Corcoran (ep44)
- William Sadler - Kevin Drucker (ep354)
- William Severs - Judge Henry Fillmore (ep177)
- Xander Berkeley - Clay Pollack (ep339)
- Yul Vazquez - Attorney from DA's Office (ep240)
- Zach Chapman - Tommy Horton (ep159)
- Zach Grenier - Lemish (ep21), Jim Warren (ep103), Mr. Aronson (ep120), Mr. Hauser (ep245), Barry Speicher (ep360), Judge Cormac Braden (ep449)
- Zachary Knighton - Paul Wyler (ep244)
- Zak Orth - Mr. Ricardi (ep115)
- Zakes Mokae - Edgar Barkley (ep84)
- Željko Ivanek - Phillip Swann (ep74), ASA Ed Danvers (eps163, 195), Richard Kaplan (ep332)
- Zilah Mendoza - Maria Villanueva (ep311)
- Zoe Lister-Jones - Hannah Welch (ep376)
Special Guest Appearances By
- Andre Braugher - Frank Pembleton (ep124)
- Chris Meloni - Detective Elliot Stabler (eps219-220)
- Ice-T - Detective Odafin "Fin" Tutuola (ep351)
- Jon Seda - Paul Falsone (ep163)
- Kyle Secor - Tim Bayliss (ep124)
- Lindsey Vonn - Secretary (ep456)
- Mariska Hargitay - Detective Olivia Benson
- Michael Michele - Rene Sheppard (ep195)
- Richard Belzer - John Munch
- Yaphet Kotto - Al Giardello (ep163)
Co-Stars
- A.J. Handegard - Carl Mullaly (ep376)
- Aaron Fili - Dr. George Amiri (ep382)
- Aaron Goodwin - Sam (ep131)
- Aaron Harpold - Officer Carlson (ep231)
- Aaron Lohr - John Brody (ep383)
- Aaron Paternoster - Keith Voytek (ep363)
- Aaron Schwartz - Bomb Squad Cop (ep456)
- Aaron Serotsky - Dr. Michael Di Reggio (ep423)
- Aasif Mandvi - Khan (ep102), Technician (ep130), Gulab Singh (ep151), Peanut Vendor (ep172)
- Abby Lewis - Mrs. Mills (ep141), Mrs. Newman (ep167)
- Abigail Lopez - Laura Rodriguez (ep260), Eve Sanchez (ep278), Lisa Santoro
- Abigail Rose Solomon - Hannah Meyer (ep300)
- Abiola Wendy Abrams - Meryl (ep225)
- Abraham Alvarez - Frank Maldanado (ep300), Rabbi Sassum (ep324)
- Adam Arian - Dale Steward (ep222), Ari Mehlman (ep302)
- Adam Busch - Mark (ep169)
- Adam C. Vignola - Reporter #2 (ep199)
- Adam Chanler-Berat - Jason Wade (ep363)
- Adam Dannheisser - ADA Einstadt (ep245), Gabe (ep409), Dwayne Bell (ep447)
- Adam Heller - Ronson (ep34), Mr. Whiting (ep126), Theodore Spiros (ep176)
- Adam Huskey - Jason Ward (ep388)
- Adam Kaufman - Douglas Burke (ep156)
- Adam LeFevre - Bartender (ep4), Joseph Kelly (ep29), Dr. Helman (ep50), Barry Clayton (ep215)
- Adam Mastrelli - Charlie Sawyer (ep420)
- Adam Nee - Jason Higgs (ep369)
- Adam Oliensis - Arnie Fields (ep225)
- Adam Redfield - Nichols (ep34)
- Adam Rodriguez - Chino (ep211)
- Adam Saunders - Uni (ep350)
- Adam Sietz - Marty (ep204), Occupant (ep246), Alex (ep302), Daniel Hoyte (ep407)
- Adam Stein - CSU Technician Nelson (ep282), Assistant ME Cook (ep291), Assistant ME Cantor
- Adam Tosto - Minister of Justice (ep333)
- Adam Wade - Noah (ep312)
- Adam Zolotin - Ricky Velardi (ep215)
- Adepero Oduye - Traci Sands (ep355)
- Adina Porter - Woman Neighbor (ep11), Sheryl Decker (ep86), Mary Byman (ep114)
- Adinah Alexander - Judge Sandra Schaft (eps413, 436)
- Adrian Martinez - Hector (ep272)
- Adrian Rieder - Ryan Darby (ep288)
- Adrian Williams - Mr. Carol Woodward (ep31)
- Adriana Sananes - Julie Reyes (ep18)
- Adrianne Frost - Officer Gail Burke (ep291), Naomi Schatzberg (ep377)
- Adrienne Carter - Angela Tompkins (ep209)
- Adrienne D. Williams - Linda Fairborn (ep308)
- Afemo Omilami - Michael Kano (ep54), Henry Patterson (ep125), Darryl Lamaine (ep193)
- Agustin Fernandez - Ross Morales (ep130)
- Aida Linares - Colombar (ep109)
- Aida Turturro - Carmen (ep5)
- Aideen O'Kelly - Sister Kate (ep39)
- Aisha de Haas - Technician (ep249), Agnes Bowers (ep348)
- Ajay Kothari - Virgil Pipino (ep163)
- Akira Takayama - Karaoke Singer (ep91)
- Al Cayne - Hispanic Kid (ep158)
- Al Cerullo - Helicopter Pilot Frank Naransky (ep223), Helicopter Pilot (ep247)
- Al DeChristo - Roy Leonard (ep97), Forensic Garage Technician (ep150), Dan Andrews (ep272), Detective Johnson (ep322), Judge Gordon Hoffman (ep390)
- Al Freeman Jr. - Stan Wallace (ep319)
- Al Nazemian - Clerk (ep257)
- Al Roffe - Manuel (ep202), Ray (ep249)
- Al Shannon - Tim Pruiting (ep14)
- Al Sutton - Manager (ep229)
- Al Thompson - CSU Technician (ep225), Eddie (ep247)
- Alaina Dunn - Michelle Gattis (ep444)
- Alan Ariano - Bank Manager (ep257), Det. Hai Xiong (ep394)
- Alan Blumenfeld - Defense Attorney Novello (ep81)
- Alan Davidson - Dale Varnette (ep207)
- Alan Gordon - Clyde (ep75), Maxwell (ep97)
- Alan Hasnas - Jury Foreperson (ep339)
- Alan Mingo Jr. - Reggie (ep403)
- Alan Mixon - Healy (ep33)
- Alan Pottinger - CSU Technician (ep43), Wiley (ep73), Marty Fox (ep156)
- Alan Zweibel - Dr. Mark Burns (ep402), Doorman (ep442)
- Alana Jerins - Diane Loftus (ep261), Joanna Corey (ep272)
- Alana O'Brien - Assistant (ep448)
- Alba Oms - Valdez (ep43), Mrs. Camacho (ep161)
- Albert E. King - Howard Earl (eps248, 251)
- Albert Makhtsier - Sergei Yentakov (ep127)
- Albert S. Bennett - Jury Foreman (ep43)
- Alberto Vazquez - Block (ep19), Mendez (ep235), Roberto Rosario (ep317)
- Aldous Davidson - Spectator #1 (ep412)
- Alec Mapa - Brian Yoshimata (ep113)
- Alec Phoenix - Peter Messina (ep146)
- Aleks Shaklin - Driver (ep204), Cholenko (ep334)
- Alem Brhan Sapp - Drug Customer #2 (ep116)
- Aleta Mitchell - Joanne Preston (ep27), Helene Carter (ep89)
- Alex Bess - Gregory Winters (ep17)
- Alex Bowen - Nine Year Old Rankin (ep135), Kid #2 (ep243)
- Alex Cendese - Jason Kimmel (ep412)
- Alex Dawson - Paralegal (ep360)
- Alex Emanuel - Frank Simon (ep382)
- Alex Endeshaw - Gas Station Manager (ep261)
- Alex Manette - Bailiff (ep233), EMT Worker #1 (ep339), John Lane (ep428)
- Alex Nevil - RME Manager (ep325)
- Alex P. Stephens - Foreperson (ep380)
- Alex Perez - Hudson Moore (ep379)
- Alex Revan - Uniform Cop #3 (ep361)
- Alex Scott - Michael Ashford (ep186)
- Alex Tanaka - Neil Andrade (ep63)
- Alex Tavis - Reporter #2 (ep381)
- Alex Toma - Ronnie Polanco (ep147)
- Alex Webb - Sergeant Jack Rosino (ep368)
- Alex Wipf - Michael Wood (ep69), Gary (ep364)
- Alexander Blaise - Massimo (ep201), Roberto (ep246)
- Alexander Draper - Nathan Robbins (ep26), CSU Flamino (ep131)
- Alexander Emmet - Ramon (ep410)
- Alexandra Becker - Lisa, School Girl (ep45)
- Alexandra Daddario - Felicia (ep335), Samantha Beresford (ep379)
- Alexandra Gersten - Abby Diamond (ep2)
- Alexandra Loria - Marilyn Manning (ep139)
- Alexandra O'Karma - Technician (ep26)
- Alexandra Rhodie - Brinn Lehey (ep162), Barbara (ep400)
- Alexandra Silber - Sara Bradley (ep445)
- Alexandra Zabriskie - Jury Foreman (ep449)
- Alexis Suarez - Uniformed Officer (ep425)
- Alfred Karl - Mr. Starr (ep326)
- Alfred Sauchelli Jr. - Supervisor (ep280), Angelo Simonetti (ep333)
- Alfredo De Quesada - Delgado (ep347)
- Alfredo Narciso - Juan (ep310)
- Alice Connorton - Jackie (ep313), Mildred Bogle (ep427)
- Alice Liu - Karyn Sasabe (ep112), Karyn Sasabe (ep118), Karyn Sasabe (ep152)
- Alice Spivak - Judge Esther Fein (ep52)
- Alicia Brockwell - Sugar (ep234)
- Alicia Meer - Laura Glover (ep357)
- Alicia Roper - Claire Porterhouse (ep355)
- Alicia Van Couvering - Jessica Rubin (ep270)
- Alie Carey - Heather (ep381)
- Alisha Gaddis - Legal Assistant (ep456)
- Alison Adams - Donna Huelsman (ep400)
- Alison Graham - Court Clerk (ep122)
- Alison Martin - Dr. Florence Sanders (ep93), Miss Dawkins (ep136)
- Alison Sheehy - Elizabeth Lerner (ep106), Morgan Bryant (ep186)
- Alison Walla - Kerry Sawyer (ep420)
- Alison White - Jury Foreperson (ep363)
- Alix Korey - Mrs. Rubin (ep288)
- Allan Heinberg - Markson (ep157)
- Allen Enlow - Chris (ep406)
- Allen Fitzpatrick - Judge Darren Berman (ep301)
- Allen Lewis Rickman - Number Six (ep153)
- Allen Swift - Abe Pomerance (ep118), Jacob Rosen (ep172)
- Allen Williams - Detective Saperstein (ep36)
- Allie Woods Jr. - Waiter (ep287)
- Allison Briner - Erica Severs (ep218)
- Allison Easter - Anita Chambers (ep250)
- Allison Mackie - Nicole "Nici" Bailey (ep393)
- Allyn Burrows - Leonard Dorsey (ep197), Kevin Shore (ep274)
- Alma Cuervo - Talia DeSalvo (ep275)
- Alok Tewari - Ali (ep353), Sheldon Fress (ep454)
- Aloysius Gigl - Chef (ep230)
- Alta Withers - Nanny #2 (ep95)
- Alton Fitzgerald White - Deputy Warden Harris (ep252), Boss (ep325), Bailiff (ep413), Clerk (ep414)
- Alvaleta Guess - Mrs. Morris (ep125)
- Alvin Epstein - Dr. Chester (ep1)
- Alysia Reiner - Gretchen Stewart (ep214), Amy Felner (ep455)
- Alyson Reed - M.E. Heather Coyle (ep103)
- Alyssa Bresnahan - Leslie Hincher (ep226), Michelle Jones (ep328), Moira Stuber (ep449)
- Amanda Carlin - Doctor (ep9)
- Amanda KC - Customer (ep70)
- Amanda Mason Warren - Jalisa Kroger (ep446)
- Amanda Serkasevich - Blair (ep325)
- Amanda Sharkey - Judy Palnick (ep179)
- Amanda Shun - Kelly Antonovich (ep209)
- Amanda Spain - Kiki Samuels (ep203)
- Amber Joy Williams - Abigail Fleming (ep376)
- Ami Rothschild - Melinda Black (ep171)
- Amiee Turner - Melinda Cross (ep242)
- Amina Robinson - Nurse Valerie Miller (ep382)
- Amir Arison - Adil Salim (ep326)
- Amir Darvish - Salesclerk (ep335), Manager (ep366)
- Amro Salama - Cabbie (ep263), Salman Mogazi (ep278)
- Amy Bouril - Clerk (ep229)
- Amy de Lucia - Terri Collins (ep308)
- Amy J. Carle - Woman (ep340), Joan Cathcart (ep367)
- Amy Korb - Tina McCartney (ep69), Elle Langdon (ep226)
- Amy Margolis - Receptionist (ep253)
- Amy Povich - Lasky (ep151)
- Amy Resnick - Dr. Maureen Atkins (ep182)
- Amy Rutberg - Courtney (ep396), Megan Kerik (ep445)
- Amy Sohn - Myra (ep131)
- Amy Stiller - Alison Thomas (ep77), Bartender (ep195)
- Amy Tribbey - Lynda Dillon (ep381), Rachel (ep456)
- Amy Van Nostrand - Maddy (ep367)
- Amy Warren - Asst M.E. Steele (ep428)
- Ana Andric - Housekeeper (ep324)
- Ana Kayne - Dena Milner (ep430)
- Ana Maria Jomolca - Judge Ina Hellman (eps379, 405)
- Ana Reeder - Mary Uberti (ep203), Annette Perry (ep238)
- Anamaria Correa - Detective Marta Hernandez (ep199)
- Anastasia Barzee - Claudia Murphy (ep388)
- Anastasia Sanidopoulos Mousis - Teacher (ep456)
- Andersen Gabrych - Kenny Davidson (ep224)
- Anderson Matthews - David Galan (ep302)
- Andre Canty - UPS Delivery Man (ep180)
- Andre Da Silva - Sean Alvarez (ep221)
- André Holland - David Sachs (ep376)
- Andre Royo - Gil Freeman (ep194)
- André Vippolis - Aaron (ep244)
- Andrea Bowen - Rankin Toddler (ep135), Bess (ep161)
- Andrea Cirie - Lisette Shapiro (ep413)
- Andrea Gabriel - Melanie Tolson (ep214)
- Andrea Kooharian - Cheryl Kamins (ep426)
- Andrea Navedo - Detective Ana Cordova
- Andres Munar - Ruben Pena (ep376)
- Andrew Dolan - Kyle Guardino (ep366), Joe Foster (ep423)
- Andrew Finney - Court Clerk (ep143), Mendoza (ep159)
- Andrew Fiscella - Threat Assessment Officer (ep252)
- Andrew Garman - Scott Jepson (ep385)
- Andrew Grusetskie - Jack Shea (ep441)
- Andrew Heckler - David Rosatti (ep283)
- Andrew McGinn - Grant Dicks (ep280)
- Andrew Mutnick - Assistant M.E. Gates (ep71), Asst. M.E. Gaynor (ep106)
- Andrew Parise - Uniform Cop #1 (ep413)
- Andrew Pastides - Rick Benson (ep456)
- Andrew Polk - CSU Technician (ep153), Stuart (ep232), Jared Sterling (ep289), Bank Manager (ep409), Eli Driscoll (ep451)
- Andrew Rein - Bank Officer (ep326)
- Andrew Shiva - Foreman (ep148)
- Andrew Stewart-Jones - Devon (ep418)
- Andrew Van Dusen - Andy (ep169)
- Andrew Weems - David Silverman (ep134), Wallace Hogart (ep232), Lieutenant Marley (ep334)
- Andy Fowle - Lewis Cray (ep162), Anthony Felker (ep212)
- Andy Paris - Man (ep424)
- Andy Prosky - Foreman (ep364)
- Andy Taylor - Frank Baker (ep102)
- Andy Umberger - Schwartz (ep102), Guard (ep146)
- Angel Caban - Store Owner (ep137), Ralph Marra (ep181), Saman (ep265)
- Angel Desai - Ellen Harris (ep261), Erica (ep298), Assistant ME Dr. Judy Waxman
- Angel L. Caban - Geraldo (ep311)
- Angel Rosa - Sgt. Kuo (ep400), Bailiff (ep432)
- Angel Sing - Mr. Y.K. (ep416)
- Angela Christian - Suzanne Ashcroft (ep455)
- Angela Forrest - Clerk (ep319)
- Angela Hughes - Arlene Thomas (ep276)
- Angela K. Pierce - Gina (ep254)
- Angela LaGreca - Tracey Black (ep222)
- Angela Lanza - Nurse Ruiz (ep161)
- Angela Pietropinto - Abigail Baxter (ep86), Nurse Ciaducci (ep164), Isabella Russo (ep202), Phyllis Malone (ep261), Sheryl Gayley (ep444)
- Angela Pupello - Patricia Sullivan (ep182)
- Angela Reed - Amanda Hiller (ep274), Mindy Morgan (ep391)
- Angela Roberts - Louise Watts (ep284)
- Angelina Fiordellisi - Zoe Stivers (ep129)
- Angie Levrone - Cheri (ep169)
- Anibal O. Lleras - Man #1 (ep32), Antonio (ep93)
- Anita Flanagan - Forensic Technician (ep307), CSU Technician (ep317), CSU Tech Emily McDow (ep357), Bailiff (ep451)
- Anita Hollander - Clerk (ep435)
- Anita Keal - Arlene Ross (ep56)
- Ann Coleman - Jury Forewoman (ep73)
- Ann Crumb - Marie Lloyd (ep89)
- Ann Gray - Lorette Haley (ep269), Lynn Gaolby (ep300), Judge Emily Posner (ep364), Judge Ivana Pinsky (ep381)
- Ann Hu - Phoebe Yung (ep269), Lucy Chen (ep323), Tina Lee (ep386)
- Ann McDonough - Peggy Sylvester (ep86)
- Ann Sachs - Mrs. McKenna (ep66)
- Ann Talman - Ruth Polansky (ep207), Emily Snowden (ep253)
- Anna Carolina Arias - Lola (ep75), Irma Lopez (ep142)
- Anna Damergis - Court Clerk (ep202)
- Anna Katarina - Elena Skolnick (eps15-16)
- Anna Rose Hopkins - Kira Goldsmith (ep385)
- Anna Stone - Ellen Taylor (ep455)
- Annaleigh Ashford - Mia (ep454)
- Anne Bonvegna - Cassie Nobels (ep163)
- Anne Chapin - Carol Miller (ep103), ER Doctor (ep146)
- Anne Clare Gibbons-Brown - Kid #1 (ep406)
- Anne Dupont - Shirley (ep444)
- Anne Frith - Sadie Appleyard (ep163)
- Anne Jackson - Judge Jane Simons (ep166)
- Anne Lange - Evelyn Talbert (ep96), Headmistress (ep158)
- Anne Marie Nest - Ann Mason (ep418)
- Anne O'Sullivan - Dash (ep29), Mrs. Osborne (ep191), Sharon Parenti (ep320), Josetti (ep416)
- Anne Swift - Mrs. Creighton (ep68)
- Anne Torsiglieri - ADA Jeannine Tarlow (ep235), Meredith Hoffman (ep375)
- Annette Arnold - Alana Werner (ep203)
- Anney Giobbe - Suzanne (ep190), Mary (ep432)
- Annie Campbell - Kayla (ep310)
- Annie McGreevey - Grand Juror (ep371)
- Annie Meisels - Molly (ep282)
- Annie Rose Murray - Christine Porter (ep214)
- Anthony Alessandro - Carpetman (ep19)
- Anthony Barrile - Fiske (ep207)
- Anthony Crivello - Celine (ep10)
- Anthony Cummings - Kevin Morehead (ep44)
- Anthony DeRiso - McCrory's Lawyer (ep22), Peters (ep62)
- Anthony Dodge - Court Reporter (ep137)
- Anthony Estrella - Dr. Ben Ellers (ep384)
- Anthony Fazio - Terry Lipsky (ep329)
- Anthony Grasso - Frankie Jasper (ep209), Joey Eckert (ep253), Alarm Specialist (ep337), Randall Vance (ep436)
- Anthony Holds - Steve Monroe (ep356)
- Anthony J. Coleman - Steve (ep141)
- Anthony J. Ribustello - Hank (ep286), Paul Upton (ep430)
- Anthony K. Means - Simonize Jackson (ep6)
- Anthony Mangano - Sluizer (ep119), Palacio (ep161), Public Officer Vitelli (ep284), Sal Garcetti (ep386)
- Anthony Mazza - ESU Team Leader, ESU Cop #2 (ep371), ESU Sergeant (ep456)
- Anthony Michael Ruivivar - Raymond Cartena (ep152)
- Anthony Patellis - Lloyd Boxer (ep137)
- Anthony Ruiz - Officer Lopez (ep18), Fowler (ep59), Mr. Ramirez (ep81), Tico (ep161), Javier Hernandez (ep197), Joseph Serrano (ep264), Ricardo Alvarez (ep335)
- Anthony Spina - Super (ep261)
- Anthony Thomas - Michael Tully (ep88)
- Anthony Ventola - Second Reporter (ep394)
- Antoine McLean - Zack (ep189)
- Antoinette LaVecchia - Detective Barnes (ep227), Linda Parker (ep289), CSU Detective DiGraita (ep430), CSU Tech Di Grappa (ep439)
- Antone Pagán - NYPD Officer Ubillez (ep10), Ronnie Ortega (ep234)
- Antonia Rey - Lady #2 (ep258)
- Antonio D. Charity - Detective Dexter Richmond (ep330)
- Antonio Edwards Suarez - Bank Manager (ep295), Dr. Lopez (ep334), Jose Alvero (ep411), Frank Ramos (ep450)
- Antonique Smith - Gina (ep289)
- Antony Hagopian - Surgeon (ep344)
- April Adamson - Lana Stafford (ep238)
- April Nixon - Mom (ep410)
- Areshia McFarlin - Roxy Black (ep389)
- Ari Fliakos - Dan Flood (ep352)
- Arian Moayed - Fadi Abu Ubdeh (ep360)
- Ariane Brandt - Policewoman (ep13), Woman #1 (ep126)
- Ariel Kiley - Erin (ep244)
- Arielle Kaplan - Serena Curtis (ep151)
- Ariyãn Johnson - Angela McDermott (ep116)
- Armand Dahan - Pretzel Vendor (ep169)
- Arnie Burton - Hotel Manager (ep367)
- Arnie Mazer - TV Cable Man (ep84), Bank Security Manager (ep112)
- Arnold Acevedo - Danny Moreno (ep263), Pedro (ep333)
- Arthur Acuña - Pharmacy Clerk (ep132), Assistant Medical Examiner (ep225)
- Arthur Anderson - Judge Mallory (ep121), Old Man (ep170), Mr. Rothchild (ep266)
- Arthur French - Dr. Myron Jansen (ep85), Vernon Johnson (ep143), Josiah Winthrop (ep305)
- Arthur Halpern - Loomis (ep36), Harold Tucker (ep187)
- Arthur Nascarella - Mike Farina (ep121)
- Artie Fletcher - Stan (ep245)
- Asa Somers - Mike Conneally (ep392)
- Ash Christian - John Nolte (ep456)
- Ash Roeca - Agent #1 (ep371)
- Asher Grodman - Nate (ep432)
- Ashley Bryan - Receptionist (ep375)
- Ashley Carin - Jessica (ep34), Gloria Ball (ep174)
- Ashley Chase - Tisha (ep34)
- Ashlie Atkinson - Wendy (ep312)
- Audra Blaser - Dawn Prescott (ep428)
- Audrey Amey - Desiree (ep443)
- Audrey Anderson - Mrs. Barnett (ep111)
- Augusta Dabney - Mrs. LaValle (ep168)
- Augustin M. Rodriguez - Pedro (ep380)
- Augustus Johnson - Arraignment Court Clerk (ep253)
- Austin Jones - CSU Tech (ep378)
- Austin Williams - Billy Boone (ep406)
- Autumn Dornfeld - Sylvia Delaney (ep407)
- Ava-Marie Carnevale - Mrs. Timon (ep158), Woman (ep264)
- Avery Glymph - CSU Tech Joel Lowden (ep357)
- Avery Kidd Waddell - Tariq Davis (ep167)
- Avery Waddell - Kevin Orgell (ep143)
- Aya Cash - Janine Lesko (ep369)
- Ayana Brown - First Cop (ep456)
- Ayo Haynes - Natalie Antos (ep186)
- Ayodele Casel - Marisol Benitez (ep211)
- Aysha Quinn - Agnes Maye (ep214)
- Babo Harrison - Audra Bushner (ep223)
- Bahni Turpin - Theresa Jones (ep57)
- Bailey Slattery - Alice Danielson (ep269)
- Barbara Andres - Lana Lasky (ep421)
- Barbara Beckley - Freund (ep30)
- Barbara Berjer - Mrs. Gannett (ep155)
- Barbara Blackburn - Tammy White (ep61)
- Barbara Broughton - Foreperson (ep340)
- Barbara Bruno - Anita Correa (ep232)
- Barbara Caruso - Hastings (ep2), Mother Superior Agnes (ep196), Administrator (ep264)
- Barbara Christie - Irene (ep91)
- Barbara Dana - Mrs. Howell (ep366)
- Barbara Eda-Young - Betsy Graves (ep141)
- Barbara Gonzalez - Celia Montalbano (ep32), Maria (ep202)
- Barbara Gulan - Francine Randazzo (ep107), Anne Lewis (ep176), Claudia Kowalski (ep318), Judge Carol Coughlin (ep408)
- Barbara Lee Govan - Dispatch Officer (ep323)
- Barbara Myers - Jury Foreperson (ep176)
- Barbara Pitts - Emily Malloy (ep250)
- Barbara Rhoades - Kathy McGarity (ep298)
- Barbara Spiegel - Arraignment Judge Harriet Doremus
- Barbara Sullivan Drum - Jury Foreperson (ep353)
- Barbara Tirrell - Judge Edith Markham (ep159), Barbara Landers (ep250), Nancy Henderson (ep411)
- Barney Fitzpatrick - Doorman (eps249, 267), Guard (ep367)
- Baron Vaughn - Assistant ME Anskel (eps397, 437)
- Barrie Youngfellow - Dr. Emily Lindros (ep177)
- Barry Finkel - Clerk (ep293)
- Barry Sherman - William Harriman Jr. (ep8)
- Barry Snider - Mr. O'Malley (ep24), Fred Jenks (ep236)
- Barry Squitieri - Pulaski (ep70), Charles Marks (ep98)
- Bart Tangredi - Bart Tangredi (ep183)
- Barton Tinapp - Roger Taban (ep152), Adam Campos (ep172)
- Baxter Harris - Mr. Bartlett (ep4), Abner Parkes (ep180)
- Baylen Thomas - Reporter (ep352), Bob Renquist (ep441)
- Bea Soong - Beth (ep356)
- Beau Berdahl - Student (ep158)
- Beau Van Donkelaar - Shawn (ep364)
- Becca Lish - Lorraine (ep215)
- Becky Borczon - Forewoman (ep30), Theresa Tritch (ep95)
- Becky London - Judge R.L. Webber (ep144)
- Belinda Becker - Gayle Turner (ep454)
- Bellamy Young - Ellen O'Brien (ep164)
- Bellina Logan - Gail Carradine (ep30)
- Belqui Ortiz - Marta (ep262), Intern #2 (ep315)
- Ben Curtis - Robert Cole (ep392)
- Ben Hammer - Judge Herman Mooney, Judge Frank Markman (ep37)
- Ben Hauck - Young Man (ep224)
- Ben Lang - Irv Isaacson (ep31)
- Ben Lin - Chinese Manager (ep24)
- Ben Lipitz - Dick Marcus (ep201)
- Ben Mac Brown - Preston (ep412), Neil Arnett (ep444)
- Ben Van Bergen - Mike (ep317)
- Ben Wang - Danny Chin (ep299)
- Benim Foster - Mark Diaz (ep396)
- Benjamin Bauman - Jason Altobell (ep425)
- Benjamin Cain - Court Clerk (ep149), Receptionist (ep159)
- Benjamin Pelteson - Nick (ep394)
- Benny Geraci - Flunky (ep333)
- Benton Greene - Derek (ep398)
- Beresford Bennett - CSU Officer (ep231), Father (ep265), Clerk (ep345)
- Bernadette Drayton - Foreman (ep293)
- Bernadette Penotti - Helena Navarro (ep78)
- Bernard Hernandez - Misan (ep426)
- Bernard K. Addison - Dr. Charters (ep181)
- Bernice Massi - Mrs. Diamond (ep7)
- Bernie Grant - Judge Irwin Reisman
- Bernie McInerney - Trial Judge Michael Callahan
- Bernie Passeltiner - Harry Schuman (ep74), Bernard Silver (ep214)
- Bernie Sheredy - Russell Lehrman (ep108), Mr. Horton (ep159), Georgy Maletkov (ep205)
- Bess Wohl - Gia Whitchurch (ep309)
- BethAnn Bonner - Linda Cooper (ep430)
- Beth Dzuricky - Jane Simonian (ep400)
- Beth Emelson - Nurse (ep90)
- Beth Fowler - Mrs. Wrenn (ep63)
- Beth Hirsch - Elisabeth Roth (ep7)
- Beth Lowy - Foreperson (ep248)
- Beth McDonald - Adele Tompkins (ep27), Mary Cooper (ep103), Connie Zavaglia (ep172)
- Beth Thompson - Female Diner (ep343)
- Betsy Beutler - Nicole Milton (ep379)
- Betty Borczon - Mrs. Weston (ep187)
- Betty Low - Vivian Mason (ep199)
- Betty Vaughn - Black Woman (ep70)
- Beverly Johnson - Salamotu (ep54)
- Bianca Collins - Darlene Muller (ep144)
- Biff McGuire - Reverend Morley (ep27)
- Bill Alton - Trial Judge Bernard O'Malley (eps26, 60)
- Bill Anagnos - McVitty (ep242)
- Bill Buell - Douglas Pomerantz (ep56), Chris Paley (ep236)
- Bill Christ - Jamie Ehrenclou (ep112), Rev. Gervais (ep158), Vincent Steinberg (ep227)
- Bill Coelius - Mike (ep389)
- Bill Cohen - Teacher (ep46), Waters (ep77), Sandler (ep90), Wilson (ep126), Sam Krasny (ep140), Ken (ep228), Paulson (ep282), Davis (ep337), Airport Security Chief Chet Sullivan (ep452)
- Bill Davis - Thomas Cooper (ep430)
- Bill Fairbairn - Jury Foreperson (ep229)
- Bill Fiore - Ray Russo (ep49), Buddy (ep210)
- Bill Hoag - Eugene (ep104), Officer Hack (ep132), Sergeant Bowers (ep235), Fire Marshall (ep277)
- Bill Kocis - Reporter #2 (ep259), Jury Foreperson #1 (ep361)
- Bill Kux - Dr. Bryan Deane (ep189), Todd Healy (ep416)
- Bill Nelson - Markson (ep49)
- Bill Quigley - Court Officer (epp317)
- Bill Raymond - Barry Cavanaugh (ep227)
- Bill Richardone - Peter Rawls (ep145)
- Bill Tangradi - Uniform #2 (ep346), Chris Robinson (ep359)
- Bill Tatum - Michael Lasky (ep187)
- Bill Walsh - ESU Policeman #2 (ep257)
- Billie Allen - Judge West (ep30)
- Billie Jean King - Judge Muriel Gilden (ep390)
- Billy Chang - Billy Ru (ep42)
- Billy Gillespie - Reporter #1 (ep71), Coach Lucas (ep102), Larry (ep136), Assistant M.E. (ep163)
- Billy Griffith - Ernest Borges (ep281)
- Billy Jaye - Super (ep238)
- Billy Porter - Greg Ellison (ep333)
- Billy Smith - Detective Carlson (ep327)
- Billy Strong - Cooke (ep41), Archie Borden (ep86), Danny Trumbello (ep121), Gino Ricardo (ep148), Officer Sokolsky (ep233)
- Billy Van - Detective (ep29), CSU Tech Gilmore (ep45), CSU Tech (ep68), Vince Coughlin (ep108)
- Bjorn Johnson - CSU Policeman (ep37)
- Blaine Horton - Nelson (ep403)
- Blair Singer - Mike (ep131)
- Blake Bashoff - Kevin (ep89)
- Blake Robbins - Heinrich (ep211)
- Blanca Camacho - Miss Perez (ep9), Lila Ramirez (ep81), Rachel Shapiro (ep215)
- Blas Hernandez - Herrera (ep18), Janitor (ep44)
- Blythe Auffarth - Maura Tinley (ep270)
- Bo Dietl - Carmine "Bumpy" Bustale (ep321)
- Bo Rucker - Officer Kennedy (ep122)
- Bob Ader - Father (ep184), Counter #2 (ep253)
- Bob Ari - Richard Kahn (ep92), Owner (ep158)
- Bob Cea - Grady (ep41), Holland (ep45), Stokes (ep85), David (ep183)
- Bob Gerardi - Bailiff (ep27)
- Bob Greenberg - Sam (ep58)
- Bob Kaliban - Arraignment Judge Bernard Kelman (eps81, 156)
- Bob Kirsh - Police Interpreter (ep66)
- Bob Loehmann - Bailiff (ep72)
- Bob Sorenson - ME Steve Kurt
- Bob Stillman - Father Royce (ep360)
- Bob Wilson - Reporter #1 (ep163)
- Bobby Alto - Desk Sergeant (ep44)
- Bobby Charles Reed - Clerk (ep189)
- Bobby Moreno - Uni #1 (ep412)
- Bobby Spillane - John Gruner (ep348)
- Bonnie Black - Joanne (ep107)
- Bonnie Dennison - Katie Zwybel (ep272)
- Bonnie Rose - Grand Juror #2 (ep258)
- Bostin Christopher - Derrick Fedder (ep226)
- Brad Aldous - Jason Markus (ep310)
- Brad Beyer - Jack Miniver (ep131)
- Brad Calcaterra - James Reynolds (ep253), Jay Fleckner (ep361), Roy Barkin (ep395)
- Brad Fleischer - Patterson Drucker (ep354)
- Brad Greenquist - Bartender (ep10)
- Brad Kane - Buzz Collins (ep30)
- Brad Oscar - Paul (ep269)
- Bradford Cover - David Richards (ep307), Rick Devon (ep413)
- Bradley Dean Jones - Woodmoor Pharmaceuticals Lawyer (ep441), Court Clerk (ep455)
- Brandon Bales - Issac (ep373)
- Brandon Cusma - Uniform Cop #1 (ep333), Uni #2 (ep344), Uniform (ep372)
- Brandon Nero - Alex Atkins (ep197)
- Brandon Reilly - Seth (ep389)
- Brandon Segarra - Eddie Garcia (ep130)
- Brandon Thomas - Ty Tan (ep398)
- Brandon Williams - Jim Grieb (ep411), Wayne Carville (ep445)
- Brant Spencer - Health Club Clerk (ep180), Uni Burns (ep384)
- Brenda Ricci - Maggie Riordan (ep332)
- Brenda Pressley - Danielle Lindsey (ep197), ADA Shannon Hayes (ep241)
- Brenda Thomas Denmark - Nurse James (ep40), Beverly Harris (ep59), Mary Willoughby (ep82), Expediter (ep115), Rosalie Price (ep242), Leslie Nelson (ep319), Pat Voles (ep431)
- Brendan Burke - Old Man #2 (ep20)
- Brendan O'Malley - CSU Technician (ep155)
- Brent Crawford - Matt Tagert (ep266)
- Brent Meyer - Robert (ep289)
- Brett Friedmann - Uniform (ep388)
- Brett Rickaby - FBI Agent Hayden (ep93)
- Brette Taylor - Natalie (ep110), Celia Gaston (ep115)
- Breyha Morgan - Tanya Anderson (ep398)
- Brian Avers - Marlon Cooper (ep383)
- Brian Berrebbi - Detective Fritz (ep425)
- Brian Burke - Hospital Clerk (ep21), Little Man (ep99)
- Brian Cahill - CSU Tech Marks (ep285)
- Brian Connors - Uniform Policeman (ep90), Newman (ep114), Gerald Harmon (eps221, 253)
- Brian D'Addario - Noah (ep406)
- Brian D. Coats - Chris Roberts (ep323), Jerome Henderson (ep447)
- Brian Davies - Trial Judge Warren Busey (eps281, 333)
- Brian Donahue - Uniform Cop #1 (ep277)
- Brian Dykstra - Uniform Policeman #2 (ep155), Phil (ep194), CSU Officer (ep234), Skip Elroy (ep408)
- Brian Flanagan - Uniform Policeman (ep245)
- Brian Geraghty - Phillip Ludwick (ep191)
- Brian Gonzales - Benny Gallen (ep423)
- Brian Hotaling - Man (ep340), Joseph Flynn (ep379)
- Brian Howe - Duffy (ep78), John Mack (ep146), Detective Harry Sorkin (ep191)
- Brian Hyman - Boris Walker (eps250, 279), Tech (ep346), Computer Tech Stubbs (ep387), TARU Tech Beckway (ep392)
- Brian J. Carter - Jury Foreman (ep357)
- Brian Keane - McAlary (ep205), Dr. Murphy (eps228, 243)
- Brian Keeler - Paul Gary Fowler (ep180)
- Brian Letscher - Mark Rhodes (ep365)
- Brian Maillard - Damon (ep266)
- Brian McQuillan - Luke Richmond (ep149), Len (ep244), John (ep289)
- Brian Reddy - McBride (ep43)
- Brian Russell - Judge Arnold Capetti (ep392), Luke Williams (ep415)
- Brian Sgambati - Davidson (ep454)
- Brian Smiar - Court Judge Harper (ep7), Judge Tyler B. Ashford (ep9)
- Brian Sullivan - Simon Mayer (ep300)
- Brian Tarantina - Rudy (ep88)
- Brian Tyree Henry - Ben (ep438)
- Brian Vincent - Hank (ep113)
- Brian Williams - Burnham (ep17), Assistant District Attorney Dickey (ep18), Roeder (ep36), Secretary (ep77)
- Bridget Barkan - Kayla Watson (ep360)
- Bridget Moloney - Chloe (ep379)
- Bridget Siegel - Reporter (ep425)
- Brielle Barbusca - Little Girl (ep356)
- Brienin Bryant - Lori Odlum (ep143), Nurse (ep313)
- Brigid Brady - Nurse #1 (ep331)
- Brigitte Viellieu-Davis - Justine Rosen (ep366)
- Brittany Slattery - Jessica Dobson (ep90)
- Bronwen Coleman - Gretchen (ep408)
- Brooke Davis - Lee Argolo (ep452)
- Brooks Hornsby - Natasha Clayton (ep382)
- Brooks Rogers - Dr. Henry Royce (ep95), Dr. Dietrich Parks (ep150), Dr. Wilton Engel (ep200)
- Bruce Adler - Art Diamond (ep80)
- Bruce Birns - Jury Foreman (ep179)
- Bruce Grossberg - Super (ep348)
- Bruce Kronenberg - Linford (ep40), Eric Hoffman (ep146), Ron Balducci (ep196)
- Bruce-Robert Serafin - Don Narducci (ep409)
- Bruce Smolanoff - Uniform Policeman #2 (ep153), CSU Technician (eps275-276)
- Bruce Ward - Warren Falan (ep261), Ed Connolly (ep317), Stavros (ep448)
- Bruce Winant - Morgenstern (ep135), Mike Fitch (ep211), Dale Franks (ep281)
- Brud Fogarty - Uniform Cop Jordan (ep328), Phelan (ep350), Uniform Mons (ep379)
- Bruklin Harris - Jackie Ward (ep40), Theresa (ep83)
- Burl Moseley - Officer Franco (ep413)
- Bryan Farrell Wilson - Chris (ep441)
- Bryan Fitzgerald - Jay Spivey (ep447)
- Bryan Greenberg - Matt Wheeler (ep158)
- Bryan Hanna - David Nunan (ep292)
- Bryan Hearne - Frank (ep294)
- Bryan Hicks - Officer Lao (ep160)
- Bryan Scott Johnson - Captain Clark Wallace (ep335)
- Bryan T. Donovan - Uniform Cop #2 (ep361)
- Bryant Richards - Young Man (ep344)
- Bunny Levine - Irene Drummond (ep213)
- Burke Pearson - Frank Moskov (ep99)
- Burt Edwards - Sam Allen (ep59), Grandpa Brewster (ep104)
- Burton Perez - Gang Member #1 (ep354)
- Buzz Bovshow - Charles Herman (ep142), Alan (ep212), Orthodox #2 (ep360)
- Buzz Roddy - Moskowitz (ep179), Jury Foreperson (ep221)
- Byron Utley - Cookie Molina (ep7), Byron Utley (ep107)
- C. Arthur Smith - Court Clerk
- C. Kavanagh Harris - Athletic Director (ep267)
- C.C. Loveheart - Receptionist (ep107), Sharon Geddes (ep211), Jury Foreperson (ep284)
- C.J. Lindsey - Sean Carroway (ep262)
- C.J. Wilson - Ed Daniels (ep243), Levi Ingle (ep414)
- C.S. Lee - Kenny Chen (ep183), Pharmacist (ep225), Forensics Techn Turot (ep285)
- Caitlin Dulany - Lisa Cole (ep78)
- Caitlin Muelder - Nurse Anna (ep396)
- Caitlin O'Connell - Lucille Barney (ep353), Glenda Carr (ep419)
- Calli Sarkesh - Jack Wilderman (ep318)
- Camden Jill Carter - Young Woman (ep224)
- Cameron Bowen - Seven year old Rankin (ep135)
- Camilla Rantsen - Charlize Poster (ep225)
- Camille L. Jeter - Marcia Hendricks (ep66)
- Camillia Sanes - Ellen Rattinger (ep166)
- Camryn Manheim - Leila (ep12), Martha Rollins (ep66), Beatrice Hines (ep86)
- Candice McKoy - Court Officer (ep418)
- Candice Rose - Tami (ep152)
- Capathia Jenkins - Administrator (ep252)
- Caprice Benedetti - Amber (ep129)
- Cara Duff-MacCormick - Maggie Duff (ep53)
- Cara Jedell - Susan (ep102)
- Caralyn Gorel - Katie (eps149, 151)
- Caralyn Kozlowski - Alana Conlan (ep395)
- Caren Browning - Anne Kearsey (ep235)
- Carey Crim - Leslie (ep448)
- Carey Reilly - Detective Jenny Gant (ep338)
- Caris Vujcec - Melinda Phelps (ep340), Sharon Lee (ep428)
- Carl J. Danielsen - County Clerk (ep400)
- Carl Jay Cofield - George Moore (ep59), Ott's Assistant (ep85)
- Carl John Matusovich - Shane Bowker (ep195)
- Carla Brandberg - Proprietress (ep417)
- Carla Gallo - Janet Tuckman (ep194)
- Carla Greene - Cece (ep338)
- Carla Harting - Sloan (ep327)
- Carleigh Chirico - Allie (ep441)
- Carlo Alban - Damien (ep123), Ramon Soriano (ep224)
- Carlos A. Alonso - Leo (ep139)
- Carlos Espina - Cheuy Bodillo (ep32)
- Carlos Pizarro - Elias Camacho (ep161), Jose Delgado (ep199), Luis Rodriguez (ep240)
- Carlos Rafart - Carlos Rafart (ep100)
- Carlos Sanz - Javier "Elvis" Lariano Gaitan (ep52)
- Carly Maitlin - Jill Mason (ep418)
- Carmen López - Gloria Manquez (ep142)
- Carmen Roman - Judge Louise Einhorn
- Carmine Famiglietti - Vito (ep450)
- Carol Emshoff - Peggy Brannigan (ep236)
- Carol Goodheart - Juror (ep7)
- Carol Harris - Judge Goldman (ep49)
- Carol Linnea Johnson - Lynn Mills (ep314)
- Carol Lynn Maillard - Mrs. Cameron (ep329)
- Carol Morley - Mrs. Slattery (ep122)
- Carol Vernon - Jury Forewoman (ep62)
- Carol Woods - Ms. Price (ep40), Polly Fairfield (ep55)
- Carolann Page - Patty Nuransky (ep223)
- Carole Troll - Hospital Receptionist (ep194), Jury Foreperson (ep231)
- Caroline Clay - Jessie Dobbs (ep231)
- Caroline Strong - Jacey Finster (ep362), Amy Tolberg (ep408)
- Caroline Wilde - Carrie Prescott (ep104)
- Carolyn Baeumler - Emily Wilder (ep348), Grand Juror #1 (ep433)
- Carolyn Craig - Stephanie Vandenberg (ep318)
- Carolyn Quinones - Hooker (ep354)
- Carrell Myers - Natalie Ortega (ep52)
- Carrie Shaltz - Nurse (ep368)
- Carrie Yaeger - Beth Swailes (ep372)
- Carsey Walker Jr. - Francis (ep327)
- Carson Kleiner - Katie Andreas (ep371), Heather Doherty (ep404)
- Carter Gill - Cavanaugh (ep448)
- Casey Ford Alexander - Bobby (ep384)
- Casey Groves - Sam Burwell (ep425)
- Catharine Boyd - Dr. Sandra Means (ep96)
- Catherine Brophy - Emily Branson (ep225)
- Catherine Cox - Dr. Nancy Frieder (ep164), Mrs. Hatcher (ep272), Barbara (ep364)
- Catherine Curtin - Stephanie Hollis (ep218), Julie Liscomb (ep403)
- Catherine Featherston - Kate (ep45)
- Catherine Gardner - Felice Ortega (ep52)
- Catherine Hyland - Glenda Slater (ep265)
- Catherine Lloyd Burns - Sheila Herlihy (ep24)
- Catherine Perry - Cheryl Fugazy (ep117)
- Catherine Russell - Jury Foreperson (ep341)
- Catherine Steindler - Dale (ep227)
- Catherine Wolf - Judge Harris (ep22), Judge Rosemary Hale (ep25), Dr. Nedermann (ep161), Evelyn Kramer (ep238), Judge Mildred Kurtzman (ep367)
- Catherine Zambri - Ianna Mercer (ep221)
- Cathy Decker - Nurse (ep243)
- Catia Ojeda - Alison (ep359), Deputy Ryan (ep420)
- Catie Bales - Teenage Girl (ep260)
- Catrina Ganey - Bernice (ep72), Mrs. Chapman (ep124), Janet Renfro (ep203), Homeless Woman (ep253), Doris Creppler (ep355), Diane Palina (ep420)
- Cecilia DeWolf - Mrs. Reich (ep117)
- Cecelia Riddett - Winnie Scattergood (ep240)
- Cecilia Wilde - Sintra More (ep10)
- Cedric Sanders - Derek (ep389)
- Cedric Turner - Transit Policeman (ep2), 2nd NYB Regular (ep162)
- Cedric Young - Reporter #2 (ep80)
- Celia Austin - Rachel Cardwell (ep296)
- Celia Keenan-Bolger - Elaine Fowler (ep387)
- Cesar De León - Painter #1 (ep241)
- Cesar Leonardo - Freddie Ortega (ep264), Detective Johnson (ep407), Officer Delgado (ep450)
- Chad Aaron - Eric (ep215)
- Chad C. Tucker - Hart Wilson (ep193), Stevie Thomas (ep293)
- Chad Carstarphen - Kevin (ep189)
- Chad Gittens - ND Detective (ep400), Officer Bonelli (ep407), Sergeant Bullard (ep421)
- Chad L. Coleman - Henry (ep77), Weiner (ep117)
- Chad Lindsey - Correction Officer (ep435)
- Chadwick Boseman - Foster Keyes (ep317)
- Chadwick Brown - Liam (ep404)
- Chandler Adrian Parker - Eduardo Ramirez (ep351)
- Chandler Vinton - Carol (ep395)
- Chandra Wilson - Serena Price (ep40)
- Charisse Brown - Social Services Worker (ep356)
- Charity Henson-Ballard - Reporter (ep451)
- Charlee Chiv - Sam (ep255)
- Charles Blackwell - Judge Howard Gillman (eps41, 106)
- Charles Dumas - Donald Van Buren (eps94, 134), McNelly (ep358)
- Charles E. Gerber - Jack Horland (ep67), Mark Berry (ep227)
- Charles Everett - Court Clerk (ep387)
- Charles Gale - Technician (ep143)
- Charles Gould - Blogger (ep449)
- Charles H. Hyman - Warden (ep336)
- Charles Major - Walter Fairlee (ep44), Peterson (ep74), Byron (ep126), Dr. Zerkin (ep226)
- Charles Navarrette - Painter #2 (ep241), Super (ep274)
- Charles Pistone - CSU Tech Wheeler (ep197), Richard Turino (ep356)
- Charles Reed - Phil (ep210), Evan Barry (ep318)
- Charles Reese - Miller's Supporter (ep235)
- Charles Semine - Michael (ep401)
- Charles Socarides - O'Brien (ep345)
- Charles Stransky - Murphy (ep108), Man (ep159), Nick Tidwell (ep212), Mike Kilberg (ep311)
- Charles Turner - James Wilson (ep330)
- Charles Tuthill - Father (ep249), David Smith (ep293)
- Charles Weldon - Westbrook (ep11), Cassidy (ep195)
- Charley Scalies - Mario (ep167)
- Charlie Brady - Uniform Cop (ep369)
- Charlie Hewson - Danny O'Toole (ep384)
- Charlie Matthes - Mr. Burns (ep401)
- Charlie Moss - Manny Trout (ep365)
- Charlie Pollock - Trial Prep Assistant (ep369)
- Charlie Sandlan - Detective Marlo (ep378)
- Chaz Mena - Itzhak Antonovich (ep218), Jerome Buli (ep343), Judge Mark Montaldo (ep429)
- Chaz McCormack - McInerny (ep1)
- Chazz Menendez - Agapito (ep351)
- Che Ayende - Principal Gordon Tamor (ep447)
- Che Landon - Annie (ep393)
- Chelsea Lagos - Kimberly Davis (ep202)
- Cherelle Cargill - Social Worker (ep358)
- Cherene Snow - Asst. Principal Jill Belson (ep293), Dr. Georgia Basik (ep412)
- Cheryl Adam - Wendy Berman (ep73)
- Cheryl Clifford - Amber Carr (ep175)
- Cheryl Gaysunas - Sally Gaines (ep306)
- Cheryl Lynn Bruce - Dr. Raphael (ep34)
- Chester A. Sims II - Jury Foreman (ep5), Court Clerk (ep41), Arraignment Court Clerk (ep56), Apellate Judge Gordon Humphrey (ep74), Judge Wayne Humphrey (ep102), Bartender (ep235), Oscar Hill (ep323)
- Chet Carlin - James Kendall (ep63), Mr. Wilkins (ep136)
- Chevi Colton - Dottie (ep183)
- Chevy Chase - Mitch Carroll (ep378)
- Chi Muoi Lo - Ming (ep288)
- Chiké Johnson - Eric Kroger (ep446)
- Chinasa Ogbuagu - Cecelia Jeffs (ep382), Dr. Theresa Burkhardt (ep440)
- Chip Brookes - Phil (ep411)
- Chip Persons - Roger Ellery (ep285)
- Chirstine Caleo - Jennifer (ep122)
- Chloe Cmarada - Allie (ep439)
- Chloe Sehr - Bailiff (ep440)
- Chloe Whiteford - Trisha Waylon (ep423)
- Chris Barnes - Uni #2 (ep352)
- Chris Beetem - Mark Tyner (ep189)
- Chris Ceraso - Manager (ep69), Allan DeLuca (ep114), Assistant M.E. (ep153), Rick Meyer (ep203), Fontova (ep456)
- Chris Chalk - Thomas Walker (ep323), Alfred Biso (ep362)
- Chris Clavelli - Sergeant Levinson (ep193), Carl (ep303), Saunders (ep350)
- Chris Daftsios - Bryce Collins (ep385)
- Chris de Oni - Rafalito (ep228), Harvey Ruiz (ep283)
- Chris Diamantopoulos - Chris Wilson (ep284)
- Chris Fischer - Uniform Policeman (ep258), Uniform Cop #2 (ep271), Detective #3 (ep338), Officer Cassidy (ep351)
- Chris Gardner - Jackson Hawthorne (ep259)
- Chris Henry Coffey - Bret Marks (ep248)
- Chris Kipiniak - Vlady (ep292)
- Chris Knowings - Brian Anders (ep251)
- Chris Lutkin - Agent Sykes (ep185)
- Chris Mazzilli - Gibbons (ep75), Jackson (ep113)
- Chris McGarry - CSU Tech (ep242), CSU Technician (ep273), Daniel Tracer (ep356)
- Chris McGinn - Mrs. Sheffield (ep94)
- Chris Messina - Tommy Bell (ep113), Kevin Turner (ep133), Don Cushman (ep293)
- Chris Orbach - Finkle (ep64), Jason (ep147), Augie (ep202)
- Chris Payne Gilbert - Ernie Salerno (ep262)
- Chris Stafford - Clint Ford (ep193)
- Chris Tardio - Officer Adam Brennan (ep293)
- Chris Walker - Bailey (ep96), CSU Tech Cummings (ep129), CSU Detective Cook (ep138)
- Christa Scott-Reed - Tina (ep341)
- Christian Anderson - Charlie Headlind (ep431)
- Christian Baskous - Mr. Pieper (ep138)
- Christian Borle - Tanto (ep244)
- Christian Castro - Ramiro Benitez (ep274)
- Christian Rummel - Marco Penzler (ep382)
- Christina Brucato - Monica Heath (ep270)
- Christina Denzinger - Sydelle (ep99)
- Christina Kirk - Jennice Morrow (ep438)
- Christine Bruno - Bethany (ep353)
- Christine Caleo - Reporter (ep176)
- Christine Danelson - Isabel (ep407)
- Christine Dunford - Reporter (ep7)
- Christine Evangelista - Lindsay Doyle (ep356), Adrian Hemmings (ep430)
- Christine Farrell - Forensics Technician Arlene Shrier
- Christine Jones - Stapleton (ep177)
- Christine Parks - Lyla (ep83), Rachel Tierney (ep110), Mrs. Trope (ep206)
- Christopher Benson Reed - Uniform Sergeant #2 (ep317)
- Christopher Bregman - Officer Jasper (ep204)
- Christopher Burns - Assistant M.E. Sullivan (ep250), Bill (ep408)
- Christopher Cantwell - McCaffey (ep98), Garrity (ep123), Coach Bates (ep429)
- Christopher Clavelli - CSU Helvering (ep127)
- Christopher Coucill - Vance Grodie (ep284)
- Christopher Davison - Bartender (ep343)
- Christopher Duva - Simon (ep257)
- Christopher Gabriel - Reporter #2 (ep160)
- Christopher Innvar - Elliot Gill (ep158), Gavin Lapeer (ep186)
- Christopher Juell - Abel Carrano (ep335)
- Christopher Koron - Owner (ep231)
- Christopher Kromer - Uniform Cop (ep374)
- Christopher LaPanta - E.M.T Arturo (ep390)
- Christopher Loomis Brown - Car Dealer (ep146)
- Christopher Lopez - Kid #1 (ep161)
- Christopher Marquette - Ricky (ep153)
- Christopher McHale - Sam Keeley (ep88)
- Christopher Michael Gerrard - Rap Producer (ep338)
- Christopher Misiano - Billy Spiros (ep80)
- Christopher Mixon - Paramedic (ep126)
- Christopher Orr - Randy Kush (ep221)
- Christopher Prizzi - Hazmat Adler (ep124), Liston (ep145)
- Christopher Rivaro - Marshall (ep357)
- Christopher Rubin - Reporter (ep3), CSU Technician (eps41, 104), CSU Tech Taft (ep56), Det. Samuels (ep78), Detective (ep118), Cashier (ep150), N.D. Policeman (ep162)
- Christopher Shand - Sean Worley (ep328)
- Christopher Wells - Peter Streim (ep228), Air Controller (ep247), Detective Arnie Spivack (ep291), Mark Clark (ep318), Roger Trent (ep374)
- Christopher Wynkoop - Corey (ep8), Bloom (ep85), Herbert Jaffe (ep126), Lou (ep210)
- Christy Baron - Deidre Livingston (ep332), Melina Fleming (ep396)
- Chuck Ardezzone - Court Clerk (ep281), Frank Sweeny (ep328)
- Chuck Bunting - Corrections Officer (ep233)
- Chuck Lewkowicz - Carl Starblenz (ep196), Butcher (ep254), Doorman (ep296)
- Chuck Low - Hyram Jenkins (ep176)
- Chuck Margiotta - O'Brien (ep30)
- Chuck Montgomery - Bob Gilsdorf (ep168), Gabe Rodgers (ep243)
- Chuck Patterson - Jack Greer (ep101), Jackson (ep126), Cutty (ep183), Ted Jones (ep219), Lester Harkins (ep263)
- Chuck Pfeifer - Kurt Jamison (ep171)
- Chuma Hunter-Gault - Jose Ramos (ep142)
- Ciarán Sheehan - Jason Steinfeld (ep208)
- Cindy Cheung - Liu Kang (ep427)
- Cindy Keiter - Jury Forewoman (ep455)
- Claiborne Cary - Judge Carol Bonelli (ep98)
- Claire Alpern - Secretary (ep244)
- Claire Beckman - Diane Farrow (ep120), Amanda Novak (ep179), Brenda Palmer (ep211)
- Claire Lautier - Officer Alice Cushman (ep293)
- Clare Hoak - Tina (ep212)
- Clark Carmichael - Court Clerk (ep372), Arraignment Court Clerk (ep390)
- Clark Huggins - CSU Tech (ep379)
- Clark Jackson - Assistant M.E. Peterson (ep250), Peter Harris (ep381), Sergeant Madden (ep427)
- Clark Middleton - Ellis
- Claudia DiMartino - Jury Foreman #1 (ep318)
- Claudia Fielding - Mrs. Trent (ep410)
- Clay Drinko - Stefan (ep413)
- Clayton Apgar - John Munson (ep444)
- Clayton LeBouef - Lawyer #1 (ep241)
- Clea Montville - Beth Milgram (ep47)
- Clebert Ford - Building Superintendent (ep55), Administrator (ep231)
- Clement Fowler - Wesley Bryne (ep31), Jack Hansen (ep88), Nathan Rosen (ep238), Old Man (ep368)
- Cliff Battuello - Francis Falmouth (ep138), Doug Kaye (ep173)
- Cliff Goulet - Jury Foreman (ep111)
- Cliff Jewell - Frank Williams (ep363)
- Cliff Weissman - Forrester (ep33), CSU Miller (ep60)
- Clifford David - Oswald Jackson (ep344)
- Cobey Mandarino - Computer Technician (ep363)
- Coco Barat - Hotel Manager (ep15)
- Cody Arens - Jackie Bender (ep194)
- Colby Chambers - Barry Aldman (ep449)
- Colby Minifie - Sarah (ep422)
- Cole Escola - Tim Johnson (ep437)
- Cole Hawkins - Son (ep265)
- Coleen Sexton - Elizabeth Torrino (ep227)
- Colin Fickes - Paul (ep251)
- Colin R. Fox - Peter Martin (ep29)
- Colin Stokes - Scott (ep273)
- Colleen Cowan - Sally Knox (ep24)
- Colleen Gallagher - Mrs. Lyttle (ep105)
- Colleen Quinn - Linda (ep4)
- Collins Pennie - Jimmy Gordon (ep317)
- Colman Domingo - Ronald Gumer (ep318), Donnie (ep417)
- Colton Parsons - Caleb Friendly (ep414)
- Conan McCarty - Ethan Floyd (ep123), Lt. Colonel Doug Denton (ep309), Judge Joe Tennenhoff (ep453)
- Connie Winston - Judge Shirley Taylor
- Conor Leslie - Eliza (ep456)
- Constance Barron - Marta Warner (ep294)
- Constance Boardman - Nurse Antonia Hsu (ep413)
- Constance James - Jury Foreperson (ep125)
- Cookie Rufino - Delgado (ep32), Tina Montoya (ep57)
- Cordell Clyde - Kenny (ep235)
- Cordell Stahl - Hopper (ep136), Michael (ep239)
- Cordis Heard - Mandy Lewis (ep192)
- Corinna May - Andee Mae Kahn (ep298), Natalie Packard (ep357)
- Corinne Colon - Bianca (ep370)
- Corinne Palermo - Clerk (ep418)
- Cornell Womack - Parole Officer (ep328)
- Cortez Nance Jr. - Mr. Carson (ep120), Harrison (ep232)
- Count Stovall - Hospital Officer (ep46), Mr. Laramie (ep132)
- Courtnie Beceiro - Courtney Garcia (ep265)
- Craig "muMs" Grant - Freddie (ep413)
- Craig Alan Edwards - Policeman #1 (ep159)
- Craig Bockhorn - Bartender (ep131), Jury Foreman (ep170), Jeffrey Karr (ep370)
- Craig Braun - Davey Reynolds (ep259)
- Craig Gass - Mark Grandy (ep266)
- Craig Geraghty - NJ State Trooper 2009 (ep440)
- Craig Lawlor - Billy Kilpatrick (ep173)
- Craig Mathers - Stuart Tarrington (ep356), Dean Savitsky (ep387)
- Craig Wroe - Harris Wollinsky (ep201)
- Creighton James - Greg Tanner (ep434)
- Cris D'Annunzio - Alan Bacon (ep371)
- Cristiana Andrews - Kristen (ep379)
- Cristina Duarte - Officer (ep360)
- Cromer - Marcus Cook (ep222)
- Crystal Field - Lawson (ep40), Vilma Litvak (ep230)
- Crystal Fox - Mancelli (ep247)
- Csexton79 - Nancy (ep306)
- Cullen O. Johnson - Koomar (ep31), Lang (ep113)
- Cullen Wheeler - Father Marino (ep173)
- Curran Connor - Ron Eisman (ep419)
- Currie Graham - Mitchell Burkitt (ep34)
- Curt Hostetter - Dr. Larry Koblin (ep112)
- Curt Karibalis - Judge Elmer Mann (ep292), Judge Warren Baxter (ep374)
- Curtis Mark Williams - Brad (ep263)
- Curtiss Cook - Darnell Marbury (ep284), Lucien Blair (ep419)
- Curzon Dobell - Alan Kirk (ep52), Judge Stock (ep375)
- Cynthia Belgrave - Librarian (ep2)
- Cynthia Darlow - Lisa Franklyn (ep96), Kay Jensen (ep146), Barkeeper (ep174), Ellen (ep300), Delores Vorgitch (ep380)
- Cynthia Vance - Joanna Jenkins (ep100)
- Cyrus Farmer - Detective Calvin Lowell (eep208)
- D.C. Benny - Ramirez (ep140)
- D.K. Bowser - Arthur Jackson (ep436)
- D.L. Shroder - Dr. Sefansky (ep122), Dr. Lavori (ep161), Dennis Burke (ep249)
- Dadi Pinero - Carillo (ep77)
- Daisy Hobbs - Jody Glass (ep279)
- Daisy Seda - Millie Vargas (ep366)
- Dajon Matthews Roach - Large Male Student (ep447)
- Dakota Anderson - Danny Otum (ep281)
- Dale Ho - Photo Clerk (ep272)
- Dale Soules - Agatha Jacobs (ep350)
- Damien Leake - Guard (ep8)
- Damon Chandler - Judge Allan Bonner (ep53)
- Damon DiMarco - Court Clerk (ep386)
- Damon Pooser - Angel #1 (ep2)
- Damon Saleem - Daryl Johnson (ep85)
- Dan Amboyer - Todd Barton (ep388)
- Dan Bittner - Jim Landy (ep444)
- Dan Da Silva - Barry Doherty (ep404)
- Dan Daily - Dr. Murray Berg (ep87), Doorman #1 (ep126), Geoffrey (ep432)
- Dan Domingues - Karl (ep455)
- Dan Karlok - Court Clerk (ep78)
- Dan Leonard - Jeff Cantwell (ep385)
- Dan Mason - Martin Ezell (ep218)
- Dan McCabe - Jay Gilbert (ep356)
- Dan Snook - Jim Sullivan (ep182), Tom Lane (ep299)
- Dana Morosini - Camilla (ep7)
- Dana Shiraki - Donna (ep412)
- Dana Smith Croll - Reporter #3 (ep163), Naomi Felder (ep237), Lindy Frome (ep324)
- Dana Vance - Jury Forewoman (ep81)
- Dane Elcar - Donnie (ep326)
- Dane Knell - Father O'Brien (ep173), Jim Bellows (ep351)
- Danelle Wilson - Yolanda (ep211)
- Dani Klein - Lori Wittingham (ep230)
- Dani Marco - Sarah (ep379)
- Daniel Abeles - Randy Colwyn (ep453)
- Daniel Ahearn - John Farrell (ep340), Detective Ostrover (ep361)
- Daniel Benzali - Medical Examiner (ep1)
- Daniel Blinkoff - Chris Ryan (ep171)
- Daniel Cameron Talbott - Bryce Moore (ep379)
- Daniel Cantor - David Levinson (ep319), Stan Murdoch (ep418)
- Daniel D'Amicol - Process Server (ep151)
- Daniel Dae Kim - Harry Watanabe (ep77)
- Daniel Farcher - Eric (Lear; ep431)
- Daniel G. O'Brien - Delray (ep370)
- Daniel Guggenheim - CSU Silvers (ep99)
- Daniel Hagan - EMS Tech Dixon (ep91)
- Daniel Henriquez - Primatevo 'Prim' Sanchez (ep368)
- Daniel Hilfer - Attendant (ep300)
- Daniel Hilt - Shorty (ep207)
- Daniel Joseph - Policeman #2 (ep250)
- Daniel Kash - Sal Franks (ep116)
- Daniel Kaufman - Uniform Policeman (ep244)
- Daniel Kenney - Bradley (ep3), Forensics Expert (ep18)
- Daniel Morgan Shelley - ESU Officer (ep383)
- Daniel Murray - Gilbert Sanderson (ep201)
- Daniel Pearce - Dr. Aaron Fine (ep187), Jacob Finestein (ep284)
- Daniel Saltzman - Martin (ep256)
- Daniel Sarnelli - Officer (ep300)
- Daniel Southern - Lieutenant Gilroy/IAB (ep198)
- Daniel Stewart Sherman - Deputy Robbie Linz (ep416)
- Daniel Sturges - Saunders (ep358)
- Daniel Tamberelli - Jeffrey (ep86)
- Daniel Whitner - Foreman (ep295)
- Daniel Zelman - Bruce Abelson (ep71)
- Daniel Ziskie - Captain Gene Sayres (ep192)
- Daniella Alonso - Daniella Alonso (ep287)
- Danielle Flora - Amanda Marvin (ep263)
- Danielle McKee - Prisoner (ep435)
- Danielle Rayne - Cathy (ep68)
- Danielle Skraastad - Rebecca Davies (ep439)
- Danny Boushebel - Man In Suit (ep417)
- Danny Deferrari - Nick (ep455)
- Danny Dennis - Al Webber (ep27), Counterman (ep281)
- Danny Downey - Waiter (ep442)
- Danny Gurwin - Douglas (ep345)
- Danny Maseng - Rabbi Dworkin (ep57), Consulate General for Israel (ep234)
- Danny Rockett - Court Clerk (eps424, 429)
- Danny Rutigliano - Hotel Manager (ep295)
- Danny Zorn - Joel Holder (ep30)
- Dante E. Clark - Edison Treadwell (ep447)
- Dante Mercadante. Stock Broker (ep405)
- Dante Salerno - Jackson (ep190)
- Danton Stone - Jack Wilderman (ep119)
- Daoud Heidami - Driver (ep335), Senior Diplomat (ep425)
- Darci Picoult - Mrs. Cuneo (ep105)
- Darcy Pulliam - Mrs. Platt (ep281)
- Dared Wright - Clerk (ep417)
- Daren Kelly - Dr. Kerner (ep161), Bob Levinson (ep273)
- Darian Dauchan - Man in Gallery (ep398)
- Darien Sills-Evans - Cyrus (ep41), Young Male A.D.A. (ep409)
- Darin De Paul - Foreperson (ep297)
- Dariush Kashani - Howard Spencer (ep275)
- Darlene Violette - Book Groupie (ep321), Jury Foreperson (ep381)
- Darrell Carey - Ricky Carter (ep193)
- Darrell Larson - Mark Lehmann (ep138), Arnold Barker (ep325)
- Darren Matthias - Arnold Sanford (ep280), August Wilke (ep370)
- Darrin Baker - John Abbott (ep175), Steve Stark (ep223), Detective Lou Cavello (ep423)
- Daryl Wein - Chaz Bailey (ep393)
- Daryl Williams - Spectator #2 (ep412)
- Dave Bachman - Judge Stanley Woods (ep385), Contruction Foreman (ep412)
- Dave Bowden - Uni (ep373)
- David A. Carlson - Backus (ep141)
- David A. White - Uniform (ep201)
- David Adkins - Dr. Lesser (ep184), Williamson (ep315)
- David Alan Novak - Gramm (ep227)
- David Anzuelo - Machada (ep148), Pablo Cruz (ep219), Fernando Vercal (ep247), Stefano Granados (ep334)
- David Arden Engel - Charles Dillon (ep381)
- David B. Heuvelman - Warren Crawford (ep316)
- David B. McConeghey - Grimes (ep122), Judge Henry Fisk (ep180), Paul Zwybel (ep272)
- David Bailey - "Allan" Rohmer (ep45), Ned Cheron (ep199)
- David Barroso - Hernandez (ep296)
- David Beach - Gemprint Tech (ep238), Bill Hogan (ep421)
- David Breitbarth - Jim Maynard (ep56)
- David Brisbin - Dr. Bennett (ep5)
- David Brummel - Pollard (ep143), Kyle Bryant (ep216), Trial Judge Gus Stamos (eps313, 325)
- David Bryant - Reporter #1 (ep134)
- David Burke - Gary Burnham (ep30)
- David Butler - Captain Duff (ep227)
- David Cale - Lee Kendrick (ep427)
- David Cryer - Arraignment Court Judge M. Kleinman (ep16), Judge Rowan (ep33)
- David Derek Rogers - Ibrahim (ep229)
- David Diaz - Tech Guy (ep330)
- David Dollase - Judge Laurence Strasnick (ep383)
- David Dossey - Willie (ep185)
- David Drake - Voorman (ep34), Mr. Aldrich (ep257), Herbert Wiggins (ep397)
- David E. Cruz - Victor (ep246)
- David E. Rhee - Daniel Kim (ep329)
- David E. Weinberg - Policeman #1 (ep2), Policeman #1 (ep8)
- David Edward Jones - Belknap (ep4), Ken Shepski (ep96), Mr. Hastings (ep120), Hobbs (ep134), Police Officer (ep158)
- David Ellzey - Donald Cox (ep156)
- David Eye - First CSU (ep212)
- David Fairhurst - Lab Technician #2 (ep232)
- David Forsyth - Congressman Jonathan Prescott (ep369)
- David Gregory - Mr. Harvey Stocker (ep417)
- David H. Kramer - White Guy (ep83), Court Clerk (ep97)
- David Harris - Eddie Robinson (ep454)
- David Haugen - Jenner (ep129)
- David Healy - Mr. Reynolds (ep141), Lawrence Garrett (ep223)
- David Heuvelman - Robert Murphy (ep198)
- David Jung - Jackson (ep202), ER Doctor (ep206)
- David Kener - Stan Cohn (ep63), Ralston (ep151), Patrick Sinclair (ep190)
- David L. King - Reporter #1 (ep11)
- David L. Townsend - M.E. Wilson (ep373)
- David Langston Smyrl - Artie Dickson (ep183)
- David Lavine - Process Server (ep417)
- David Ledingham - Trevor Ainsley (ep370)
- David Lenthall - Mike Bledsoe (ep272)
- David Lipman - Judge Moodie (ep41), Arraignment Judge Morris Torledsky
- David López - Leon (ep81)
- David MacDonald - Mickey (ep30)
- David Maley - First IAB Detective (ep198)
- David Marantz - Principal Kenworthy (ep373)
- David Matalon - Brent Spencer (ep221)
- David Matranga - Peter Giggs (ep387)
- David McCann - Booth (ep219)
- David Mcdonald - Maitre d' (ep310)
- David Medina - Rafael (ep55), Pablo (ep333), Vernon Clayton (ep451)
- David Mucci - Joe Miller (ep216)
- David Newer - Sergeant (eps252, 264), Clerk (ep406)
- David Phillips - Phil Vaughn (ep103)
- David Pittu - Walsh (ep90)
- David Rainey - Richard Howard (ep124), Assistant M.E. (ep135)
- David Raymond Wagner - CSU Technician (ep175), Evan Pabst (ep261), Petty Officer (ep295), Lt. Duffy (ep354)
- David Rosenbaum - Judge Alan Berman
- David Ross - Kira/Tolstonog (ep204), Security Guard (ep390)
- David Rossmer - Lester Cook (ep371)
- David Roya - Derek Johnson (ep211), Marty Blatt (ep253), Pablo Montoya (ep291)
- David S. Howard - Union Speaker (ep44), Mr. Koblin (ep46), Mr. Morris (ep158)
- David Sajadi - Uniform Policeman (ep251), Uniform Police Officer (ep272), Uniform Officer (ep316), Uni (ep342), Uni #3 (ep356), Hospitol Uniform Cop (ep376)
- David Schechter - Dirk Chesney (ep62)
- David Sharp - Hurley (ep8)
- David Shuman - Court Clerk (ep153)
- David Shumbris - Officer #1 (ep277), Boston Red Sox Fan (ep349), Lloyd Savitsky (ep377), Mike Adams (ep427), Steve (ep441)
- David Skeist - Sidekick (ep405)
- David Smyrl - George Warner (ep24)
- David St. Louis - Mark Hamilton (ep305)
- David Toney - Fred Zarkin (ep191), Ian Wrightsman (ep314)
- David Van Pelt - Neil Gilroy (ep358)
- David W. Butler - Detective Reilly (ep42), Howard Rumsfeld (ep280)
- David Wayne Britton - Tyrell Young (ep370)
- David Wissak - John Wheeler (ep115)
- David Wolos-Fonteno - Coach (ep17), Gavin McCrea (ep60), Jimmy Graves (ep85), CSU Tech Murray (ep115)
- Davio Dakotablu - Jury Foreperson (ep243)
- Dawn Young - Crying Woman (ep206)
- Dayton Callie - Monaghan (ep8)
- Dean Auer - White Guy (ep397)
- Dean Iandoli - Finkle (ep15)
- Dean Nolen - Dan Enright (ep318)
- Dean Wareham - Ken Cramer (ep302)
- DeAnn Mears - Judge Maria Gance
- Deanne Mencher - Sylvia Felder (ep206)
- Debargo Sanyal - Atul (ep408)
- Deborah Cresswell - Martha Robertson (ep182), Paula Dunbar (ep227)
- Deborah Genninger - Joan Renkmeyer (ep88)
- Deborah Hazlett - Parker (ep248), Allison Wyatt (ep353)
- Deborah LaCoy - Loretta Mason (ep161), Rita Gale (ep341)
- Deborah Lee Johnson - Patsy (ep109)
- Deborah Tranelli - Deborah Tranelli (ep103)
- Deborah White - Francine Hughes (ep39)
- Debra Niewald - Inga Torvald (ep88)
- Debra Reissen - Maryann Thompson (ep52)
- Debra Stricklin - Alicia Heslin (ep6)
- Debra Wiseman - Bank Officer (ep313)
- Debrah Ellen Waller - Nell (ep209), Alicia Williams (ep266)
- Dee Pelletier - Mother #1 (ep251)
- Deema Aitken - Student (ep456)
- Deirdre Boddie-Henderson - Anita (ep103)
- Deirdre Lovejoy - Judith Crockit (ep96), C.S.U. Technician (ep158)
- Deirdre Madigan - Mrs. Goode (ep279), Patrika (ep324)
- Deja Kreutzberg - Emily Milius (ep287)
- Delaine Yates - Susan Bauer (ep122), Susan Ashman (ep288)
- Delilah Cotto - Maria (ep113)
- Delissa Reynolds - Chesley Purcell (ep195), Mrs. Thomas (ep268)
- Delores Mitchel - Neighbor (ep248)
- Denia Brache - Isabel (ep150), Elyssa Fuegos (ep209)
- Denise Bessette - Mrs. Kendrick (ep220)
- Denise Burse - ER Nurse #2 (ep54), Sarah Chase (ep193)
- Denise Casano - Young Woman (ep144)
- Denise Crovetti - E.M.T. (ep450)
- Denise Lute - Cindy Erlich (ep165), Marie Steffano (ep217), Karla Keih (ep364)
- Denise Rogers - Cobb (ep76)
- Denise Wilbanks - Brenda (ep187)
- Dennis Hall - David Carter (ep419)
- Dennis Higgins - Uniform Officer (ep273)
- Dennis Kelly - Congressman Maxwell (ep170)
- Dennis O'Neill - Asst. D.A. (ep381)
- Dennis Paladino - Super (ep241), Sal Sr. (ep272)
- Dennis Parlato - Randolph McGinnis (ep368)
- Dennis Rees - Lawyer (ep243)
- Dennis Ryan - Lloyd Novak (ep179)
- Dennis Staroselsky - P.O. Dwayne Garber (ep450)
- Dennis T. Pressey - Frauds Detective (ep252), Nzuri Addo (ep327)
- Dennis Z. Gagomiros - Jeff (ep295)
- Denny Bess - Billy Finn (ep286)
- Dep Kirkland - Eric Lorca (ep219)
- Dequan Henderson - Cox (ep317), Robert Murray (ep364)
- Derek Argobright - CSU Tech Mahoney (ep278), Policeman #2 (ep299)
- Derek Lucci - Dr. Michael Covington (ep381), AUSA Neil Tyler (ep420)
- Derek Michalak - Investigator (ep347)
- Derek Milman - Saul Cooper (ep441)
- Derek Richardson - Brad Wilder (ep222)
- Derrick Demetrius Parker - Wallace Roney (ep204)
- Desmond Curran - Armed Man (ep191)
- Devin Doherty - Rick Niels (ep120)
- Devin Haqq - CSU Tech (ep377)
- Diana Agostini - Amy Dolan (ep352)
- Diana Henry - Cindy (ep115), Sheila Luterik (ep218), Mrs. Rubin (ep315), Liz Prather (ep383), Alyssa Brady (ep454)
- Diana LaMar - Receptionist (ep151)
- Diana Ruppe - Mel (ep250), Sarah Dooley (ep387)
- Diane Ciesla - Victoria Elam (ep373)
- Diane Cossa - Ms. Conroy (ep157), Susan Brandees (ep259), Arraignment Judge Valentini (ep341)
- Diane Davis - Beth Ritchie (ep102)
- Diane DiLascio - Sharon Carmichael (ep69)
- Diane Findlay - Myrtis (ep126)
- Diane Martella - Marianne Sharp (ep353)
- Diane Salinger - Eugenia Rawlings (ep9)
- Diane Tyler - Fran Melton (ep38), CSU Tech. Carlotta (ep106), Dr. Stanley (ep133), Mrs. Vogel (ep269), Tamara Fein (ep308)
- Dick Briglia - Faruhk Hakim (ep257)
- Dick Roberts - Chief Tribunal Attorney (ep80)
- Dick Seltzer - Eisenstein (ep33)
- Dicky Fine - Perkles (ep136)
- Diego López - Eduardo Gomez (ep317)
- Dillon Wooley - Nick Kowalski (ep318)
- Dimitri Christy - Driver (ep201), William Thrall (ep261)
- Dina Pearlman - Ruth Gottlieb (ep154), Sybil (ep303)
- Dion Graham - Smith (ep189), Ron Hamilton (ep308), Principal Ron Hill (ep388)
- Dion Mucciacito - Todd Babbage (ep423)
- Divina Cook - Miriam Gomez (ep40), Mrs. Galvez (ep135), Marta Liriano (ep165), Reina Montez (ep224)
- Doan Ly - Dr. Georgia Sloan (ep441)
- Doc Dougherty - Sergeant Kaufman (ep198)
- Dolores Sutton - Bettyann Waller (ep22)
- Domenick Lombardozzi - Jason Vitone (ep202)
- Dominic Chianese Jr. - Bobby Ward (ep208)
- Dominic Colón - Ignacio (ep401)
- Dominic Inzana - Thruway Clerk (ep342)
- Dominic Marcus - CSU Det. Bracken (ep140), Officer Keller (ep197), Lt. David Fernandez (ep222), Uniform Sergeant #2 (ep257), Policeman #1 (ep299)
- Dominique Deverau - Julie (ep317)
- Don Amendolia - Gregory Finney (ep331)
- Don Bovingloh - Douglas Siberman (ep284)
- Don Clark Williams - Father #2 (ep251), Daniels (ep326)
- Don Creech - Nikolai Rostov (ep88), Carl Thurston (ep149), Tony Smith (ep203)
- Don Hewitt - Bus Driver (ep86), Russell Schaeffer (ep153)
- Don Leslie - Louis Farb (ep216)
- Don Peoples - Hecht (ep19), Art Koslow (ep76)
- Don Puglisi - Ted (ep322)
- Don Sparks - ADA Lawrence Donato (ep241), CSU Tech Dill (eps311, 326), James Kelvin (ep410)
- Don Stephenson - CSU Tech (ep229), Attorney #1 (ep257), Greg Hightower (ep376), Don Morgan (ep446)
- Don Stitt - Victor (ep331)
- Donald Christopher - Doctor (ep152), Doorman (ep164)
- Donald Corren - Carl Dibbs (ep31), Ezra Stine (ep32), Medill
- Donald Grody - Judge David Wilcox (ep193)
- Donald Tango - Jury Foreman (ep121)
- Donald Warfield - Ray King (ep243)
- Donna Blaszczyk - Nikki Hale (ep380)
- Donna Davis - Eileen Lerner (ep196)
- Donna Haley - Reporter (ep17), Reporter #1 (eps22, 44)
- Donna Jean Fogel - Pauley (ep89), Slattery (ep113)
- Donna Lynne Champlin - CSU Det. Halpern (ep397), Sergeant Angelyne Robinson (ep446)
- Donna Marrazzo - Jury Foreperson (ep326)
- Donna Mitchell - Susan Parker (ep103)
- Donna Serrano - Donna (Party Girl) (ep377)
- Donna Villella - CSU Technician Donna Richter (ep186)
- DonnaMarie Recco - Melanie Daniels (ep220)
- Donnell Rawlings - Etienne (ep190)
- Donnetta Lavinia Grays - Delia Snow (ep454)
- Donté Bonner - Uni Cop (ep430)
- Dorcas Johnson - Port Authority Policewoman (ep221), Edie Claire (ep248)
- Dorcas M. Johnson - Female Uniformed Officer (ep265)
- Doreen Montalvo - Marita (ep362)
- Dorian Spencer - Andre (ep262)
- Doris Skisdopolus - Foreperson (ep344)
- Dorothy Lyman - Judge Dorothy Carr (ep437)
- Doug Barron - Robert (ep68), Richard Crane (ep224)
- Doug Bellitto - Court Clerk (eps371, 381)
- Doug Olear - Craig (ep356)
- Doug Stender - Huston (ep29), Judge Joseph Flint
- Doug Yasuda - Ji-Hoon Pack (ep294)
- Douglas Dickerman - Man #1 (ep375)
- Douglas J. Aguirre - Court Officer (ep296)
- Douglas McInnis - Second Policeman (ep206), Uniform Officer #1 (ep314)
- Douglas MacHugh - Anthony Jackson (ep199)
- Douglas Wert - Detective Tom Remington (ep253)
- Dov Davidoff - Darrell Dennehy (ep361)
- Dreama Walker - Nicole Carlotti (ep379)
- Drenda Spohnholtz - Theresa Green (ep166)
- Drew McVety - Clerk (ep344)
- Drew Militano - Court Clerk (ep87, 144), Court Clerk #1 (ep112)
- Drew Starlin - Alex Brown (ep203)
- Drucie McDaniel - Patricia Clark (ep320)
- Duane Noch - Oliver Peltz (ep215)
- Duke Stroud - Hurley (ep18), Technician (ep19)
- Dupré Kelly - Two-Tone (ep139)
- Dustin Evans - Paramedic (ep116), Foreman (ep201)
- Dustin Felder - Lionel Kendry (ep193), Evan Bruce (ep252)
- Dustin Sullivan - Stablehand (ep347)
- David C. Harman - CPW Policeman #2 (ep206)
- Dwandra Nickole - Doris Clay (ep189)
- Dwayne Grayman - Driver (ep314)
- Dwayne McClary - Jones (ep2)
- Dylan Chalfy - Sean Tyler (ep203), Defense Attorney Stanley Webber (eps390, 412)
- Dylan Haggerty - Roger Glenn (ep25)
- Dylan Hartigan - Donnie Waxman (ep404)
- Dyron Holmes - Issac Alvarez (ep178), Carter Newton (ep280)
- E. Patrick Corbett - Bartender (ep234)
- E.J. Carroll - Officer Fenwick (ep183), Vince Ellis (ep252), Kevin Bracken (eps278, 325)
- Eamon Foley - Kid #2 (ep406)
- Ean Sheehy - Arliss Driver (ep351)
- Earl Baker Jr. - Kevin Dodd (ep217)
- Ebony J Lewis - Crime Blue Light Inspector (ep433)
- Ebony Jo-Ann - Rosemary (ep59), Vondie Morris (ep209)
- Ebrahim Jaffer - Imam Adiani (ep360)
- Echo Allen - Waitress (ep115)
- Ed Bogdanowicz - ESU Sergeant (ep257), ESU Team Leader (ep277), ESU (eps330, 362), ESU Officer (ep349)
- Ed Hodson - Lab Technician Marks, Forensic Technician (ep133), Judge Wendell Kessler
- Ed Jewett - Restaurant Manager (ep329), Bendel (ep456)
- Ed Jupp Jr. - Wadsworth (ep34), Fernald (ep90), Marvin Jacobs (ep128)
- Ed Kalegi - Suspended Teacher (ep456)
- Ed Kershen - Robert Kort (ep140), Krasky (ep190), Wilson Parker (ep250)
- Ed Kovens - Ed Zakaris (ep25)
- Ed Moran - General Barrett (ep377), Carl Nolan (ep415)
- Ed Sala - Cronstadt (ep239)
- Ed Setrakian - Hoffman (ep1), Al Golden (ep107), Judge Patrick O'Hara (ep167)
- Ed Trucco - Paramedic #2 (ep116), Manning (ep254)
- Ed Vassallo - Sam (ep291), Sonny Rodino (ep315), John Lee Foster (ep391)
- Ed Wheeler - David (ep41), Duane Johnson (ep109), John Cromwell (ep145), Reverend Jared Young (ep193), Carl Dunston (ep269), Matt Sturges (ep321)
- Eda Seasongood - Helen Neven (ep34)
- Eddie Alderson - Todd (ep421)
- Eddie Aldridge - Eldridge (ep143)
- Eddie Korbich - O'Malley (ep41)
- Eddie Malavarca - Sergeant Chadway (ep330)
- Eddie Marrero - Court Officer Sergeant (ep328), Clerk (ep336)
- Eddie Martinez - Luis (ep342)
- Eddie McGee - Sgt. Hayes (ep377)
- Edelen McWilliams - Morgan's Mom (ep456)
- Eden Espinosa - Mia Alvarez (ep380)
- Eden Riegel - Natalie (ep152)
- Eden Rountree - Hostess (ep267)
- Edgar Jimz - Court Officer/NYSC (ep418), Detective/NYPD (ep423), ESU Officer/Point Man (ep436)
- Edmund Davys - Front Desk Manager (ep172)
- Edmund Lyndeck - Howard Eastman (ep255)
- Edmund Wilkinson - Albert "Lucky" Martin (ep202), Joe Borelli (ep304), Nick Barczak (ep371)
- Edoardo Ballerini - David Vilardi (ep107)
- Edouard DeSoto - Sanchez (ep40), Avila (ep88), Sal Munoz (ep121)
- Edward A. Haji - Imam (ep277)
- Edward Cannan - Bailiff (ep38), CSU Tech Atwood (ep152)
- Edward D. Murphy - Foreman (ep19), Medic (ep39), CSU Tech Wheeler (ep60), Matson (ep76), Mike Quinn (ep92), Sgt. Jeff DePaul (ep110), CSU Tech Bailey (ep120), Lieutenant (eps139, 200), Parole Board Member (ep152), Duncan (ep181), CSU Tech Murphy (ep204), Prospective Male Juror (ep217)
- Edward Furs - Cabbie (ep133)
- Edward J. Moore - Barry Unger (ep106)
- Edward James Hyland - McCreary (ep37), Stan Shatenstein (ep99), Gorian (ep141), Donald Burton (ep213), Victor Drayson (ep279), Limo Driver (ep340)
- Edward Lally - Elliot Reynolds (ep44), Mr. Reich (ep117)
- Edward M. Kelahan - CSU (ep420)
- Edward Seamon - Conrad (ep5), Max Calahan (ep53), Ernest Hobson (ep99)
- Edwin Gonzalez - Uniform Officer (ep274)
- Edwin J. Birmingham - ESU Team Leader (ep410)
- Edwin Lee Gibson - Ben Robinson (ep454)
- Edwin McDonough - Harold De Groot (ep193), Patrik Collin (ep254)
- Edwin Owens - Chief Burke (ep27), Robbins (ep72)
- Edwin Sean Patterson - Maurice Russell (ep200), Bob Webb (ep299)
- Edwin Sherin - Chief Justice (ep229)
- Edwina Findley - Ali Hargis (ep376), Detective Jasmine Burton (ep428)
- Edwina Lewis - Angela Otten (ep17)
- Edye Byrde - Johnson (ep10)
- Eileen Galindo - Nanny #1 (ep95)
- Eileen Lawless - Karen Alston (ep156)
- Eileen Letchworth - Mrs. Schumacher (ep286)
- Eileen Rivera - Nurse (ep143)
- Eisa Davis - Erica Yelin (ep225), A.D.A. (ep277)
- Elain Graham - Corrine Casik (ep140), Professor Vivian Gage (ep224)
- Elaine Hyman - Hilda Kapovic (ep267)
- Elaina Erika Davis - Claudia (ep229)
- Elaine Bromka - Secretary (ep19), Mrs. De Santis (ep85), Senior A.D.A. Arlene Wolensky (ep199)
- Elaine Eldredge - Mildred Bauer (ep77)
- Elaine Hyman - Matilde Schweidenback (ep356)
- Elaine Tse - Joyce Lee (ep126), Dr. Chen (ep141)
- Elba Sette-Camara - Clerk (ep441)
- Eldon Thiele - Wayne (ep336)
- Eleanor Hutchins - Sheryl (ep336)
- Eli Ganias - Detective Ristelli (ep333), Clerk (eps403, 415)
- Elijah J. Harris - Mohammed (ep355)
- Elisa Pugliese - Secretary (ep277)
- Elisabeth Waterston - Penny Rollins (ep227)
- Elise Neal - Charlayne Ward (ep40)
- Elise Stone - Gail (ep68)
- Eliyas Qureshi - Indian Man (ep335)
- Eliza Bullock - Julia Courtland (ep433)
- Eliza Clark - Courtney Tyler (ep218)
- Eliza Foss - Kay Chappelle (ep242), Alexis Kendall (ep382)
- Eliza Rubin - Gina Peters (ep66)
- Elizabeth Ann Howell - Lois Talbot (ep323)
- Elizabeth Ann Townsend - Anne Maney (ep97), Newscaster (ep150)
- Elizabeth Benedict - Reporter #1 (ep50)
- Elizabeth Bove - Sally Birke (ep55)
- Elizabeth Canavan - Kate Porter (ep304), Lily Walker (ep373)
- Elizabeth Chiang - Woman (ep314)
- Elizabeth Elson - Old Woman (ep346)
- Elizabeth Flax - Paramedic (ep93), C. Tierney (ep214), Vanessa (ep270)
- Elizabeth Fountain - Adrienne Harding (ep381)
- Elizabeth Hanly Rice - Michelle Ashford (ep186)
- Elizabeth Hess - Janice Trainor (ep236), Valerie Montgomery (ep335)
- Elizabeth Kemp - Laila Jacobs (ep251), Debbie Grimes (ep306)
- Elizabeth Loyacano - Emily (ep448)
- Elizabeth Lundberg - Callie Newton (ep359)
- Elizabeth Martin - Mrs. Forester (ep187), Store Manager (ep234)
- Elizabeth Regen - Valerie Mankowitz (ep245)
- Elizabeth Rich - Woman in Gallery (ep409), Paramedic Larson (ep451)
- Elizabeth Roby - Julie (ep276)
- Elizabeth Swackhamer - Reporter #2 (ep11), Felicia Jennings (ep70)
- Elizabeth Van Dyke - Lenore (ep99), Sheryll Scruggs (ep143)
- Ella Rae Peck - Zoe Morgan (ep446)
- Ellen Barber - Jury Foreperson (ep328)
- Ellen Blake - Ruth Zona (ep352)
- Ellen David - Mrs. Koven (ep297)
- Ellen Lancaster - Alice Weiss (ep82), Lois Garey (ep166), Rana Whitman (ep229)
- Ellen McElduff - Lacey Martini (ep283)
- Ellen Reilly - Spectator (ep353)
- Ellen Tobie - Marge Cragen (ep22), Priscilla Bench (ep83), Mrs. Poletti (ep146), Phyllis Howard (ep180)
- Ellen Whyte - Harriet Curren (ep97), Nurse Delong (ep156)
- Ellen Zachos - Jury Forewoman (ep162)
- Ellie Dvorkin - Karen (ep254), Production Assistant (ep369)
- Elliot Cuker - Al Schmidt (ep176), Alan Stein (ep312)
- Elliot Korte - David Kendall (ep398)
- Elliot Santiago - Jose (ep351)
- Elliot Villar - Oscar Silva (ep451)
- Elliott Mayer - Road Warrior (ep402)
- Elliott Merck - Foreman (ep370)
- Ellis Williams - Ray Bell (ep13)
- Elvis O. Nolasco - Dennis (ep116)
- Elyse Knight - Galina Krylov (ep205)
- Emilio Del Pozo - Judge John Sierra (eps128, 136), Doorman #1 (ep170), Tony (ep222), Garcia (ep303), Father Salas (ep364)
- Emilio Delgado - Elias Soriano (ep224)
- Emily Colt - Cheryl Reynolds (ep141)
- Emily Dorsch - Sofia Cameron (ep408)
- Emily Frankovich - Betsy (ep288)
- Emily Karaniewsky - Crime Investigator (ep422)
- Emily Loesser - Cathy Morgan (ep446)
- Emily Richardson - Kid #3 (ep407)
- Emily Zacharias - Diane Nordahl (ep217), Emily (ep320)
- Emma Bell - Kirsten Paley (ep384)
- Emma Tammi - Alison Ryder (ep36)
- Emmanuel Xuereb - Amos Brady (ep117)
- Enrico Colantoni - Ron Blocker (ep80)
- Enrique Chicas - Crime Scene Unit (ep386)
- Enrique Muñoz - Nicky Guzman (ep18)
- Ephraim Benton - Thug (ep284), Leshawn Muncie (ep348)
- Eric Christie - Customs Officer (ep335)
- Eric D. Hoffmann - Albie Sullivan (ep313)
- Eric Dean Scott - Serge (ep266)
- Eric Deskin - Jury Foreperson (ep438)
- Eric Dysart - Sybil (ep417)
- Erik Frandsen - Kirby (ep427)
- Eric L. Abrams - School Safety Cop (ep363), Trooper Alfonzo (ep456)
- Eric Leviton - Bainbridge (ep420)
- Eric Marseglia - Mounted Policeman #1 (ep126)
- Eric McLendon - Robert DuBois (ep332)
- Eric Michael Gillett - Danny Johnson (ep250), Judge Thomas South (ep433)
- Eric Miller - Hospital Uniform (ep380)
- Eric Morace - Corrections Officer Alfonso Ruiz (ep380)
- Eric Nelsen - Brandon Doherty (ep404)
- Eric Payne - Boswell (ep15), Rick Bolden (ep108)
- Eric Petersen - Anderson Leavitt (ep451)
- Eric R. Moreland - Nicholls (ep177)
- Eric Saiet - Bruce Mayhill (ep391), Jim Walcott (ep422)
- Eric Seltzer - Driver (ep266)
- Eric Storjohann - Clerk (ep373), Arraignment Clerk (ep384)
- Eric Sutton - Sergeant Pat Mallory (ep414)
- Eric William Morris - Luke Thornton (ep388)
- Eric Zuckerman - Manager (ep391), Bryan Gionna (ep441)
- Erica Berg - Joy Johnson (ep437)
- Erica Gimpel - Templeton (ep79)
- Erica N. Tazel - Receptionist (ep293)
- Erica Newhouse - Amy (ep433)
- Ericka Kreutz - Receptionist (ep408)
- Erik Casanova - Gang Member #2 (ep354)
- Erik Jensen - Joey Springfield (ep90)
- Erik LaRay Harvey - Marty Pine (ep96), Off. Anthony Loomis (ep171)
- Erik Lochtefeld - Cropley (ep353)
- Erik Solky - Second Jewish Man (ep360)
- Erika Greene - Erika Greene (ep131)
- Erika Rolfsrud - Carla (ep373), Detective Penny Miller (ep435)
- Erin Buckley - Jane (ep384)
- Erin Cardillo - Jenny (ep260)
- Erin Cherry - Susan (ep340)
- Erin Cohen - Miss Stadler (ep134)
- Erin Dilly - Emily (ep241)
- Erin Rakow - Gabbie Lang (ep207)
- Ernest Mingione - Uniformed Sergeant (ep262), Sergeant Butters (ep315)
- Ernestine Jackson - Vanessa Petrie (ep84)
- Erol Landis - Tom Stenberg (ep92)
- Eron Otcasek - Zach Graff (ep280)
- Esau Pritchett - Parole Officer Leon Mooney (ep338), Sgt. Turley (ep398)
- Esteban Fernández - CSU Technician (ep111)
- Estelle Harris - Mrs. Rachlin (ep42)
- Ethan Aronoff - Police Officer (ep358)
- Ethan Phillips - Mark Hauser (ep50)
- Eugene Anthony - Murphy (ep56)
- Eugene Byrd - Tonel Otten (ep17)
- Eugene Troobnick - Medical Examiner (ep9)
- Eunice Wong - Denise Lu (ep319)
- Europe Harmon - Reggie Clanton (ep168), Greg Hogan (ep330)
- Eva Donia Silver-Smith - Janey Morrell (ep150)
- Eva Kaminsky - Gretchen Goldsmith (ep314), M.E. Flax (ep351)
- Eva Lowe - Patricia Oster (ep99)
- Evan Enderle - Jonah Leland (ep438)
- Evan Katz - Jake Hansen (ep207)
- Evan Lubeck - Richard 'The Bomb' Condell (ep379)
- Evan Neumann - Noah Stadler (ep261)
- Evan Thompson - Arthur Forester (ep221)
- Evelyn Caballero - Liz Shollar (ep261)
- Evy O'Rourke - Ashley Hagen (ep282)
- Eyalan Owona - Jaden Turner (ep454)
- Ezra Barnes - Justin McKenzie (ep203), Howard (ep405), Mark Beck (ep445)
- Ezra Knight - Ray Dalton (ep199), Tyler Epps (eps210, 269), Judge Sidney Everett
- F.X. Vitolo - Detective Fenton (eps5, 16)
- Faith Prince - Tracy Stark (ep5)
- Fajer Al-Kaisi - Building Super (ep446)
- Fanni Green - Mrs. Rowland (ep94)
- Faran Tahir - Mr. Khan (ep70)
- Faryn Einhorn - Trisha Summers (ep390)
- Fatima Faloye - Keisha White (ep59)
- Fay Ann Lee - Ms. Wen (ep397)
- Fay Wolf - Carla Burns (ep255)
- Felecia Bell Schafer - Dr. Maggie Havens (ep382)
- Felice Yeh - Detective #1 (ep299)
- Felicia Wilson - Sherelle (ep148), Felicia Johnson (ep192)
- Felicity Jones - Louise Heath (ep382), Defense Attorney Glynnis Pelter (eps416, 453)
- Felicity LaFortune - Dr. Liz Alden (ep230)
- Felipe Gorostiza - Gilberto Acosta (ep32)
- Fermín Suárez - Father #3 (ep251)
- Fernando Bulaon Jr. - Reporter (ep425)
- Fia Porter - Betty Ann Carter (ep45)
- Fiana Toibin - Grazinya (ep421)
- Fidel Vicioso - Gang Member #3 (ep354)
- Fidias Reyes - Gail (ep283)
- Fil Formicola - Vincent Dosso (ep98), Robertson (ep143), Anson Scott (ep208)
- Finnerty Steeves - Nora Adams (ep304), Patty the Secretary (ep385), Darlene Evans (ep446)
- Fiona Gallagher - Sheila Mullins (ep156), Ella Munsen (ep410)
- Firdous Bamji - Dr. Naim (ep216)
- Flaco Navaja - Teddy Gullo (ep372)
- Fletcher McTaggart - Dr. David Rooker (ep384), Barry Casey (ep453)
- Flint Beverage - Deputy (ep418)
- Flora Diaz - Kristin Saunders (ep388)
- Flora Martínez - Tina (ep296)
- Florence Anglin - Mrs. Pinsker (ep51), Marcy (ep124)
- Floyd Resnick - Sergeant (ep234)
- Floyd Vivino - Newman (ep56), Building Super (ep95)
- Fly Williams - Jimmy (ep254)
- Fracaswell Hyman - Laneer (ep13)
- Fran Brill - Maureen Donovan (ep404)
- Fran Lebowitz - Judge Janis Goldberg
- Fran McGee - Eileen Hobbs (ep266)
- Fran Rizzo - Mrs. O'Connor (ep70)
- Frances Chaney - Mrs. Siddons (ep40), Amelia Whitney (ep70)
- Frances Foster - Mary Tillar (ep59)
- Frances Turner - Nurse Byrd (ep382)
- Francesca Carlin - Elizabeth Fong (ep203), Maggie (ep210)
- Francesca Faridany - Betsy Braun (ep225)
- Francine Beers - Arraignment Judge Janis Silver
- Francis Guinan - Jed Coles (ep3)
- Francis Jue - Dr. Halberton (ep453)
- Frank Anderson - Man #1 (ep12), Bailiff #1 (ep18), Court Clerk (ep67)
- Frank Aquilino - Uncle Joey (ep137)
- Frank Bello - Jimmy, Rocker (ep328)
- Frank Biancamano - Doorman (ep31), Larry Norbish (ep62), Steve Costas (ep110), Brian (ep188), Building Manager (ep261), Jimmy (ep318), Leonard Kaskell (ep374)
- Frank Bonsangue - Court Clerk (eps283, 290), Clerk (eps308, 347)
- Frank Cameron Winters - Boy (ep249)
- Frank Ciornei - Super (ep266), Yevechenko (ep366), Bodega Clerk (ep395)
- Frank De Julio - Nick Bridge (ep385)
- Frank Deal - Earl Webster (ep274), Don Balderston (ep362)
- Frank Dellarosa - Joseph Dantoni Jr. (ep221)
- Frank Girardeau - Massacio (ep3), Vinnie (ep53), Fred Harding (ep90), John Podbielski (ep142), Ron Sebastian (ep175), Detective Gerry Tremont (ep193)
- Frank Guy - Court Clerk (ep130), Foreperson (ep237)
- Frank Harts - David Jacobson (ep340), Army Sergeant Rodney Jakes (ep424)
- Frank Hopf - Uniformed Officer #1 (ep331)
- Frank Lewallen - Virgil Rice (ep268), Buddy (ep410)
- Frank Lombardi - Uniform Policeman (ep242)
- Frank Martin - Mounted Policeman #2 (ep126)
- Frank Mayers - Sgt. Thomas Radler (ep222)
- Frank Minucci - Greenberg (ep79)
- Frank Muller - Handler (ep36)
- Frank Nasso - Bobby Foster (ep272)
- Frank Pando - Bartender (ep275), Chris (ep302), Silvio Mangiafico (ep426)
- Frank Raiter - Msgr. Damien Ribot (ep196)
- Frank Santorelli - Freddy 'G' (ep256)
- Frank Savino - Nick Fortas (ep51), Lopez (ep105), Alberto Napoli (ep172)
- Frank Senger - Tiny (ep113), Horace (ep227)
- Frank Vincent - J.Z. (ep25)
- Frank Vlastnik - Dr. Phil Sugarman (ep196)
- Frannie Handman - Bess (ep72), Gertrude (ep154)
- Frantz St. Louis - Quincy Ellis (ep330)
- Fred Berman - Orthodox #1 (ep360)
- Fred Burrell - Dr. Brackley (ep71), Arthur Rigg (ep169), Ross McMillan (ep192), Bill Wilson (ep270)
- Fred J. Scollay - Judge Pursley (ep21), Judge Andrew Barsky
- Freddie L. Robinson Jr. - John Reese (ep251)
- Frederica Meister - Mrs. Melanie Stivic (ep1), Eileen Bauer (ep77)
- Frederick Koehler - Steven Lang (ep193)
- Frederick Neumann - Murray Watts (ep118)
- Frederick Rolf - Dr. Joe Kleeger (ep310)
- Frederikke Borge - Annette Hagadus (ep47)
- Fredi Walker - Valerie Tashe (ep197)
- Fredro Starr - Tony "G-Dog" Rowland (ep94)
- French Napier - Barnes (ep190)
- Fulani Hart - Shawn Beatty (ep314)
- Funda Duval - Bartender (ep64), Club Manager (ep338)
- Fuschia Walker - Myrna Campos (ep100), Mercy (ep126), Meter Maid (ep135)
- Gabe Doran - Corrections Officer (ep328)
- Gabe Fazio - Cameraman (ep428)
- Gabe Hernandez - Al Gonzales (ep348)
- Gabra Zackman - Sarah Mandel (ep162), Melissa Biddle (ep390)
- Gabriel Barre - Tyler Browning (ep340)
- Gabriel Carpenter - John Lucero (ep270)
- Gabriel Casseus - Dewey Lattimer (ep109)
- Gabriel Hernandez - Uniform Policeman (ep224)
- Gabriel Millman - Crowder (ep456)
- Gabriella Loren - Lauren (ep377)
- Gaelan Alexander Connell - Jackson (ep404)
- Gaetano Lisi - Technician (ep154), Foreman (ep301)
- Gail Grate - Doris (ep274)
- Gameela Wright - Mary (ep300)
- Gano Grills - Jasperson (ep136), Kenny Mohammed (ep352)
- Gareth Williams - Technician (ep21), CSU Technician (ep35), George Siddell (ep68)
- Gareth Saxe - Davis Dedecker (ep389)
- Garland Whitt - Black Teen (ep70)
- Garrett Lee Hendricks - Dennis (ep412)
- Garrett Neergaard - Jeff Golden (ep331)
- Gary Cookson - Sifford (ep63), Curren (ep113)
- Gary Cowling - Bob Mele (ep237), Shoe Store Owner (ep337)
- Gary Evans - Garrison (ep126), Uniform Policeman Richie (ep149), Officer Blackledge (ep182)
- Gary Galone - CSU Tech Robert Perry (ep218)
- Gary Klar - Mountain (ep113)
- Gary Lindemann - Hard Focus Host (ep376)
- Gary Lowery - CSU Detective Brown (ep193), Ted Vavoulis (ep281)
- Gary Perez - Manuel Ortega (ep52), Rodolfo Rodriguez (ep153)
- Gary Ray - Lester Crockwell (ep212)
- Gary Thorup - Vaughan Prescott (ep104)
- Gay Thomas-Wilson - Andrea Reddick (ep263)
- Gayle Scott - Celia (ep271)
- Gene Ashley - Court Clerk (ep64)
- Gene Canfield - D'Agastino (ep16), McBride (ep48), Detective Nelson (ep107), Gerald Bailey (ep140), Frank Salvo (ep219), Dale (ep315)
- Gene Connelly - Grand Juror #2 (ep433)
- Gene Farber - Eddie Travandze (ep290), Konstandin Vassinsky (ep406)
- Gene Gallerano - Jimmy Caruso (ep436)
- Gene Ruffini - Bum (ep149), Owen Forbes (ep196), Super (ep245), Gambler #1 (ep321)
- Genevieve Elam - Janice (ep381)
- Geoff Lee - Wong (ep42)
- Geoffrey Arend - Jeffrey (ep303)
- Geoffrey Cantor - Mirvis (ep157), Dr. Luther Wilding (ep216), Adam Stein (ep372), Jim Dooley (ep418)
- Geoffrey Dawe - Robert Tirelli (ep239), Sergeant (ep347), Judge Hatch (ep377)
- Geoffrey Ewing - Det. Moss (ep227), Dennis Foster (ep262)
- Geoffrey Owens - Langer (ep205)
- Geoffrey Wade - Mitchell Weisbrod (ep127), Dr. Frederick Austin (ep167), Peter Hammermesh (ep192), Drummond (ep315)
- George Bamford - Mr. McKenna (ep66), Leonard Hurst (ep89), Harry Singer (ep171), Larry Shea (ep340)
- George Bartenieff - Judge Shawn McNamara, Jerome (ep83), Presiding Judge (ep206)
- George Bass - Superintendent (ep32), Mario (ep235)
- George F. Miller - Clerk (ep207)
- George Feaster - Jeff Morris (ep198), Johnny Fagan (ep319)
- George G. Colucci - Schmidt (ep215)
- George Gore II - Clayton Doyle (ep130)
- George Guidall - John Ryder (ep22), Marvin Kattleman (ep78), Simon Wallis (ep115), Mr. Ellison (eps150-151), Dr. Miller (ep197), Bertram Dobbs (ep237), Kenneth Conley (ep268)
- George Hosmer - Court Clerk
- George Hughes - First Technician (ep86), Johnson (ep323)
- George Kmeck - Captain (ep301)
- George Loros - Alphonse (ep321)
- George McDaniel - Phil Spencer (ep329)
- George Newton - New Hire (ep280)
- George Palermo - Jeff Dawson (ep316)
- George Pogatsia - Court Officer (ep330), Mikey (ep412)
- George R. Sheffey - FBI Agent Peter Blum (ep276), Tim Munn (ep452)
- George Rafferty - 1st Policeman (ep57), Admissions Clerk (ep83)
- George T. Odom - Attendant (ep26), Mitchell (ep76), Oliver (ep100), Egan (ep123), George Holden (ep146), Bobby Williams (ep237), Reginald Rice (ep359), Louis (ep398)
- Georgia Southern - Nurse (ep380)
- Georgienne Millen - Judy Turner (ep196)
- Georgina Corbo - Rosetta Salva (ep128), Lorena Lorca (ep314)
- Georgine Hall - Mrs. Greenfield (ep97), Thalia Raye Phillips (ep284)
- Gerald M. Kline - Paramedic (ep2)
- Gerald Bunsen - Jamie (ep264)
- Gerard Cordero - Homeless Man (ep188)
- Gerard Doyle - Jeremy Ryder (ep232), Bill Connelly (ep259)
- Gerard O'Brien - ESU Technician (ep135), Doorman (ep213)
- Gerardo Rodriguez - TARU Tech Morales (ep375), Alberto Ramirez (ep447)
- Geraldine Bartlett - Reporter #2 (ep96)
- Geraldine Leer - Michelle DeVoe (ep197)
- Gerritt Vandermeer - Tim Gleacher (ep381), Paul Kleist (ep395)
- Gerry McIntyre - Pastor Ronald Meacham (ep348)
- Gerry Rosenthal - Student #2 (ep234)
- Gia Galeano - Dispatcher (ep65), Detective Gia, Ana Valdez (ep94), Norma Lopez (ep248), Brady (ep315)
- Gian-Murray Gianino - Dr. Farid (ep429)
- Gibby Brand - Dr. Charles Webb (ep95), Judge Walter Crackhan (ep130), Bernard Arbitman (ep156), Al Kline (ep188)
- Gil Bellows - Howard Metzler (ep14)
- Gil Deeble - Nate (ep423)
- Gil Rogers - Ireland (ep32), Man in Suit (ep134), Mr. Platt (ep281)
- Gilbert Cruz - Paramedic (ep5), CSU Carillo (ep66), CSU Technician #1 (ep159), Mel Hamed (ep225), Lopez (ep235), Super (ep291)
- Gilbert Lewis - Deputy Police Commissioner (ep111)
- Gina Bonati - Marie Tortino (ep313)
- Gina Ferrall - Stella Grapes (ep196)
- Gina Rice - Karen Barrows (ep353)
- Gina Rodriguez - Yolanda (ep335), Inez Soriano (ep401)
- Gina Torres - Laura Elkin (ep45), Charlene (ep109)
- Ginifer King - Faye (ep367)
- Ginnifer Goodwin - Erica (ep260)
- Giselle Liberatore - Avilo (ep18)
- Gita Reddy - Dr. Nancy Kooter (ep450)
- Giulia Pagano - Frances Guardino (ep76), Mrs. Russo (ep241)
- Glenn Fleshler - Don Hamilton (ep267), Rick Kawalchuck (ep346), Jimmy Curren (ep416)
- Glenn Herman - Jerome "Hamster" Hawkins (ep90)
- Glenn Kalison - Kent Wechsler (ep374)
- Glenn Kessler - Raymond Taylor (ep184)
- Glenn Kubota - Hong (ep45), Mr. Nakahara (ep91), Dennis Hayashi (ep150), Akira Miyamoto (ep323)
- Glenn Taranto - Squad Room Detective (ep36), Manetti (eps49, 70)
- Glenn Wein - Pharmacist (ep154)
- Gloria Biegler - Dana Kerr (ep102), Mrs. Pieper (ep138), Linda Sanders (ep299)
- Gloria Herrera - Rosa (ep77)
- Gloria Hoye - Helen Murphy (ep43)
- Gloria Irizarry - Grandma Rosa Citrone (ep135), Hilda (ep211), Myra (ep330)
- Glynis Bell - Ms. Silver (ep42), Celia Gray (ep88), Dr. Elaine Spencer (ep182), Shelby Jennings (ep297), Miriam Johnson (ep340), Judge Gloria Bryant (ep414)
- Godfrey L. Simmons Jr. - Alan O'Connell (ep223)
- Gonzalo Madurga - Dr. Guzman (ep27)
- Gordon Connell - Mr. Larry Hodge (ep177)
- Gordon Joseph Weiss - Rudy Scelza (ep9), Larry Adler (ep174)
- Gordon MacDonald - Richard Gillrich (ep68), Trauma Surgeon (ep132), Donny Apuzo (ep240)
- Graciela Lecube - Mrs. Rodriguez (ep8)
- Graeme Malcolm - Drotos (ep43)
- Graham Brown - Minister (ep11), Appellate Judge Barry Marton (ep26), Appellate Judge Barry Marshall (ep71)
- Graham Davie - Johnny (ep377)
- Graham Outerbridge - Todd Hauser (ep412)
- Graham Powell - Officer Ty Carson (ep452)
- Graham Rowat - Mike Fleming (ep396)
- Graham Winton - Jimmy McIntyre (ep423)
- Grant Albrecht - Boyd (ep69)
- Grant Norman - Noah Stewart (ep335), Howard Lowe (ep376)
- Greg Connolly - Uniform Policeman (ep194), MSNBC Anchor (ep375)
- Greg Cook - Jimmy Parnell (ep191), Rex Mays (ep380)
- Greg Esposito - McGee (ep291)
- Greg McFadden - Dr. Connor Dunning (ep415)
- Greg Naughton - Hollis (ep30), Kevin Poulos (ep376)
- Greg O'Donovan - Mr. Bolger (ep297)
- Greg Pierotti - David Hart (ep238)
- Greg S. Ryan - Judge Harold Kaiser (ep126)
- Greg Salata - Lieutenant Braschi (ep252)
- Greg Schmalbach - Court Clerk (ep294)
- Greg Shamie - Billy Carr (ep175)
- Greg Stuhr - Douglas (ep303)
- Greg Thornton - Chet (ep308)
- Greg Wood - James Markle (ep308)
- Greg Zerkle - Dr. Maxwell (ep171)
- Greg Zittel - Gene McDermott (ep175), Judge George Veitch (ep210), Judge Barton Davies (ep389)
- Gregg Almquist - NYPD Lieutenant Gowdy (ep8), Internal Affairs Lieutenant Gowdy (ep22)
- Gregg Bello - Noonan (ep153)
- Gregg Dubner - Newscaster (ep149)
- Gregory Burke - Birthday Boy (ep7), Jimmy Marshall (ep179)
- Gregory Chase - Alan Ralston (ep5)
- Gregory Dann - Sgt. Tom Webb (ep373)
- Gregory Holtz Sr. - Man (ep124)
- Gregory Mitchell - Peter Gilbert (ep177)
- Gregory Northrop - Workman (ep148), Hazmat Technician (ep185), Policeman #1 (ep231), Officer Hines (ep266), Troy Johnston (ep341)
- Gregory Perrelli - Eric Cochran (ep127)
- Gregory Porter Miller - Judge Cornelius (ep429)
- Gregory Reid - Junior Dee (epp193)
- Gregory Russell Cook - Jimmy Gaines (ep272)
- Gregory Waller - Al Lee (ep428)
- Gregory Weinberg - Court Clerk, Clerk (ep354)
- Gregory Zaragoza - Joseph (ep241)
- Gretchen Lee Krich - Mrs. Harland (ep191)
- Gretchen West - Jane Dickey (ep36)
- Gretha Boston - Office Aide (ep224), Mother #2 (ep251)
- Guerrin Gardner - Celeste (ep346)
- Guiesseppe Jones - Atkinson (ep349), Dave (ep406), Al (ep432)
- Gus Rogerson - Cranky Husband (ep334)
- Guy Ale - Dmitri Andropovich (ep232)
- Guy Davis - Russell Bobbitt (ep74)
- Guy Lockard - Duane Jefferson (ep443)
- Guy Paul - Nicholas Dalton (ep155)
- Guy Richardson - Assassin (ep351)
- Guy Whitlock - Court Clerk (ep253)
- Gwendolyn Lewis - Brooke (ep201)
- Gwendolyn Mulamba - Paulina (ep204)
- Gy Mirano - Interpreter (ep20)
- Haerry Kim - Chu Hu (ep355)
- Haig Kocharian - Gabor Hartunian (ep243)
- Hal Robinson - Mr. Lasko (ep129)
- Halley Feiffer - Colleen Jacobs (ep251)
- Hanh Tran - Lynne (ep303)
- Hannah Freiman - Amanda (ep386)
- Hans Hoffman - Douglas (ep239)
- Happy Anderson - Jim Matthews (ep409)
- Harley Cross - Jamie Maser (ep37)
- Harlin C. Kearsley - CSU Officer (ep247), CSU Technician (ep271), Black Businessman (ep334), CSU Tech #1 (ep363)
- Harold Miller - Marcus Tate (ep46), Judge Cyrus Metcalfe (ep125)
- Harold Perrineau Jr. - Jordan Hill (ep11), Kenny Rinker (ep63)
- Harriett D. Foy - Judge Arlene Jones
- Harrison Young - Gus (ep149)
- Harry Althaus - Ezra Fulshrom (ep217)
- Harry Bouvy - Sam Welby (eps203, 237), CSU Tech (ep350), CSU Tech #2 (ep363), M.E. Investigator Stan Palchuk (ep439)
- Harry Danner - Kenneth Gray (ep271), Judge Leonidas Midonas (ep320)
- Harry Madsen - Third Jewish Man (ep360)
- Harry O'Reilly - McCarry (ep10), Raymond Blair (ep430)
- Harry Peerce - DeSoto (ep194), Arnold Felder (ep237)
- Harry Prichett - Doorman (ep297), Bernard Heinz (ep350)
- Harry S. Murphy - Don (ep1), Strachon (ep30), Mr. Parker (ep102)
- Harsh Nayyar - Dr. R.V. Singh (ep68), Gas Station Attendant (ep135)
- Hassan Johnson - Arnold (ep268), Trevor Hawkins (ep330)
- Haynes Thigpen - Mail Clerk (ep259), Hal (ep448)
- Hazel Medina - Nurse (ep18), Janine Clayton (ep176), Lady #1 (ep258), Darlene Nickerson (ep323)
- Heather Alicia Simms - Serena Lester (ep193), Althea Sands (ep355)
- Heather Garfinkle - Female Student (ep384)
- Heather Gottlieb - Susannah (ep90)
- Heather Ichihashi - Jenny Wang (ep363)
- Heather Kenzie - Diana Rawlings (ep386)
- Heather Male - Sara Essex (ep367)
- Heather Robison - Emily Wehner (ep212)
- Heather Silvio - Clerk (ep418)
- Heather Willihnganz - Sandy Resnick (ep72)
- Hector Colicchio - Jose Urbano (ep18)
- Hector Javier Muñoz - Oswaldo Morales (ep429)
- Heidi Armbruster - Lisa Michaels (ep386)
- Helen Coxe - Tara Johnson (ep271)
- Helen Hanft - Martha (ep159), Vera (ep254)
- Helen Harrelson - Mrs. Bundy (ep68)
- Helen Lloyd Breed - Myra Goldman (ep66)
- Helen Mitchell - Juror Bogan (ep24)
- Helen Stenborg - Christine Aimsley (ep192)
- Helene Cara - Nadia (ep88)
- Hélène Cardona - Juror #4 (ep114)
- Helmar Augustus Cooper - Herb Williams (ep17), Judge Lawrence McNeil
- Henny Russell - Henny Russell (ep349), Kate Orris (ep451)
- Henriette Mantel - Erin Novak (ep415)
- Henry Afro-Bradley - Freddy (ep350)
- Henry Hill - Token Booth Clerk (ep231)
- Henry Stolow - Daniel Tenofskie (ep320)
- Henry Stram - Kaplan (ep148), Daniel Kiley (ep233)
- Henry Strozier - Deputy Tom North (ep189)
- Henry Yuk - Lao (ep154)
- Herb Downer - Warner (ep46), Judge Morris Birch (ep117), Alex Hunt (ep194), Howard Thomas (ep258)
- Herb Foster - Alex Piven (ep143)
- Herb Lovelle - Luther (ep118), Mr. Hemmerick (ep158), Sam Wilton (ep192), Phil (ep313)
- Herbert Beigel - Gates (ep109)
- Herbert Rubens - Homeless Ralph (ep47), Wallengren (ep79), Dr. Mitchell Coleman (ep110), Ricardo (ep132)
- Herbert Russell - Eddie DeSantis (ep184)
- Herman Chaves - Man (ep248), Moreno (ep272)
- Herman O. Arbeit - Harry Fine (ep31)
- Herve Clermont - Gerald (ep279)
- Hettienne Park - Taka Furukawa (ep341), Tina Shen (ep395)
- Hildy Brooks - Jane Lawler (ep29)
- Holly Natwora - Tuition Fund Woman (ep252)
- Holly Perkins - Guest (ep347)
- Holter Graham - Erik Hanson (ep99)
- Hoon Lee - Huot Mam (ep370)
- Hope Clarke - Judge Emma Reynolds (ep137), Appellate Judge #2 (ep253), Mrs. Marbury (ep284)
- Howard Blakey - Jury Foreman (ep72)
- Howard Feller - Stu (ep408)
- Howard Pinhasik - Dr. Neil Zucker (ep280)
- Howard Spiegel - Bernstein (ep12)
- Howard W. Overshown - Defense Attorney Kyle Rowen (eps299, 339)
- Howard Wesson - Baker (ep8)
- Hubert Point-Du Jour - P.O. Chris Owen (ep450)
- Hudson Cooper - Bailiff (eps313, 346), Clerk (eps355, 385), Arraignment Clerk (ep376), Court Clerk (ep392)
- Hugh O'Gorman - Chuck Rodman (eps135, 144)
- Hugh Panaro - Hotel Clerk (ep172)
- Hugo Calero - Ramiro Lopez (ep429)
- Hunter Gallagher - D.J. Lovell (ep437)
- Hy Anzell - Mr. Spivak (ep15)
- Hynden Walch - Angel Monroe (ep91)
- Hyunsoo Lee - Mrs. Lee (ep83)
- Ian Alsup - Eric (ep254)
- Ian Cohen - CSU Tech Ryan (ep110)
- Ian Eaton - Beckway (ep358), Officer Murphy (ep405)
- Ian Helfer - Paralegal (ep236)
- Ian Hersey - Clerk (ep367)
- Ian Scott McGregor - Eric Greenwood (ep410)
- Ian Stuart - Nick Singleton (ep314)
- Idara Victor - Nona (ep443)
- Ilene Kristen - Sandra Krane (ep91)
- India Cooper - Desk Clerk (ep223)
- Inna Krieger - Marla (ep392)
- Ira Wheeler - Appellate Judge #5 (ep26), Appellate Judge Bloom (ep71), Judge Ivan Hopper (ep155)
- Iraida Polanco - Celia's Grandmother (ep32), Katy Andon (ep49)
- Iraj Anvar - Manny (ep316)
- Irene Glezos - Female Grand Juror (ep131), Darlene Hackett (ep331), Shelley Lovett (ep442)
- Irene Ng - Xuan-Lan Nguyen (ep140), Employee (ep416)
- Iris Little Thomas - Jean Hepley (ep125), Trial Judge Barbara Lusky
- Irma St. Paule - Elderly Woman (ep40), Sally (ep135), Florence Simonetti (ep333)
- Irving Metzman - Judge Strozzek (ep26), Gene Magee (ep63), Jay Amsterdam (ep179), Mike McKay (ep258)
- Isa Thomas - Gwen Matson (ep12), Melva Clayman (ep203)
- Isabel Segovia - Olivia (ep80), Mrs. Ramirez (ep163)
- Isaiah Washington - Derek Hardy (ep30)
- Isha Manna Beck - Lisa Talbot (ep66)
- Isidra Vega - Lisanne Solo (ep305), Tabitha Mundy (ep403)
- Ismail Bashey - Hanish Singh (ep213)
- Issac Bright - Eddy Acosta (ep186)
- Ivan Kronenfeld - Blair (ep34), Stein (ep52), Marty Prince (ep114)
- Ivan Quintanilla - Cesar (ep416)
- Ivar Brogger - Ivar Brogger (ep103)
- Izzy Flores - Hector Lavina (ep64), Raul Garcia (ep98)
- Izzy Hanson-Johnston - Amy Johnson (ep437)
- Izzy Ruiz - Manuel (ep347), Salvador (ep357)
- J. Bernard Calloway - Corrections Officer (ep290)
- J. Evan Bonifant - Joey Reynolds (ep141)
- J. Paul Nicholas - Ballistic Tech Harland (ep401), Leon (ep443)
- J. Robert Spencer - Lt. Mason (ep402)
- J. Salome Martinez - Oscar "Diablo" Morales (ep354), Miguel (ep429)
- J. Timothy Ewing - Reporter #2 (ep119)
- J. Tucker Smith - Mr. Weston (ep187), Alec Brenner (ep319), Abe Henderson (ep359), Lawrence Reynolds (ep397)
- J.B. Smoove - Levon (ep184)
- J.C. MacKenzie - M.E. Hoeck (ep94)
- J.C. Montgomery - Ron Draper (ep336), Judge Everett Mason
- J.D. Williams - 2nd Kid (ep170)
- J.J. Clark - O'Connor (ep59), Truck Driver (ep88)
- J.J. Kandel - Grand Juror #3 (ep456)
- J.J. Singleton - Jason (ep426)
- J.P. Linton - Allan Fenwick (ep150), General Ronson (ep366)
- J.T. Patton - Mike (ep366)
- Jabari Gray - Reporter #2 (ep412)
- Jace Alexander - Larry Philbert (ep128)
- Jack Cirillo - Security Guard (ep153)
- Jack Cleary - Clerk (ep364), Court Clerk (ep374)
- Jack Davidson - Mr. Torrens (ep35), George Berman (ep76), Blumberg (ep132), Spense Carlyle (ep164), Bank Manager (ep213)
- Jack Landron - Guard #2 (ep83)
- Jack Laufer - Wellman (ep3)
- Jack Marshall - Steve Adams (ep159)
- Jack McCormack - Sergeant (ep216)
- Jack Mulcahy - Lt. Reston (ep226)
- Jack Neary - Court Clerk (eps315, 318)
- Jack O'Connell - Sergeant Gilmore (ep61), Sam (ep274)
- Jack R. Marks - Court Clerk (ep45), Trial Court Clerk (ep56)
- Jack Ryland - Judge M. Kleinman (eps4, 10), Trial Judge Jay Derrick (eps78, 173), Judge Mark Burns (ep143)
- Jack Walker - Mr. Dean (ep417)
- Jack Wallace - Homeless Man #2 (ep26)
- Jackie Maruschak - M.E. Renfree (ep200)
- Jackie Stewart - Marjorie (ep426)
- Jacklin Brooke Sanford - Guinivere Sheffield (ep94)
- Jackye Roberts - Yuppie Mom (ep95), Principal (ep268)
- Jaclyn Ann Suri - Betsy (ep36)
- Jaclyn DeSantis - Darah LaPorte (ep225)
- Jacob Lavin - David Rybakov (ep334)
- Jacqueline Hendy - Rachel Klaas (ep343)
- Jacqueline Knapp - Judge Arlene Choate (ep207)
- Jacqueline Kristel - Laurie (ep340)
- Jacqueline Lovell - Heather (ep327)
- Jacques Cowart II - Calvin Jacob Rivers (ep317)
- Jacques Sandulescu - Isaac Skolnick (eps15-16)
- Jacquie Ullendorf - Jury Foreperson (ep342)
- Jaime Lincoln Smith - Asst. M.E. Thorne (eps394, 406)
- Jaime Smith - Walter Parks (ep346)
- Jake Cooper - First Kid (ep104)
- Jake M. Smith - Derek (ep256), Tommy Flanagan (ep342)
- Jake Smith - Peter Grimes (ep270)
- Jake Weber - Wesley Parker
- Jakob Von Eichel - Petrescu (ep383)
- Jama Williamson - Tina (ep337)
- Jamal Mallory-McCree - Rodney (ep426)
- Jamel Rodriguez - Joey (ep421)
- James A. Baffico - Henninger (ep63), Fred Field (ep84), Det. Scapelli (ep131)
- James Andrew O'Connor - Driver (ep280)
- James B. Strong - Uniform Officer Brady (ep310)
- James Bohanek - Orderly (ep194)
- James Bulleit - Barney Cooper (ep140)
- James Burke - Eamon Liriano (ep362)
- James Canning - Pringle (ep20)
- James Caulfield - Chief Judge (ep205), Judge Byron Garrison (ep276), Judge Gerald Slojakovitch (ep332)
- James Coyle - Zimmer (ep116), Jack O'Hara (ep175), Bill O'Riley (ep232)
- James DeLorenzo - Reporter (ep150)
- James DeMarse - Ralph Walton (ep54), Walter (ep188)
- James DiSalvatore - Judge Stephen Ferrante (ep368), Judge Gareth Morgan (ep373)
- James Doerr - Mike Connell (ep66), Grady (ep91), Sheehan (ep158), Jack Ianelli (ep258)
- James DuMont - Desk Clerk (ep46)
- James Flaherty - Clerk (eps245, 262), Doorman (eps275, 284)
- James Goodwin Rice - Watson (ep84), Mr. Mark Poletti (ep146)
- James Hallett - Reporter #1 (ep353)
- James Hindman - Dean Riley (ep288), Marvin Raston (ep399)
- James Huang - Officer Chang (ep215)
- James Joseph O'Neil - Jimmy Baxter (ep171)
- James Lewis De Lorenzo - Marty Lake (ep60)
- James Lloyd Reynolds - Interviewer (ep384), Josh Kendall (ep398)
- James Lorenzo - Arraignment Judge Albert Bryce (eps380, 388)
- James Lurie - Paul Teague (ep316)
- James Luriev - Dr. Dennis Colthorp (ep227)
- James Lynch - Foreperson (ep398)
- James Madio - Andy Costello (ep75)
- James Martinez - Manuel Lopez (ep291), D.J. Jonny Cortez (ep440)
- James Matthew Ryan - Fireman (ep374)
- James McCauley - Reni (ep29), CSU Dremluk (ep118), Bobby Morris (ep145)
- James McMenamin - Chris (ep366)
- James Michael Farrell - Sgt. Nash (ep354)
- James Michael Reilly - Matt Schaffner (ep343)
- James Noah - Arraignment Judge Barry J. Marton (ep15), Dr. Holtz (ep76)
- James Nuciforo - Captain Lagle (ep456)
- James Parris - Rick (ep365)
- James Pyduck - Bailiff (eps14, 35), Bailiff #2 (ep17), Housekeeper (ep106)
- James Ransone - Mark Dale (ep253)
- James Reno - Officer Rennick (ep13), Morgan (ep58), Lt. Brosnan (ep154), Eddie Soto (ep181)
- James Riordan - Jeremy Pollack (ep333), Miles Foster (ep382)
- James Robert Barry - Dr. Harry Prescott (ep117)
- James Ryan - Robby (ep290)
- James Saito - Mr. Tanaka (ep97), Yoshi Yoshimura (ep232)
- James Sioutis - Howard Miller (ep225)
- James Stanek - Arraignment Clerk (ep174)
- James Stover - P.A.A. (ep397)
- James Villemaire - Ben Freed (ep66)
- James Waterston - Dr. Shimo (ep205)
- James Weston - Maxwell Grimes (ep155)
- Jamie Hector - Jean Marchier (ep235)
- Jamie Jones - Kate Lindsay (ep128)
- Jamie Lorenzo - Ray Dimmick (ep256)
- Jamie Schofield - Rebecca McCoy (ep390)
- Jamie Tirelli - Chick Sullivan (ep66), Santana (ep83), Sgt. Palacio (ep222)
- Jamie Torcellini - Sam O'Dell (ep191)
- Jamison Stern - Phil (ep393)
- Jan Owen - Elderly Woman (ep160)
- Jana Zenadeen - Receptionist (ep331)
- Jane C. Pejtersen - Denise (ep329)
- Jane Caldwell - Jill (ep74)
- Jane Cecil - Martha Quinn (ep270)
- Jane Connell - Mrs. Hodge (ep177)
- Jane Cronin - Judge Alison McKeever (ep38), Sylvia (ep183)
- Jane Elliott - Randi Smolin (ep170)
- Jane Hoffman - Mrs. Fisher (ep28)
- Jane Sanders - Woman #2 (ep12)
- Jane Stiles - Valeri (ep390)
- Jane Summerhays - Mistress Pearl (ep170)
- Jane White - Appellate Judge A. Green (ep26)
- Janet Sarno - Dr. Goldman (ep47), Marie Costas (ep200), Trial Judge Monica Ferrante (eps301, 325)
- Janet Ward - Delores Gaines (ep50)
- Janet Zarish - Phipps (ep4), Judy Palnick (ep195)
- Janett Martinez - Christina (ep398)
- Janice O'Rourke - Ivy Perlow (ep239)
- Janine Poreba - Girl (ep248)
- Janis Corsair - Nosy Shouting Neighbor (ep331)
- Janis Dardaris - Mrs. Florence Mackey (ep15), Bonnie Stoll (ep295), Judge Willa Ambrosius (ep406)
- Janna Silver-Smith - Laura Rudman (ep80)
- January LaVoy - Assistant ME Bell (eps375, 387)
- Jared Miller - Dino Renzetti (eps311, 317), TARU Tech Beckway (ep390)
- Jarlath Conroy - Father Royce (ep216), Frank Noonan (ep259)
- Jarrett Pelzer - Mourner (ep417)
- Jason Andrews - Carney (ep73)
- Jason Betts - Joey (ep309)
- Jason Butler Harner - Bernard Noah (ep278)
- Jason Catalano - Stuart (ep244)
- Jason Cottle - Audience Member #2 (ep444)
- Jason Denuszek - Galin (ep373)
- Jason Duchin - Julian (ep83)
- Jason Edwards - Mark Danielson (ep269)
- Jason Fiore-Ortiz - Isiah (ep346)
- Jason Fisher - Rob (ep456)
- Jason Furlani - Policeman (ep259), Sgt. Skolnick (ep401), Sgt. Orzelle (ep406), Uni Sergeant (ep408), Detective (ep413), Officer (ep439)
- Jason Gillman - Stuart Fleming (ep381)
- Jason Hayes - Kenny "Twist" Stark (ep174)
- Jason Kaufman - Uni (ep339)
- Jason Kuschner - Henry Winston (ep190)
- Jason Liebman - Blair Lewiston (ep392)
- Jason Manuel Olazábal - Jeffrey Sayles (ep246), Rick (ep298)
- Jason Nuzzo - John Harker (ep226)
- Jason Pendergraft - Jim Morgan (ep384)
- Jason Pugatch - CSU Technician Persky (ep187), CSU Technician (ep224), Assistant M.E. Cantor (ep292)
- Jason Schuchman - Willis Jacobs (ep445)
- Jason Sklar - Barry Finneran (ep343)
- Jason Townes - Troy (ep181)
- Jason Weinberg - Tony (ep161)
- Jason Wooten - Downtown Rocker (ep400)
- Jay Charan - Nalan (ep327)
- Jay Devlin - Charles Martine (ep35), Bill Swayze (ep77), McAfee (ep111)
- Jay Edwards - Tom Champa (ep306)
- Jay Goede - Graham (ep25)
- Jay Harris - Judge Mark Burns (ep56)
- Jay Patterson - Hoexter (ep10)
- Jay Raphael - Jerry Warner (ep186)
- Jay Russell - Chauffeur (ep150), James (ep271)
- Jay Spadaro - Bailiff (eps28, 36), Court Clerk, Earl Novak (ep153)
- Jay Ward - Black Guy (ep397)
- Jay Wilkison - Gregg Robinson (ep373)
- Jayce Bartok - Chip Bennet (ep30), Bob Tavish (ep424)
- Jayden Lund - Grimley (ep90)
- Jaymes Jorsling - Lewis (ep413)
- Jayne Houdyshell - Forewoman (ep159), Marge Littleton (ep198), Madelyn Roberts (ep273)
- Jayson Ward Williams - Turner (ep190), Roland Dell (ep213), Bill Gerard (ep396)
- Jean Brassard - Detective Rene Laberc (ep290)
- Jean McDaniel Lickson - Victoria Wagner (ep309)
- Jean-Pierre Serret - Tony Stratton (ep429)
- Jean Richards - Jury Forewoman (ep118)
- Jean Taylor - Mrs. Hollis (ep14)
- Jeanine Morick - Mona Benson (ep111)
- Jeanna Garcia - Ronda (ep123)
- Jeanne Paulsen - Margaret Chandler (ep82)
- Jeannine Comeau - Clerk (eps152, 195), Jury Forewoman (ep179), Jury Foreperson (ep240), Paralegal, McCoy's Secretary (ep307)
- Jed Krascella - Yuppie Man (ep4)
- Jeff Biehl - Barry Di Grappa (ep429)
- Jeff Blumenkrantz - Dr. Friedman (eps265, 298)
- Jeff Brooks - Steven Cooper (ep89), Charles Scott (ep278)
- Jeff Galfer - Dr. Brooks (ep361)
- Jeff Greene - Detective Calvin May (ep330)
- Jeff Grossman - Melvin Feltzer (ep405), Secret Service Agent (ep444)
- Jeff Hayenga - Gardner Keith (ep195)
- Jeff Joseph - Det. Ronald Murphy (ep264), Rivers (ep321)
- Jeff Pucillo - Lucas Brody (ep365)
- Jeff Robins - John Ross (ep74), Morris Kopp (ep255)
- Jeff Skowron - Charles Bardo (ep250), Reporter #1 (ep387)
- Jeff Steitzer - Earl Woodlief (ep372)
- Jeff Still - Henry Karr (ep422)
- Jeff Swanton - Rob (ep293)
- Jeff Weiss - Trial Judge John Romney (ep86), Trial Judge Alexander Romney (eps225, 345)
- Jeff Woodman - Matthew Heller (ep254)
- Jeff Woods Garlin - CSU Technician (ep320), Detective #2 (ep338)
- Jefferson Breland - Uniform Policeman #1 (ep153)
- Jeffrey A. Oberdier - Charlie (ep377)
- Jeffrey Bean - Carl Rodale (ep226)
- Jefrey Binder - Eric Cross (ep242)
- Jeffrey Cusimano - Officer Gordonson (ep370)
- Jeffrey Emerson - Greg (ep227)
- Jeffrey Force - Chasen Morell (ep150)
- Jeffery V. Thompson - Nick Slater (ep276)
- Jeffrey Ware - Silverman (ep97), Randall Amsterdam (ep298)
- Jeffrey Withers - Roger Lorimer (ep400)
- Jeffry Denman - Arthur Stern (ep397)
- Jelani Jeffries - Zack (ep377)
- Jelayna Rose - Michelle (ep440)
- Jen Albano - Patsy Shurtleff (ep214)
- Jen Jones - Mrs. Small (ep128), Edna Arnofsky (ep310)
- Jené Hernandez - Lola (ep354)
- JeNie Fleming - Valerie (ep262)
- Jenifer Estess - Court Clerk (ep114)
- Jenifer Krater - Diane Bauer (ep186)
- Jenn Harris - Mandy Garrison (ep402)
- Jenn Thompson - Ann Ferguson (ep155), Tech Jen Bates (ep399)
- Jennie Moreau - Nancy Hoffman (ep155)
- Jennie Ventriss - Judge Amelia Paul (ep30)
- Jennifer Bassey - Mrs. Conley (ep268)
- Jennifer Bransford - Ellen Brightman (ep265)
- Jennifer Carta - ADA Constance Brody (ep250)
- Jennifer Cody - Vicki Sandusky (ep424)
- Jennifer Courtney - Karen Yellin (ep169)
- Jennifer Don - Uniform Police Officer (ep269), P.O. Sarah Peterson (ep285)
- Jennifer Harmon - Mrs. Serena Davidson (ep107)
- Jennifer Ikeda - Margaret Conroy (ep400)
- Jennifer Lim - MLI Daisy Chao (ep435)
- Jennifer Lynn Michael - Angela Cofresta (ep246)
- Jennifer Missoni - Anna Sakalov (ep390)
- Jennifer Morris - Claire (ep342)
- Jennifer Mudge Tucker - Caitlin Murray (ep220)
- Jennifer Rae Beck - Angela Savitsky (ep407)
- Jennifer Riker - Waitress (ep263)
- Jennifer Rives - Rachel Glick (ep274)
- Jennifer Roszell - Alice Kendall (ep398)
- Jennifer Simard - Danielle Andreas (ep371)
- Jennifer Sternberg - Joyce De Loach (ep200)
- Jenny Deller - Marina Travandze (ep290)
- Jenny Mercein - Norma Silver (ep408)
- Jenny Sheffer Stevens - Marta Stang (ep383)
- Jenny Sterlin - Mrs. Ruane (ep362)
- Jeremiah Clancy - Jonah (ep211)
- Jeremiah Miller - Boris (ep441)
- Jeremy Allen White - Jeremy (ep386)
- Jeremy Beck - Detective Jena (ep456)
- Jeremy Beiler - Terry Clark (ep439)
- Jeremy Blackman - Anthony Cooper (ep271)
- Jeremy Bobb - Aftermath Uni (ep357), Plain-Clothes Cop (ep440)
- Jeremy Fonicello - Marty (ep291)
- Jeremy Frutkin - Town Hall Protester (ep444)
- Jeremy Gender - Sweetie Ness/Dale Marks (ep417)
- Jeremy Gold - Perkins (ep67)
- Jeremy Hollingworth - Gilman (ep345)
- Jeremy Nagel - Eric Pope (ep184), Boy #1 (ep264)
- Jeremy Rishe - Josh Rossman (ep431)
- Jeremy S. Holm - Guard (ep195)
- Jeremy Zorek - Zach Hartwig (ep418)
- Jeri Arredondo - Littlemoon Birdsong (ep246)
- Jermaine Chambers - Pappi (ep99)
- Jernard Burks - Doinel's Body Guard (ep84)
- Jerold Goldstein - CSU Meyers (ep83)
- Jerold Solomon - Clerk (ep445)
- Jerome LePage - Jimmy Rose (ep104), Dennis Harp (ep153), Greg Carter (ep249)
- Jerome Preston Bates - Brutus Walker (ep13), CSU Technician (ep92), Ernie Bigelow (ep123), Jerome Williams (ep306)
- Jerry Ball - Jury Foreman (ep157)
- Jerry Clicquot - Jerry (ep327)
- Jerry D. O'Donnell - Uniform Policeman (ep239), Policeman (ep295), M.C. Downs (ep316)
- Jerry Dixon - Detective Alvin Roberts (ep313)
- Jerry Giorgio - Court Clerk (ep24)
- Jerry Grayson - Superintendent (ep38), Morrie Lyles (ep64), Jeffrey Crockett (ep94)
- Jerry Jaffe - Mandelbaum (ep322)
- Jerry Jarrett - Manny Cohen (ep56)
- Jerry Lyden - Roy Cashman (ep177)
- Jerry Matz - Jury Foreman (ep22), Sidney Tuchman (ep138), Izzy (ep429)
- Jerry Mayer - Car Salesman (ep13), Stubbins (ep100), Leon Storch (ep141)
- Jerry Rockwood - Mr. Lawson (ep52)
- Jerry Shulman - Super (ep252), Bailiff #1 (ep288), Court Officer (ep336)
- Jerry Walsh - Riley (ep343)
- Jery Hewitt - SWAT Leader (ep160)
- Jesse Bernstein - Sam Barlow (ep347)
- Jesse Hooker - James (ep329)
- Jesse Lenat - Linus Kepler (ep444)
- Jesse McCartney - Danny Driscoll (ep237)
- Jesse Moore - Dr. Howard Malone (ep58), Daniel Freeman (ep86)
- Jesse Perez - Joe Rodriguez (ep325)
- Jesse Shafer - Player (ep279), Uniform Officer (ep317), Groom (ep347)
- Jesse Williams - Kwame (ep366)
- Jessica Arinella - Female Patient (ep305)
- Jessica Carlson - Lauren Lortell (ep406)
- Jessica Cauffiel - Cashier (ep184)
- Jessica Dickey - Leila Dickson (ep416), Lisa Barnett (ep438)
- Jessica Molaskey - Janet Markson (ep198)
- Jessica Perez-Frankhouse - Xiomara Morales (ep429)
- Jessica Pimentel - Hooker (ep289), Tina (ep440)
- Jessica Rose - Ana Martinez (ep48)
- Jessica Varley - Blair Morton (ep438)
- Jessica Walling - Krista Holbrook (ep101)
- Jessica Weglein - Amanda (ep34)
- Jessma P. Evans - Co-Worker (ep261)
- Jessy Terrero - Shorty (ep189)
- Jesus A. Del Rosario Jr. - Park Drummer (ep419)
- Jill Choder - Roberta Lantos (ep68), Murphy (ep200)
- Jill Dalton - Roberta Miller (ep272), Megan Goddard (ep302)
- Jill Gureasko - Jury Foreperson (ep281)
- Jill Kinney - Roseanne Hall (ep246)
- Jill Marie Lawrence - Evelyn Jasper (ep209), Nurse (ep273)
- Jill Tasker - Wendy (ep68)
- Jill Tracy - Cathy (ep190)
- Jillian Bach - Rebecca Moore (ep415)
- Jillian Bowen - Jackie Rankin (ep135)
- Jim Abele - Mark Miller (ep138)
- Jim Beaudin - Tommy Turner (ep67), Paralegal (ep232)
- Jim Boyd - Howard Turner (ep67)
- Jim Budig - David Churchill (ep238)
- Jim Coope - George Vendetti (ep352), Manager Sawchuck (ep397)
- Jim Frangione - Hicks (ep126), Det. Scapelli (ep141)
- Jim Fromewick - Stage Manager (ep67)
- Jim Fyfe - Cleary (ep12), Robert Picard (ep63)
- Jim Gillis - Reporter #2 (ep15)
- Jim Grollman - Artie (ep225)
- Jim Iorio - Jarvis (ep70), Dr. Bob Kaplan (ep390)
- Jim Ireland - Craig (ep315), Chuck (ep347), Ted Balligan (ep446)
- Jim Lavin - Uniform Policeman (eps66, 112), Court Clerk (ep135)
- Jim Moody - Judge Stewart (ep63), Joe (ep134), Bobby Fox (ep142), Judge Langlois (ep179), Syd (ep228), Chuck (ep287), Reggie Lennard (ep348)
- Jim O'Connor - Dr. Knight (ep216)
- Jim R. Coleman - Mitchell Logan (ep323)
- Jim Siatkowski - Trial Court Clerk (ep69), Board of Education Lawyer (ep120)
- Jim Sterling - Uniform Policeman (ep169)
- Jim Taylor McNickle - Foreperson (ep177)
- Jim Wisniewski - Gordon (ep424)
- Jimmy Gary Jr. - Man in Crowd (ep398)
- Jimmy Palumbo - EMS Technician (ep201), Gomez (ep236), Husband (ep319), Max Emerson (ep374)
- Jimmy Smagula - Assistant M.E. Brooks (ep376)
- Jimmy Star - Store Customer (ep142)
- Jinsey Dauk - Louisa Birken (ep13)
- Jo Twiss - Legal Aid Lawyer (ep83), Neighbor (ep149), Erica Lang (ep207), Carol Warner (ep241), Audience Member #1 (ep444)
- Jo Yang - Witness #2 (ep299), Store Owner (ep336)
- Joan Bogden - Mrs. Dubinsky (ep129), Mrs. McBride (ep242)
- Joan Buddenhagen - Deanne Morris (ep145)
- Joan Kaye - Nurse (ep1)
- Joan Rosenfels - Claims Adjuster (ep221)
- Joan Wooters - Helen Adelman (ep198)
- Joanie Ellen - Lucia/Waitress (ep322)
- JoAnna Beckson - Linda (ep134), Neighbor (ep271)
- Joanna Heimbold - Melody Carter (ep90)
- Joanna Lu - Grace Chin (ep299)
- JoAnna Rhinehart - Angela Harkin (ep271), Nicole Caldwell (ep338)
- Joanne Baron - Judge Danielle Payne (ep445)
- Joanne Camp - Mrs. Hastings (ep120)
- Joanne Genelle - Paulina (ep79)
- Jody Flader - Helen Copeland (ep452)
- Jody Gelb - Sylvia Rollins (ep223)
- Jody Wood - Paramedic (ep77), CSU Technician (ep112)
- Joe Aufiery - Harold Dwyer (ep43)
- Joe B. McCarthy - Casey French (ep217)
- Joe Bacino - Jack O'Malley (ep57), Shelby (ep69), Dominic Lundston (ep114), CSU Nevins (ep239), City Marshall (ep257), Superintendent (ep322)
- Joe Barbara - E.S.U. Sgt. Delgado (ep391), Sgt. Sloan (ep401)
- Joe Capozzi - Beat Officer (ep269), Uniform Cop Adams (eps287, 330), Uniform Officer #2 (ep310), Uniform Officer Barnes (ep311), Transit Officer (ep364)
- Joe Cassidy - Scott Waylon (ep423)
- Joe Catalano - Uniform #3 (ep372)
- Joe Chrest - Lieutenant Charles Bates (ep61)
- Joe Forbrich - Detective Joe Cormack
- Joe Gonzalez - Vasquez (ep59), Montero (ep90), Sergeant Gilbert Gonzales (ep114), Parking Attendant (ep160), Aguilera (ep230), Sergeant Martinez
- Joe Hickey - Vincent Oscar (ep386)
- Joe Holt - Richard Hardwick
- Joe Lisi - Morrell (ep5), Mahoney (ep15), Reds Carpenter (ep134)
- Joe Lo Truglio - Policeman #2 (ep231)
- Joe Mantello - Public Defender (ep23)
- Joe Mortimer - CSU Tech #2 (ep246)
- Joe Mulligan - Joe Mulligan (ep200)
- Joe Napoleone - Polygraph Examiner (ep128)
- Joe Narciso - Bob Simonetti (ep240), Dr. Marion Shore (ep297)
- Joe Novellino - Jury Foreperson (ep407)
- Joe Pacheco - Salvatore Hess (ep166), Grimley (ep187), Farraby (ep232)
- Joe Paparone - Charles Fleming (ep112), Hank (ep255), Doorman (ep333)
- Joe Passaro - Uniform Policeman (ep110), CSU Technician (ep125), Owner (ep146), Alan Waldes (ep226), Joe Panero (ep249), Peter Bosford (ep285)
- Joe Pentangelo - Macaulay (ep7), Sergeant (ep8), Curran (ep21), Delito (ep76), Kelly (ep83), CSU Phillips (ep123), Doorman (ep285), Salesman (ep365)
- Joe Perce - Schuman (ep28), 2nd Policeman (ep57)
- Joe Perrino - P.O. Jack McKenzie (ep450)
- Joe Ponazecki - Louis (ep253)
- Joe Quintero - Jesse Rosado (ep178)
- Joe Ricci - John Byrne (ep325), Bailiff (ep428)
- Joe Richards - Uniform Policeman #2 (ep252)
- Joe Roland - Sergeant Bill Lampard (ep423)
- Joe Sharkey - Graveyard Administrator (ep40), Doorman #2 (ep126), Stan McVittie (ep153)
- Joe Spataro - Vince (ep23), Harmon (ep78)
- Joe Taglia - Hockey Player (ep290)
- Joe Taylor - Wayne "Skank" Jeffers (ep64)
- Joe Van Wie - Peta Organizer (ep405)
- Joe Vega - Mario (ep370)
- Joe Wachowski - Guitarist (ep319)
- Joe White - Pharmacist (ep209), Forensics Tech (ep262), Bart Hanson (ep311), Asst. M.E. Simon (ep364), Court Clerk (ep420)
- Joe Zaloom - Avi (ep158), Nick (ep207)
- Joel Bernstein - Elliott Geary (ep261)
- Joel Blake - Murphy (ep74), Jury Foreman (ep97)
- Joel Blum - Harley Metzger (ep133), Alec Markoff (ep200)
- Joel Colodner - Dave Carney (ep159)
- Joel Fabiani - Faber (ep326)
- Joel Friedman - Sidney Rosenberg (ep243)
- Joel Hurt Jones - M.E. Brian Murphy (ep368)
- Joel Leffert - Policeman #2 (ep22), Robert Cole (ep95), Jim Reinstein (ep209), Jerry Belichek (ep234), Jeff (ep256), Harold Griffin (ep316), Jerry (ep455)
- Joel Michael Simon - Doorman (ep223)
- Joel Rooks - Mr. Baron (ep120), Rabbi Lev Shinov (ep334)
- Joel Van Liew - George Mills (ep369)
- Joey Auzenne - Don Bissell (ep389)
- Joey Collins - Neil Shrader (ep316), Ben Gorman (ep343)
- Joey Dedio - Dwyer (ep92)
- Joey Donovan Guido - Clerk (ep287), Court Clerk (ep305)
- Joey Gay - Uniform Sergeant (ep260)
- Joey Piscopo - Uniform Cop (ep361)
- Joey Vega - Gabriel (ep205), Driver (ep254)
- Johanna Day - Trial Judge Nancy Roth (eps385, 401)
- John "Spike" Finnerty - First Uniform Policeman (ep125)
- John Anthony Williams - Varone (ep16)
- John Battle - Policeman #1 (ep4)
- John Bentley - Mike Carney (ep27)
- John Bianco - Worker #2 (ep265), William Timmons (ep416)
- John Bland - Pharmacist (ep159)
- John Boyle - Dr. Carl Geller (ep259), Englander (ep363)
- John Braden - Linford (ep29)
- John C. Havens - Waiter (ep119), Dr. Jon Lehmann (ep310), Sergeant (ep358)
- John Cameron Mitchell - Eddie (ep111)
- John Camire - Paul (ep169)
- John Canada Terrell - Attendant (ep235)
- John Cariani - CSU Technician Julian Beck
- John Carpenter - Milton Gannett (ep155)
- John Christy Ewing - Dean (ep19)
- John Cleary - Paul Crandall (ep66)
- John Combs - Dr. Gertz (ep48), Steve Lanetti (ep171)
- John Connolly - Barnes (ep85)
- John Coughlin - Tommy (ep109), Timothy Stevens (ep155), Detective Douglas Rich (ep276), Driver (ep391)
- John Danelle - Malcolm Gardner (ep403)
- John Dewar - Hardware Store Owner (ep266)
- John Deyle - Jury Foreperson (ep247)
- John DiBenedetto - O'Malley (ep28), Manager (ep78), Bruce Couri (ep140), McGill (ep157), Caretaker (ep264), Irv Groener (ep318)
- John DiMaggio - Bartender (ep124)
- John DiResta - Det. Anderson (ep160)
- John Douglas Thompson - Lloyd Jackson (ep289)
- John E. Brady - Coroner's Assistant (ep146)
- John E. Mack - Officer McDow (ep369), Officer Dale McCloskey (ep418)
- John Eddins - Spencer Johnson (ep192)
- John Elsen - Officer Crain (ep129), Hank (ep211)
- John F. O'Donohue - David Carlson (ep300)
- John Farrell - Frank (ep288)
- John Finnerty - Nelson (ep52), Policeman #3 (ep78), Other Detective (ep83), Uniform Policeman (ep107), CSU Technician (ep152), Jury Foreman (ep180)
- John Fiore - Detective Tony Profaci
- John Forde - Dispatcher (ep302)
- John Forest - Mark (ep332)
- John Freiman - Man (ep347)
- John G. Connolly - Anderson (ep177)
- John G. Moraitis - John Patris (ep200)
- John G. Preston - Jeff Peters (ep297)
- John Gabriel - Bernard Kincaide (ep203)
- John Gallagher - Terrence Holt (ep270)
- John Gould Rubin - Charles Webb (ep110)
- John Hartmann - Clerk (ep222), Court Clerk (ep235)
- John Heffernan - Welch (ep36), Marvin Warner (ep241)
- John Henry - Jury Foreperson (ep317)
- John Henry Cox - Judge Everett Todd (ep357)
- John Henry Kurtz - Pelletier (ep19)
- John Hillner - Larry Taylor (ep212), Wesley McGrath (ep284), Terry Stratton (ep346)
- John Jellison - Mr. Teasdale (ep184), Paul Marra (ep239), Mike O'Dwyer (ep320)
- John Joseph Gallagher - Paddy O'Hagan (ep53), Eric Carlson (ep224), Buddha (ep250), Herb Carson (ep355)
- John Juback - Mr. Fenwick (ep37)
- John Knox - Sheriff Bell (ep299), Kevin (ep341)
- John Kudan - CSU Gorfand (ep109), Jerome (ep149)
- John LaGioia - Super (ep152), Sully (ep240)
- John Lantz - Ken McCurdy (ep137), Gil Steffano (ep217)
- John Leonard Thompson - Gil (ep115), Sam Franklin (ep186), Jake Lippman (ep340)
- John Leone - Dr. Saryal (ep87)
- John Little - Morgue Attendant (ep100)
- John Livingstone Rolle - Reggie (ep265), Festus Lepetu (ep383)
- John Lloyd Young - Cooper (ep282)
- John Louis Fischer - Uniformed Policeman (ep95), Assistant M.E. Neil Brock (ep281)
- John-Luke Montias - Alsie (ep239), Jimmy Baca (ep327)
- John M. Roney - Kenneally (ep77)
- John Magaro - Nathan Gersh (ep384)
- John Maucere - Richard Fiorello (ep66)
- John Mazurek - Court Clerk (ep453)
- John McAdams - Farley (ep235)
- John McGrane - Fred (ep144)
- John McLoughlin - Court Clerk (ep20), Jury Foreperson (ep65), Jury Foreman (ep105), Judge Lloyd Williams (ep155)
- John Mitchell - Lookey Lou (ep450)
- John Morrison - Balding Clerk (ep83)
- John Nacco - Corrections Officer (ep108), Mr. Libby (ep129), Stan Oblinger (ep196), Norm (ep259)
- John Nathan - Bob Stanhouse (ep176)
- John Newton - Trial Judge Eric Caffey, Judge Andrew Barsky (eep214)
- John Norman Thomas - Mark Thomas Marks (ep98)
- John O'Leary - Ronny Napoli (ep172)
- John Ottavino - Larry Kealey (ep31), Alan Lovitz (ep87), Manny Turner (ep196), Sergeant (ep284)
- John P. Connolly - Nick (ep102)
- John Patrick Amedori - Zack (ep253)
- John Patrick Hayden - Taxi Husband (ep43)
- John Pawlowski - Harold Shalowitz (ep263)
- John Penwarden - Bobm (ep322)
- John-Peter Linton - Buckner (ep185)
- John Philbin - Fleet Manager (ep150)
- John Pieza - Assistant ME Paul Sharlett (eps354, 388)
- John Procaccino - Suiter (ep48)
- John Quinn - Kelman (ep59), Man #1 (ep110), Hotel Dick (ep143), Sal Lange (ep192)
- John Rafael Peralta - Alex (ep265)
- John Rainer - Jury Foreman (ep98), Juror #2 (ep114), Barry Devine (ep147)
- John Ramsey - Judge Douglas Dowling (ep22), Judge Walter Schreiber
- John Randolph Jones - Arson Detective (ep121), Bronx Precinct Lieutenant (ep245), Engineer (ep349)
- John Richard Hartmann - Police Property Clerk (ep165)
- John Ring - Guard #1 (ep83), Duke (ep121), Satya (ep211)
- John Robinson - Dr. Andrews (ep155)
- John Roney - Walter Wells (ep162), Steve Aks (ep192), Detective Hill (ep252), Third Commuter (ep349)
- John Rue - Patrick Foster (ep441)
- John Santamaria - Bailiff (ep21)
- John Scherer - Pastor Peter Shea (ep388)
- John Schiappa - Rousch (ep223), DCPI Franks (ep375), Dan Huelsman (ep400)
- John Seidman - Lingard (ep43)
- John Shortall - Uniform Cop #2 (ep333)
- John Sierros - P.J. Grant (ep342)
- John Sloman - Dr. Edwin Pappas (ep280)
- John Solo - Uni #2 (ep412)
- John Stagnari - Reporter (ep344)
- John Stanisci - Arraignment Court Clerk (ep382), Forensics Technician (ep405)
- John Steven Jones - Bobby Griffen (ep85)
- John Sutherland - Clark Mohr (ep261)
- John Thomas - Hooshang (ep324)
- John Todd - Mr. Scott (ep250)
- John Tormey - Alan Krutsky (ep112), Tommy DeLuca (ep158), Det. Will Ashman (ep290)
- John Treacy Egan - Jeff (ep333)
- John Viener - Harvey Wallace (ep374)
- John Wojda - Hank (ep271), Detective Jay Nitzke (ep410)
- John Woodson - Detective Henry Jones (ep129)
- John Wylie - Joseph Sandburg (ep200)
- John Younger - Doctor (ep105)
- Johnnie Mae - Laticia Ramis (ep51), Mama Mays (ep165)
- Johnny Alan Garcia - Jose Duarte (ep148)
- Johnny Dapolito - Palone (ep19), Danny Jones (ep179), Danny Jones (ep181)
- Johnny Giacalone - Mitch Lewis (ep72)
- Johnny Lancaster - Student #3 (ep234)
- Johnny Lee Davenport - Reverend Theodore Dempsey (ep183)
- Johnny Mez - Vincent McCluskey (ep371)
- Johnny Moreno - Detective #1 (ep163)
- Johnny Pruitt - Stock Boy (ep366)
- Johnny Sparks - Rich (ep373)
- Jojo Sydenham - Second Reporter (ep137)
- Jon Brent Curry - CSU Technician (ep135)
- Jon E. Edwards - Singer (ep84)
- Jon Krupp - Kevin Roth (ep272), Graham Wilson (ep319), Lee Bremmen (ep395)
- Jon Lee - Robert Hayashi (ep119)
- Jon Manfrellotti - Detective Morelli (ep51)
- Jon Prescott - Davey Burke (ep426)
- Jon Rua - Benito (ep426)
- Jon Shaver - Officer Diego (ep204), Brandon Gregory (ep371)
- Jon Vandertholen - CSU Landau (ep85)
- Jonas Gabriel - Jake (ep366)
- Jonathan C. Green - Lionel Hartigan (ep402)
- Jonathan Epstein - Samuel Isaacson (ep216), Judge Patrick Devon (ep437)
- Jonathan Fried - Ken Fortunada (ep214), James Hewitt (ep420)
- Jonathan Gutierrez - Manuel (ep456)
- Jonathan Hammond - Jacob Jedda (ep324)
- Jonathan Hova - Israeli (ep231)
- Jonathan Lieb - Mark Maderosian (ep243)
- Jonathan Orsini - Uniform (ep446)
- Jonathan Partington - Donny Boyd (ep352)
- Jonathan Roumie - Richie Citrone (ep411)
- Jonathan Sale - Marv (ep288), Todd Stewart (ep399), Detective Ron Holden (ep452)
- Jonathan Teague Cook - Bum (ep21), Henry Maybrook (ep93), Marty Fine (ep135), Paul Bregman (ep249), Leo (ep401)
- Jonathan Tindle - Tomas Anders (ep319)
- Jonathan Togo - Eddie (ep306)
- Jones Miller - Becca (ep376)
- Jonno Roberts - Barry Boyd (ep309)
- Jordan Baker - Judge Claire Walton (ep454)
- Jordan Bayne - Melody Kane (ep186)
- Jordan Burt - Timothy Moore (ep429)
- Jordan Dean - Neil Whitman (ep412)
- Jordan Lage - Jury Foreman (ep124), Charles (ep141), Dr. Harvey Purcell (ep187), Buddy Marks (ep247), Jeff Bodner (ep278), Defense Attorney William Tyrell (eps395, 432)
- Jordan Leeds - Dr. Lawson (ep79), Joseph Kaiser (ep146), M.E. Brian Asquith (ep220), Scott (ep295), Trial Judge Harold Gordon
- Jordan Lund - Lester Bishop (ep105), Laramy (ep147)
- Jordan Matter - Manager (ep231)
- Jordan Mott - Officer Duffy (ep116)
- Jordan Reid Berkow - Iris Collier (ep148), Lori Summers (ep191)
- Jordan Simmons - Intern #1 (ep315)
- Jordana Jacobs - Rachel Strelzik (ep288)
- Jorge Pupo - Reynaldo Rodriguez (ep232), Maitre D' (ep300), Pastor (ep386)
- Joris Stuyck - Daniel Jordan (ep208)
- Jorjan Fox - Paula Engren (ep64)
- José E. Serrano - Judge Luis Rodriguez (ep99)
- Jose Edwin Soto - Juan (ep289), Emiliano Ortiz (ep345)
- Jose Febus - Store Clerk (ep315), Cook (ep343), First Juror (ep408)
- José Rabelo - Madero (ep49), Ramirez (ep70), Juror #3 (ep114)
- José Ramón Rosario - Administrator (ep2), Det. Emory (ep93), Detective Monfredo (ep123), Rudy Ortega (ep208)
- Jose Sanchez - Day Laborer (ep354)
- Jose Sonera - CCS Tech (ep445)
- Jose Ynoa - Angel (ep27), Jose Montoya (ep70)
- Joselin Reyes - Katherine Halsey (ep407)
- Joseph A. Halsey - Bill (ep322), Uni (ep385), Uniform (ep398)
- Joseph Amato - Uni (ep386)
- Joseph Amodei - Joe Bova (ep55)
- Joseph Blair - Son (ep184)
- Joseph Costa - Produce Seller (ep116), Mr. Hatcher (ep272)
- Joseph Culliton - Warren Slater (ep265)
- Joseph D'Onofrio - John Rotelli (ep311)
- Joseph Dobish - Bailiff #2 (ep18)
- Joseph Edward - Court Clerk (ep378)
- Joseph Hein - J.J. (ep236)
- Joseph Jamrog - Strawn (ep70), George Bigelow (ep182)
- Joseph Kamal - Derrick Lane (ep170)
- Joseph Kolinski - Kerry Crane (ep333)
- Joseph Latimore - Black Cop (ep46)
- Joseph Mosso - Policeman (ep34-35), Policeman #2 (ep70), Second Uniformed Policeman (ep108)
- Joseph P. Dandry - Day Doorman (ep168)
- Joseph Palese - Court Clerk (ep145)
- Joseph Palmas - Lui (ep5)
- Joseph Parks - Bob Carpenter (ep432)
- Joseph Priestly - Jury Foreman (ep182)
- Joseph R. Gannascoli - Artie Baldo (ep321)
- Joseph R. Sicari - Al Norman (ep40), Coach Bud Genero (ep84), Eugene Frottano (ep210)
- Joseph Riccobene - Policeman (ep154), Peter Righetti (ep313)
- Joseph Temperini - Billy (ep207), Max (ep294)
- Joseph Tudisco - Driver (ep247), James Rooney (ep322), Dingess (ep454)
- Joseph Vincent Gay - Terry Small (ep202), Culver (ep242), Officer Tyler Barnes (ep291), Uniform Officer Penner (ep311), Uniform Gop #2 (ep327), Uni (ep348), Uniform Cop #2 (ep350)
- Josh Alexander - Stanley Hammond (ep392), Nick Gates (ep412)
- Josh Casaubon - Sean Archer (ep383)
- Josh Kleinmuntz - CSU Officer (ep246), Court Clerk (ep278)
- Josh Liveright - Jogger (ep125), NY Traffic Division Clerk (ep150), Detective Wurlitzer (ep198), Harold Dolan (ep377)
- Josh Pais - Cioran (ep3), Assistant M.E. Borak, Keller (ep61)
- Josh Radnor - Robert Kitson (ep268)
- Josh Stamberg - CSU Mechanic (ep168)
- Josh Tyson - Wine Salesman One (ep379)
- Josh Weinstein - Peter (ep36)
- Joshua Burrow - Evan Corliss (ep425)
- Joshua Gomez - Edwin Morales (ep258)
- Joshua Nelson - Policeman #1 (ep250), Rios (ep412, 431)
- Joshua Stern - CSU Policeman (ep53)
- Josie Chavez - Donna Davis (ep200)
- Joy Franz - Customer (ep258)
- Joy Suprano - Portia (ep421)
- Joyce Curtis - Jury Foreperson (ep205), Uniform Policewoman (ep238)
- Joyce Korbin - Lillian (ep88)
- Joyce Lee - Foreperson (ep251)
- Joyce Lynn O'Connor - Beth Kellner (ep103), Mrs. Reynolds (ep141), Linda Ashton (ep212)
- Juan C. Piedrahita - Trinidad (ep282)
- Juan Cruz - Angel Ramirez (ep81)
- Juan Villarreal - Juror (ep374)
- Jud Meyers - Jerry (ep102), Reporter (ep151)
- Judd Trichter - Matt (ep37), Jerry Hart (ep118)
- Judi Beecher - Lisa Vitello (ep304)
- Judith Delgado - Leslie Clark (ep276)
- Judith Granite - Marcella (ep132)
- Judith Lightfoot Clarke - Dr. Lucy Harker (ep220), Melanie Huelsman (ep400)
- Judith Moreland - Dr. Bettina Osgood (ep101)
- Judith Scarpone - Roz Fierstein (ep210)
- Judson Camp - Cistal (ep13)
- Judy Del Giudice - Rose McCutcheon (ep237), Manager (ep356)
- Judy Frank - Judge Jean Bryant, Judge #1 (ep252), Cynthia Walden (ep343)
- Judy Gold - Deborah Patterson (ep226)
- Judy Jacksina - Nancy Kroll (ep72)
- Judy Kaye - Trial Judge Susan Lehman
- Julia K. Murney - Marge Hollenbach (ep320)
- Julia Mueller - Lisa Gibson (ep202)
- Julia Pace Mitchell - ER. Dr. Hass (ep327)
- Julia Panely - Woman (ep159)
- Julia Weldon - Sally Maxwell (ep179)
- Julian Gamble - Councilman Jack Rabe (ep113), Judge P. Slattery (eps136, 178), Gerald Fox (ep199)
- Julian Joseph - Charles (ep441)
- Julian Rebolledo - Lt. Orra (ep229)
- Julianne Hoffenberg - CSU Technician (ep130)
- Julie Fitzpatrick - Mona Theroux (ep411)
- Julie Follansbee - Rose Bing (ep177)
- Julie Halston - Jane (ep12)
- Julie Jesneck - TARU Tech Samantha Grimes (ep395)
- Julie Lancaster - Faith Chazin (ep209)
- Julie Lauren - Linda (ep147), Ellen Fogarty (ep391)
- Julie White - Waitress (ep16), Sandy (ep34)
- Juliet Pritner - Judge Laura Oldman (ep376)
- June Ballinger - Kate Krolinsky (ep108)
- June Squibb - Sylvia Sherman (ep100), Eileen De Rose (ep209)
- June Stein - Munro (ep34), Woman (ep111)
- Juney Smith - Reporter #3 (ep11)
- Jurian Hughes - Asstant ME Gardner (eps96, 135), Sarah Kelly (ep262), Susan Roberts (ep314)
- Justin Cozier - Franklin "T-Ball" Howard (ep17)
- Justin Edmund - Andrew Howard (ep222)
- Justin Grace - Chris Borrato (ep385)
- Justin Kennedy - Belcher (ep124)
- Justin McCarthy - Randy Ashton (ep120)
- Justin Swain - CSU Investigator (ep450)
- Justine Caputo - Chloe Wagner (ep297), Jenna Wechsler (ep374)
- Justine Miceli - Mailroom Clerk (ep43), Lorraine Schwab (ep48)
- K.J. Sanchez - Maria Sebago (ep199), Isabel (ep230)
- Kacie Sheik - Bonnie Allman (ep439)
- Kahan James - AUSA Andrew Spivack (ep309)
- Kaipo Schwab - CSU Officer (ep403)
- Kale Browne - Dale Thornhill (ep426)
- Kaleo Griffith - Dave (ep346)
- Kalimi Baxter - Andrea Jarell (ep171)
- Kamal Marayati - Soucha (ep207)
- Kamali Minter - Allie Johnson (ep222)
- Kamel Boutros - Glenn Mowbray (ep440)
- Kamilah Forbes - Sally (ep367)
- Karen Bergreen - Emma Govans (ep178)
- Karen Byers - Sheila Pierson (ep69)
- Karen Culp - Lindsay McManus (ep185), Carolyn (ep406)
- Karen Evans Kandel - Bella (ep97), Margaret White (ep125)
- Karen Fineman - Jackie Ruggiero (ep128)
- Karen Giordano - Maxine (ep72)
- Karen Goberman - Martha McSorley (ep177), Blair Silverman (ep287)
- Karen Huie - Nori Kitamachi (ep242), Mrs. Yee (ep397)
- Karen Ludwig - Judge Martha Archer (eps376, 384)
- Karen MacDonald - Mrs. Horton (ep159)
- Karen Mason - Brenda Hughes (ep173)
- Karen McLaughlin - Ann Radley (ep33)
- Karen Myrie - Claudia (ep8)
- Karen Olivo - Isabella Perez (ep355)
- Karen Pittman - Amanda Rendina (ep426)
- Karen Sillas - Cynthia Thomas (ep82)
- Karen Trott - Secretary (ep104)
- Karen Tsen Lee - Judge Diane Ling (ep392)
- Karen Ullman - Secretary (ep124), Jury Foreperson (ep151)
- Karen Walsh - Young Female A.D.A. (ep409), Diane Crutchfield (ep443)
- Karen Williams - Christen (ep80), Monica Wickles (ep129)
- Karim Sioud - Uni Benitez (ep383)
- Karina Arroyave - Revina (ep13), Candy Pacheco (ep189)
- Karina Casiano - Flora Escobedo (ep415)
- Karl Herlinger - Jury Foreperson (ep376)
- Karl Kenzler - Arraignment Clerk (ep213)
- Karole Foreman - Cynthia Mayberry (ep282)
- Karron Graves - Lori (ep37), Patti (ep69), Debbi Linz (ep416)
- Karyn Quackenbush - Mrs. Bowker (ep195)
- Kat Garson - Rachel (ep402)
- Kat Pogo - Sabina Montgomery (ep335)
- Kate Forbes - Joan Weimer (ep414)
- Kate Gilligan - Suzie Kessler (ep401)
- Kate Goehring - Charlene Sturgess (ep300)
- Kate Guyton - Kelly (ep380)
- Kate Hampton - Jessica Heras (ep329), Valerie Whitman (ep403)
- Kate Levy - Judge Marlene Kerner (ep276)
- Kate Mara - Jenna Erlich (ep165)
- Kate Middleton - Paula Carvahal (ep372)
- Kate Miller - Dana Shelton (ep295), Defense Attorney Madeline Myers (eps318, 393)
- Kate Nowlin - Alison (ep332), Mary Gable (ep422)
- Kate Rigg - Anne Forbes (ep175), Administrator (ep260), Defense Attorney Sally Xiao (eps286, 317)
- Kate Rogal - Nina Wilshere (ep440)
- Kate Sanders - Naomi (ep329)
- Kate Strohbehn - Julie Marcheck (ep339)
- Kate Udall - Veronica Drake (ep369)
- Kate Wilkinson - Gray-Haired Lady (ep1)
- Katherine Alt Keener - Foreperson (ep403)
- Katherine Hiler - Young Mother (ep112), Jodi Reeves (ep265)
- Katherine Leask - Andrea Pascal (ep208), Ruth Galan (ep302)
- Katherine Narducci - Mrs. Marsh (ep145)
- Katherine Newlon - Jury Foreperson (ep131)
- Katherine Sigismund - Hayley Dawson (ep423)
- Kathleen Butler - Janet Grimes (ep219), Audrey Dunn (ep249)
- Kathleen Demarest - Jury Foreperson (ep346)
- Kathleen Dennehy - Sally (ep127)
- Kathleen Hunt - Linda Fox (ep251)
- Kathleen Kaefer - Patricia Shore (ep274)
- Kathleen O'Grady - Laura Felder (ep210), Amy Forthman (ep329)
- Kathryn Alexander - Jury Foreperson (ep391)
- Kathryn Markey - Jury Foreperson (ep384)
- Kathy Danzer - Jury Foreperson (ep302)
- Kathy Deitch - Amy Hart (ep447)
- Kathy Lichter - Mrs. Starr (ep326)
- Kathy Morath - Dr. Eileen Reed (ep100)
- Kathy Searle - Sylvia Corgan (ep449)
- Kathy Shao-Lin Lee - Lily Yee (ep397)
- Kati Rediger - Blair Carlson (ep426)
- Katie Barrett - Zhora (ep395)
- Katie C. Sparer - Martha Davies (ep182), Mrs. Marello (ep329)
- Katie Kreisler - Stephie (ep278), Jill Casey (ep438)
- Katie Sagona - Antonia Bright (ep204)
- Katori Hall - Assistant Medical Examiner (ep453)
- Katrina Lantz - Suzy Kamecki (ep91)
- Katy Grenfell - Eileen Griswold (ep348)
- Katya Campbell - Gwen (ep399)
- Kavi Ladnier - Indian Woman (ep335)
- Kay McClelland - Kathy Burns (ep146)
- Kay Walbye - Jury Forewoman (ep74), Neighbor (ep241)
- Kayla Black - Nurse Davis (ep21)
- KB Nau - Corrections Officer Nolan (ep380)
- Kecia Lewis-Evans - Langstrom (ep41)
- Keely Eastley - Jury Forewoman (ep119), Judge Lillian Barone (eps151, 182)
- Keenan Shimizu - Detective Kwan (ep126), CSU Technician Hsu (ep183), Deli Owner (ep276)
- Keisha Trim - Chantal (ep317)
- Keith Alan Benjamin - Director (ep218)
- Keith Byron Kirk - Porter (ep101), Officer Beaudouin (ep132), Forensic Technician (ep308)
- Keith Charles - Bryce Wilkerson (ep188)
- Keith Davis - John Jefferson (ep289), Big Chuck (ep413)
- Keith Diamond - Officer Jackson (ep24)
- Keith Eric Chappelle - Gavin Edlund (ep380)
- Keith Franklin - Jonas (ep207)
- Keith Glover - Reporter #2 (ep22)
- Keith Jochim - Podesta (ep133), Leonard Franks (ep323)
- Keith Langsdale - Nicholas Teller (ep78), Rose Laurin (ep102)
- Keith Nobbs - Adam (ep249), Evan Tario (ep267)
- Keith Powell - Mike (ep338)
- Keith Randolph Smith - Madison (ep27), Morris Keach (ep164)
- Kel-J Vann - Andres (ep181)
- Kelle Kerr - Jasmine (ep7), Antoinette Crossley (ep111)
- Kellie Overbey - Cheryl (ep4), Trish Klassen (ep419)
- Kelly AuCoin - First Assistant (ep180), Pat Callister (ep223), Rich Porter (ep254), Andrew Semel (ep361)
- Kelly Cinnante - Policewoman (ep11), Kathy Connor (ep224)
- Kelly Coffield Park - Joanne Citron (ep339), Helen Weiss (ep429)
- Kelly Cole - Richie (ep249)
- Kelly Demaret - Susan Wexler (ep392), Lila Dresner (ep409)
- Kelly DeMartino - Photo Assistant (ep221)
- Kelly Eviston - Jennifer Gaylin (ep170)
- Kelly Kirklyn - Jury Foreperson #2 (ep361)
- Kelly McAndrew - Denise Braddington (ep429)
- Kelsie Morales - Maid #1 (ep159)
- Ken Arnold - Man in Suit (ep429)
- Ken Cheeseman - Jeffrey Bowerman (ep322)
- Ken Forman - Bartender (ep149), Dempsey (ep325), Surveyor #1 (ep374)
- Ken Garito - Montgomery (ep208)
- Ken Goodstein - Band Leader (ep332)
- Ken Jennings - Court Clerk (ep199)
- Ken Johnston - Ryan Cutrona (ep14)
- Ken Krugman - Foreperson (ep360), Court Clerk (ep443)
- Ken Land - Carl Bishop (ep99), Burt Kellerman (ep216)
- Ken LaRon - Winston Gilbert (ep188)
- Ken Larsen - Neeley (ep65), Policeman #1 (ep88)
- Ken Marks - Agent Ruggiero (ep172), Brian Klassen (ep419)
- Ken Threet - First Uniform Policeman (ep111)
- Ken Triwush - EMT Worker #2 (ep339)
- Kenajuan Bentley - Driver (ep443)
- Kendra Leigh Landon - Alicia Parsons (ep314)
- Kenji - NHK TV Reporter (ep323)
- Kennan Scott - Kid #2 (ep37)
- Kenneth Garner - Maitre D' (ep147), Mark Vance (ep209)
- Kenneth Rock - Clerk (ep181)
- Kenneth Ryan - Jeff Dreisner (ep271)
- Kenny Cranna - Number Four (ep153)
- Kenny Shapiro - Camara Operator (ep338)
- Kenny Simmons - Lift Operator (ep350)
- Kent Cassella - Harkavy (ep185), Mr. Fisher (ep269)
- Kent Jackman - Orderly (ep107)
- Keona Welch - Marissa Rumstead (ep444)
- Keong Sim - Delivery Man (ep329)
- Kerrianne Spellman Cort - Mercer (ep211), Assistant ME Sally Lane (eps285, 294), Reporter #2 (ep342)
- Kerrie Blaisdell - Lisa (ep224)
- Kesed Ragin - Sean (ep289)
- Keskhemnu - Eric Faulkner (ep222)
- Kevin Alexander - Dr. Webb (ep68), Fingerprint Technican (ep137), CSU Dryden (ep156), Detective Bell (ep255), Sergeant Patterson (ep329), MLI Mark Rainey (ep435)
- Kevin Amalia - Wayne (ep48), Wheeler (ep68)
- Kevin Ash - Arraignment Clerk (ep204)
- Kevin Brodley - Dan Pellicioni (ep192)
- Kevin Cahoon - Scott Soluk (ep307)
- Kevin Carolan - Chief Archie Dillman (ep420)
- Kevin Carrigan - Sergeant (ep243)
- Kevin Collins - Adolphus White (ep413)
- Kevin Daniels - Reporter #3 (ep222)
- Kevin Davis - Barton (ep45), Newman (ep88)
- Kevin Draine - Paul (ep388)
- Kevin Elden - Oscar Castellano (ep182), CSU Detective Kett (ep195), Dan Hayala (ep206), Payton (ep250), Bernie (ep309)
- Kevin Eshelman - Policeman #2 (ep2), Repairman (ep38), Billy Doyle (ep48)
- Kevin Hagan - McAnally (ep23), Captain (ep65), Detective O'Hearn (ep87), Mr. O'Connor (ep200)
- Kevin Hurley - Brother (ep158)
- Kevin Interdonato - Ralph Ricci (ep412)
- Kevin J. Flynn - Uniform (ep254)
- Kevin James Kelly - Gustavo DePalma (ep296)
- Kevin Kane Jr. - Matt Preminger (ep268), Uni #1 (ep356)
- Kevin Karrick - Ted Enwright (ep322)
- Kevin Kash - Marvin (ep153), Tony Shaeffer (ep245), Pauley (ep392)
- Kevin Mambo - Sal (ep298), Karl Farber (ep367)
- Kevin McClarnon - Bobby Parke (ep223)
- Kevin McCready - Court Clerk (ep225)
- Kevin Michael Collins - Walt Gaines (ep373)
- Kevin N. Davis - John Laramie (ep251)
- Kevin Nagle - Stu (ep227), Chuck (ep279)
- Kevin O'Morrison - Judge Boyack (ep21), Judge Spector (ep29)
- Kevin Orton - William Cross (ep205)
- Kevin Pinassi - Butch (ep300)
- Kevin Prowse - Santiago (ep360)
- Kevin Rennard - Toreador (ep234)
- Kevin Rivera - Brian (ep300)
- Kevin Rock - Doug Brewer (ep63), First Uniform Policeman (ep132)
- Kevin Scott Henderson - Doug Larsen (ep263), Guertz (ep301)
- Kevin Scullin - Court Clerk (eps317, 328)
- Kevin Sibley - Arraignment Clerk (ep227), Prisoner (ep233), Detective (ep266), Foreman (ep335)
- Kevin Stapleton - Don Hamilton (ep378)
- Kevin Sussman - Joe (ep125)
- Kevin T. Collins - Assistant ME Mel Fine (ep367), Asst. M.E. Gilroy (ep392)
- Kevin Thigpen - Isaac Roberts (ep85)
- Kevin Townley - Lyle (ep399)
- Kevyn Morrow - Adam Owens (ep444)
- Khan Baykal - Terry Blanchard (ep372)
- Khanya Mkhize - Shantay (ep231)
- Khaz B. - Mack (ep262)
- Kia Gravesv - Elise Mills (ep102)
- Kia Joy Goodwin - Asst. M.E. Kendra Washington (ep393)
- Kilty Reidy - Foreperson (ep382)
- Kim Brockington - Josette Dobbs (ep204)
- Kim Chan - Restaurant Manager (ep32)
- Kim Ders - Protester #1 (ep353)
- Kim Director - Waitress (ep245), Young Female Undercover Cop (ep329)
- Kim Gambino - Lawson (ep355)
- Kim Staunton - Ms. Clayton (ep40), Sally Parks (ep95), Luanne Doyle (ep130)
- Kim Sykes - Joanne Howard (ep222)
- Kim Topper - Meredith (ep285)
- Kim Winter - CSU Andrea McKnight (ep220)
- Kim Yancey - Detective Styles (ep104), Nurse Judy Paxton (ep161), Leslie Sawyer (ep213)
- Kimberley Pistone - Sara (ep34), Lois Henick (ep198)
- Kimberly Hebert Gregory - Grand Juror #4 (ep456)
- Kira Arné - Teena Varga (ep99)
- Kiran Merchant - Dr. Adnan Gidamal (ep171), Sanjit Korde (ep312), Dr. Edward Choudhary (ep396)
- Kirby Mitchell - Wounded Man (ep206), Brian Weimer (ep414)
- Kirk McGee - Duke Boone (ep406)
- Kirk Taylor - Dr. Reid (ep46), Graham (ep124)
- Kristen Rozanski - Kim (ep399)
- Kirsten Russell - Helen Clark (ep300)
- Kirsten Sahs - CSU Technician (eps299, 308), Assistant Medical Examiner (ep324)
- Kristi Flynn - Clarissa Hamilton (ep325)
- Kirsty Hinchcliffe - Birgit (ep301)
- Kisha Miller - Astrea Crawford (ep11)
- Kit Flanagan - Joan Zinns (ep87), Connie Henderson (ep283)
- Kitty Chen - Chong (ep75), Trial Judge Elizabeth Yee (ep90, 156)
- Kiya Ann Joyce - First Reporter (ep132)
- Kola Ogundiran - FTD Man (ep281), Delivery Guy (ep319), Ephraim Mogae (ep383)
- Konstantine Kurelias - Reporter (ep445)
- Kris Carr - Clair (ep244)
- Krishen Mehta - Melik Hoca (ep246)
- Kristanna Loken - Sonya Dubrow (ep127)
- Kristen Bough - Nicole Shoemaker (ep451)
- Kristen Sieh - Cathy (ep284)
- Kristin Flanders - Terri Hilliard (ep209)
- Kristin Myles - Sasha Kroger (ep446)
- Kristin Rohde - CSU Margo Sterger (ep212)
- Kristina Klebe - Jill Dupree (ep352)
- Kristine Nielson - Marcia Caine (ep28)
- Krysten Ritter - Tracy Warren (ep321)
- Kurt Knudson - Judge Ari Waxman
- Kurt Rhoads - Kevin Stafford (ep238), Jeffrey Goldsmith (ep314), Mike Wells (ep362)
- Kylie Delre - Actress (ep334)
- Kylie Roslin - Six Year Old (ep411)
- L.B. Williams - Foreman (ep290), Al (ep398)
- L.J. Ganser - Glover (ep309)
- La Tanya Hall - Carlita Mazariegos (ep209), Allison Dale (ep388)
- LaDonna Mabry - Dubief (eps74, 93), Marsha Alston (ep193)
- Laduane Allen - Calvin (ep17)
- Laine Valentino - Bea Goring (ep177), Jean Kellogg (ep218)
- Laiona Michelle - Sergeant Lisa Polizzi (ep417)
- Lair Torrent - Matt Roberts (ep312)
- Lalanya Masters - Sadie Lawton (ep222)
- Lane Binkley - Darcy Adams (ep307)
- Langdon Bosarge - Fashionista (ep325)
- Lanie MacEwan - Susan Alford (ep250), Diane Moore (ep429)
- Lannyl Stephens - Alyana Dixon (eps204-205)
- Larissa Thurston - Lisa (ep131), Melanie (ep273)
- Larkin Malloy - Doug Barsky (ep298)
- Larry Attile - Foreman (ep12), Anderson (ep29), Stefansky (ep84), Drinking Man (ep105), Williams (ep123), Bob DeLuca (ep140)
- Larry Block - Feldman (ep33), Slater (ep107), Stan (ep173), Darryl Moffatt (ep275)
- Larry Cahn - Dr. Marshall O'Grady (ep288)
- Larry Clarke - Dr. Norman Ganz (ep155), Detective Morris LaMotte
- Larry Fleischman - Policeman #1 (ep61), Szyzmanski (ep147)
- Larry Green - Juror Gillette (ep24), Polisi (ep78), Forensics Technician Jackson (ep183)
- Larry Paulsen - Judge Adam Milgram (ep249)
- Larry Preston - David Tolchuck (ep331)
- Larry Ramos - Luis Lopez (ep49)
- Larry S. Gregory - Novogrod (ep72), First Uniform Policeman (ep120), Court Officer (ep200), Stevens (ep207), Uniform Cop #2 (ep268), Guard (ep313)
- Larry Sherman - Judge Colin Fraser, Judge Irving Hawes (ep346)
- Lars Hanson - Mark Holden (ep89)
- LaTanya Richardson - Lorraine (ep12), Anne Houston (ep39)
- Latarsha Rose - Tina (ep222)
- LaTonya Borsay - School Safety Agent (ep447)
- Laura Bowman - Young Woman (ep406)
- Laura Campbell - Justine Stebbins (ep448)
- Laura E. Johnston - Nurse Garland (ep382), Jury Foreman (ep450)
- Laura Ekstrand - Reporter #1 (ep160)
- Laura Fallon - Rebecca Kent (ep238)
- Laura Gómez - Claudia (ep413)
- Laura Hughes - Mary Lonegan (ep250), Louise Hamilton (ep325)
- Laura Kai Chen - Amanda Yuen (ep360)
- Laura Marie Duncan - Tracy Underwood (ep299)
- Laura Michelle Smith - Amy Lane (ep299), Jury Forewoman (ep323)
- Laura Moss - Maxanne Vollers (ep187)
- Laura Sametz - Janice Watt (ep47), Sheila (ep275)
- Laura Spaeth - Reporter #1 (ep412)
- Lauren B. Martin - Calle (ep391)
- Lauren Bone - Angie (ep298)
- Lauren C. Mayhew - Melissa Gelson (ep270)
- Lauren Chapman - Gina Devore (ep356)
- Lauren Fortgang - Sherri (ep295)
- Lauren K. Woods - Mitch Rosenblum (ep98)
- Lauren Kyle - Jodi (ep89)
- Lauren M. Martin - Sarah (ep373), Judge Kessler (ep394)
- Lauren McCord - Carla Jolson (ep450)
- Lauren Mitchell - Judith Elson (ep100)
- Laurence Blum - School Uniform (ep380)
- Laurence Lau - Pancho Diamond (ep327)
- Laurence Lowry - Super (ep386)
- Laurence Mason - Roach (ep75)
- Laurie Gamache - Regina Loggerman (ep299)
- Laurie Heineman - Janice Kay (ep17), Sylvia Becker (ep234)
- Laurie Kennedy - Trial Judge Edna Shields (ep152), Trial Judge Bonnie Shields (ep182), Trial Judge Shields (ep267)
- Laurie Taylor-Williams - Ronda Rubin (ep64), Deidre Martin (ep98)
- Laurie Williams - Sharon Sutton (ep178), Stephanie Luchien (ep236), Ruth (ep328)
- Laurinda Barrett - Eve Branson (ep31)
- Laury Marker - Dr. Wells (ep69)
- Laverne Cox - Minnie (ep417)
- Lawrence David Kopp - Peter O'Mann (ep271), Dr. Harlan Diamond (ep299)
- Lawrence Feeney - P.O. Ben Van Vechten (ep361)
- Lawrence J. Russo - Detective (ep338)
- Lawrence Wayne Ballard - Capt. McVie (ep348), Sergeant Butler (ep435), ESU Officer (ep449)
- Lawrence Weber - Judge Sirkin (ep8)
- Lawrence Winslow - Hazmat Tech (ep390)
- Lawrence Woshner - Ernest Johnson (ep195)
- Lázaro Pérez - Nazarrio (ep65), Luis Polanco (ep147)
- Lea Franklin - Gina Dodd (ep217)
- Leah Curney - Nancy Hartwig (ep418)
- Leah Hocking - Alice (ep250)
- Leah Maddrie - Officer Trent (ep13)
- LeAnna Croom - Julianne Lowry (ep180)
- Lee Bryant - Melissa Thayer (ep80)
- Lee Cobb - Downey (ep161), Lieutenant Gilbert Rausch (ep183), Sergeant (ep240), Uniform Sergeant (ep257), Officer Morgan (ep301), Reynolds (ep333), Mike Colazzo (ep402)
- Lee D'Angelo - Helen Kurtzman (ep186)
- Lee Dolson - Jason (ep455)
- Lee Michael Buckman - Mr. Jacobi (ep216)
- Lee Michael Cohn - Man (ep253)
- Lee Sellars - Nathan Faber (ep176), Otto Boyd (ep225), Dr. John Faruzzi (ep318), Judge Kirk Landsberg
- Lee Shepherd - Trial Judge Joseph Gannon (eps37, 49), Percy Banner (ep102), Mr. Harlan (ep116), Ben Tanner (ep151), Lt. McIntyre (ep160), Defense Attorney Barry Kaufer (ep186)
- Lee Summers - Dr. David Monroe (ep90), Belmont Uniform Policeman (ep135)
- Leelai Demoz - Kyle Jefferson (ep193)
- Leia Thompson - Tori (ep378)
- Leif Riddell - Leif Riddell (ep246)
- Leigh Wade - Lori Emerson (ep396)
- Leighton Meester - Alyssa Turner (ep196)
- Leila Danette - Black Woman (ep83), Mrs. Banning (ep97), Mrs. Donner (ep124), Old Lady (ep254)
- Leila Gazale - Niloo Razi (ep331)
- Leith M. Burke - Danny (ep225)
- Len Gochman - Judge Gillion (ep28), Judge Scholl (ep43)
- Lena Armstrong - Jury Foreperson (ep378)
- Lena Georgas - Gwen (ep279)
- Lena Kaminsky - Teacher in Library (ep456)
- Lennie Loftin - Fogarty (ep12)
- Lenny Levi - Russian Street Vendor (ep380)
- Lenore Loveman - Lina Rosen (ep172)
- Lenore Zann - Tina (ep316)
- Leo Kittay - Melvin Desmond (ep343)
- Leo Marks - Slattery (ep190)
- Leo O'Brien - Tremaine Lewis (ep6), Red (ep13)
- Leo Schaff - Drug Customer #1 (ep116), Bennett Wainright (ep199)
- Leo V. Finnie III - Grand Juror #1 (ep258)
- Leon Adair Jr. - Eddie (ep248), Bailiff (eps282, 286), Court Clerk (ep306)
- Leon Addison Brown - Anttwon Robertson (ep175), Everold Daly (ep248)
- Leon B. Stevens - Judge Albert Parsons (ep114)
- Leon Quangle - Translator (ep255)
- Leonard Jackson - Marty (ep78)
- Leonard Thomas - Lucas (ep40), CSU Technician (ep244)
- Leonid Citer - Super (ep153), Alex Kostov (ep199)
- Leopold Lowe - Gino (ep385)
- Les J.N. Mau - Mr. Yee (ep397)
- Les McDonough - Jed Brandt (ep167), Mr. Miller (ep251), Bailiff (ep285)
- Lesli Kay - Amanda Taylor (ep295)
- Leslie Barrett - Appellate Judge Lewis Getman (eps71, 118)
- Leslie Cohen - Gina Fisher (ep312)
- Leslie Crocker Snyder - Judge Rebecca Logan
- Leslie Denniston - Sara Felder (ep80), Ellen Loomis (ep363)
- Leslie Elliard - Detective Jones (ep349)
- Leslie Eva Glaser - Clerk (ep298), Trainee (ep323)
- Leslie Gail - Elizabeth Nicodos (ep115)
- Leslie Goldman - Trial Judge Benjamin Harcourt
- Leslie Hibbard - Loren Nadel (ep120)
- Leslie Lachlan - Marcia Stanton (ep184)
- Leslie Nipkow - Stevens (ep89), CSU Tech Linda Jones (ep157, 173), EMT (ep248), Forewoman (ep368)
- Leslie Shenkel - First Jewish Man (ep360)
- Leslie White - Laura Abbott (ep180)
- Lethia Nall - Donna Moran (ep269), Natalie Curran (ep365)
- Lew Resseguie - Bartender (ep69)
- Lewis Arlt - Garrett Darby (ep71), John Ralston (ep115), Gerald Grove (ep187)
- Lewis Black - Director Franklin Frome (ep25)
- Lewis H. Gould - Brian Pike (ep80)
- Lex Monson - Homeless Man #1 (ep26)
- Lexie Sperduto - Nicole Lippman (ep237)
- Leyna Weber - Wife (ep266)
- Lia Yang - Dr. Chang (ep153), Emma Korimatsu (ep167), Tim Park (ep256), Yoriko Fujitsa (ep281)
- Liam Craig - CSU Technician (ep189), Doug Lurie (ep269), Pat Demmings (ep413)
- Liam Joynt - Arraignment Clerk (eps377, 388)
- Liam Mitchell - Maxwell (ep136), James Pinewald (ep192)
- Lianne Kressin - Mary Brennan (ep89)
- Libby George - Sandra Hall (ep270), Judge Iris Chapman
- Liberty Jean - Woman (ep139), Clerk (ep258)
- Lil Henderson - Woman (ep35), Operator #4 (ep65), Jury Forewoman (ep114), Lois Rainey (ep137), Grandma Mays (ep165)
- Lillian Langford - Reporter #1 (ep259)
- Lillian Lux - Sara Rosenberg (ep243)
- Lillias White - Streetwalker (ep7), Ms. Purvis (ep75), Susan Monroe (ep125)
- Lily Corvo - Tonya (ep383)
- Lily Froehlich - Mrs. Chong (ep42)
- Lily Knight - Tori Lasky (ep75), Penny McNeely (ep96)
- Lily Warren - Valerie Wright (ep102)
- Lin Tucci - Amy Cardenas (ep186)
- Linda Atkinson - Vitello (eps5, 16), Judge Kyle Gaines (ep127)
- Linda Cook - Paige (ep240), Sonya Bergman (ep262)
- Linda Froehlich - Reporter #1 (ep80)
- Linda Gillen - Mrs. Winters (ep102)
- Linda Halaska - Pauline Weitz (ep217), Leslie Desser (ep345)
- Linda Miller - Jury Foreperson (ep233),
- Linda Pierce - Abigail Hurst (ep89), Nancy Farber (ep138)
- Linda Powell - Suzanne Davis (ep133), Emily Wilson (ep215)
- Linda Romoff - Sandra Hsu (ep223)
- Lindsay Campbell - Pretty Girl #1 (ep425)
- Lindsay Rodio - Jennifer (ep55)
- Lindsey Gentile - Celia (ep386)
- Lionel Pina - Valdez (ep56), Samms (ep89), Officer Ortega (ep129)
- Lisa Altomare - Marilyn (ep169)
- Lisa Bansavage - Ann Belmar (ep331)
- Lisa Barnes - Dina Worley (ep328)
- Lisa Beth Miller - Trauner (ep31), Laura Todd (ep50), Policewoman (ep121)
- Lisa Birnbaum - Carol (ep455)
- Lisa Branch - Shandra (ep262)
- Lisa Datz - Lisa (ep321), Joanne Cahill (ep397)
- Lisa Gorlitsky - Rachel Speicher (ep360)
- Lisa Kron - CSU Warner (ep123), Warren (ep129), CSU Technician Andrews (ep196)
- Lisa Lisa - Lucy Mireles (ep301)
- Lisa Nicole Carson - Jasmine (ep25)
- Lisa Peluso - Audrey Lortell (ep406)
- Lisa Renee Pitts - Regina Cobb (ep209)
- Lisa Roberts Gillan - Madelyn Bishop (ep200)
- Lisa Romain - Grand Juror (ep401)
- Lisa Velten Smith - Vanessa (ep386)
- Lisby Larson - Diana Van Horn (ep208), Mrs. Harrison (ep343)
- Lisen Sundgren - Christina Jurgsen (ep55)
- Lissette Espaillat - Santiago (ep454)
- Livia Scott - Foreperson (ep437)
- Liz Morton - Stephanie Lawson (ep329)
- Liz Robbins - Foreperson (ep219)
- Liza D'Agostino - Video Tech (ep340)
- Lizan Mitchell - Judge Lerner (ep52), Dorothy Meredith (ep243)
- Lizzy Cooper Davis - Assistant (ep276), Kelly (ep324), Assistant ME Carla Birch
- Lloyd Booker - Cop (ep330), Juror (ep361)
- Lloyd Hollar - Deli Customer (ep116)
- Lohrasp Kansara - Ali Hossam (ep436)
- Lois Markle - Ms. Kaplan (ep157), Kali Doxiadis (ep237)
- Lois Robbins - Mattie Kellerman (ep216), Laurie (ep319)
- Lola Powers - Mrs. Krinsky (ep155), Carol Martin (ep246)
- Lolita Lesheim - Carol (ep4)
- Lora Chio - Andrea Gelman (ep307)
- Loraine Velez - Abby Bishop (ep283)
- Lorca Simons - Jesse Fink (ep337)
- Lord Jamar - Leon Griggs (ep275)
- Lori Alan - Martha (ep4)
- Lori Brown - Martha (ep82)
- Lori Funk - Nancy Newton (ep448)
- Lori Prince - Sherry Kreidel (ep392)
- Lorijean Nichols - Cheryl Ippolito (ep223)
- Lou Bonacki - Building Super (ep174), Armand Libretti (ep194), Mr. Russo (ep241), Tony Rosatti (ep283)
- Lou Carbonneau - Crime Technician (ep290), Des Chiarella (ep407)
- Lou Ferguson - Alec Femaine (ep320)
- Lou Irizarry - Arraignment Clerk (eps400, 438), Clerk (eps411, 455), Court Clerk (ep419)
- Lou Martini Jr. - Melton (ep25), CSU Policeman (ep51), Uniform Policeman (ep83), Detective Rossman (ep193), Sgt. Van Fleet (ep371)
- Lou Sones - Clerk, Court Officer (eps258, 302)
- Lou Sumrall - Cooper (ep118), John Garvey (ep380)
- Lou Torres - Owner (ep350)
- Louie Leonardo - Det. Sandaval (ep161), Joe Pena (ep247), William Morales (ep274)
- Louie Torrellas - Jailed Teenager (ep401)
- Louis Butelli - Clerk (ep431)
- Louis Cantarini - Guard (ep5), Diggs (ep73), Vernon Link (ep137), Joe Pintozzi (ep217)
- Louis D. Giovannetti - Mario (ep155)
- Louis Martinez - Carlos Ramierez (ep368)
- Louis Mustillo - Tom Kelly (ep274)
- Louis Ozawa Changchien - Fugitive Team Director Nguyen (ep380)
- Louis Perez - 911 Caller (ep32)
- Louis Vanaria - Anthony Matteo (ep298)
- Louisa Holaday - Kara Vadnay (ep177)
- Louisa Krause - Brenda Tannerman (ep406)
- Lucas Caleb Rooney - Dr. Winters (ep392)
- Lucas Near-Verbrugghe - Colin Tilbrook (ep431)
- Lucas Papaelias - Art Bilson (ep250)
- Lucas Van Engen - Brendan (ep403)
- Luce Ennis - Mrs. Fuller (ep161)
- Lucia Brawley - Estrada (ep320)
- Lucille Rivin - Myra Fischer (ep55), Passport Worker (ep234)
- Lucinda Faraldo - Linda Goodwell (ep188)
- Lucy Avery Brooke - Sally Radulovic (ep222)
- Lucy Martin - Judge Taryn Brent (ep130), Mrs. Pelham (ep198), Megan Alston (ep287), Vera Winslow (ep314)
- Lucy McMichael - Jury Foreperson (ep367)
- Luiggi Debiasse - Larry (ep453)
- Luis A. Laporte, Jr. - Patron (ep262)
- Luis Caballero - Bodega Owner (ep112)
- Luis Gonell - Edgardo (ep357), Demonstrator (ep401)
- Luis Lantigua - Alex (ep81)
- Luis Ramos - Valdez (ep15)
- Luke Robertson - Ernie Hencken (ep371)
- Luke Rosen - Uni (ep422)
- LuLu Roche - Brierly (ep318)
- Lydia Bruce - Judge Martha Kershan (ep114)
- Lydia Radziul - Zara (ep200)
- Lyn Greene - Meg Hennessy (ep15)
- Lynda Ashe - Laura Lippman (ep237)
- Lynda Gravatt - Antoinette (ep77)
- Lyndsey Watkins - Linda Johnson (ep251)
- Lynette DuPre - Arraignment Judge Joyce Randall
- Lynn Anderson - Woman #1 (ep12)
- Lynn Chase - Jury Forewoman (ep68)
- Lynn Chen - Jenny Wu (ep241)
- Lynn Hawley - Sandy (ep109), Sally Norr (ep432)
- Lynn Niederman Silver - Mrs. Fenwick (ep37), Nancy Miller (ep248)
- Lynn Sellers - Beth Miller (ep225)
- Lynnda Ferguson - Mrs. Edwards (ep267)
- Lynne Charnay - Rose Caplan (ep234)
- Lynne Faljian Taylor - Sandra Wallace (ep376)
- Lynne Lipton - Mrs. Dubow (ep249)
- Lynne Marta - Debra Hill (ep63)
- M'el Dowd - Clara Halduk (ep342)
- M. Douglas Silverstein - Court Clerk (ep277)
- M. Lynda Robinson - Reporter (ep39)
- M.D. Walton - Jimmy Dell (ep377)
- MacIntyre Dixon - Merrill (ep37), Paul White (ep110), Prof. Peter Hilligan (ep155), Judge Vincent Miceli (ep222)
- Maddie Corman - Andee Mae Haley (ep307)
- Madeleine Martin - Annie (ep310)
- Madeline Lee - Trial Judge Alice Conners (ep86, 113), Judge Susan Amberger (ep141)
- Madeline Zima - Samantha Silver (ep55)
- Madison Arnold - Bridges (ep13), Leonard Jensen (ep134), Mr. Pelham (ep198), Patrick Clarke (ep216), Reimer (ep339), Saul Lasky (ep421)
- Maduka Steady - Evans (ep239), Clerk (ep269)
- Maeve McGuire - Dr. Walters (ep1), Celeste Foxx (ep45), Betty Sanger (ep180)
- Magaly Colimon - Dr. Arlene Brooks (ep198), Lisa Schneider (ep271)
- Maggie Maes - Nancy Packard (ep192), Jury Foreperson #1 (ep325)
- Maggie Moore - Angela McDowell (ep256)
- Major Dodge - Sergeant Skarp (ep433), Sergeant (ep445)
- Mal Z. Lawrence - Sam (ep134)
- Mala Danziger - Mrs. Carey (ep123)
- Malachi Weir - Payden, Gordon Terrell (ep403), MRI Technician (ep456)
- Malachy Cleary - Sanders (ep82), Detective Spivak (ep181), Franks (ep246), Skinner (ep301), Edward Butler (ep420), Sergeant Gutfeld (ep456)
- Malcolm Barrett - Julian Zalak (ep242), Harry Johnson (ep281)
- Malcolm Foster Smith - Man #2 (ep248)
- Malcolm J. Goodwin - Lamont Tyler (ep304)
- Mando Alvarado - Customer #1 (ep347), Michael Calderon (ep399)
- Manon Halliburton - Animal Control Supervisor (ep254), Female Reporter (ep352)
- Manuel Antonio Estrella - Ruben Morales (ep139)
- Manuel E. Santiago - Tejada (ep49)
- Manuel Terron - Jorge Garcia (ep240)
- Mara Hobel - Ellen (ep47)
- Mara Holguin - Alicia Bennett (ep175)
- Marc Bryman - Scott Wheeler (ep167)
- Marc Coppola - Zanetti (ep92), Court Officer (ep160)
- Marc Damon Johnson - INS Agent Jarrett (ep204), Bank Manager (ep277), Mark Lanier (ep315), Sergeant Kupchack (ep434)
- Marc Forget - Maitre D' (ep367)
- Marc Plastrik - Investigator (ep10), Jury Foreman (ep33), Court Clerk (ep81), Uniform Policeman (ep99)
- Marc Romeo - Kenney (ep76)
- Marc Wolf - Frank (ep113)
- Marcel Simoneau - Shane (ep280)
- Marceline Hugot - Dr. Sandi Ruskin (ep171)
- Marcell Rosenblatt - Louise (ep4), Mrs. Mello (ep125), Court Reporter (ep154), Jury Foreman (ep196), Foreperson (ep275), Natalie Donner (ep334)
- Marchand Odette - Kelani Amoda (ep54), Maid #2 (ep159)
- Marcia DeBonis - Jessica (ep88)
- Marcia Jean Kurtz - Alice Halsey (ep6)
- Marcia Haufrecht - Linda Coffey (ep183), Brenda Jenks (ep236), Eileen (ep441)
- Marco Greco - Skeeze (ep130), Jackson (ep153)
- Marco Verna - Vince Riley (ep328)
- Marcos Muniz - Jury Foreperson #2 (ep325)
- Marcos Palma - Beto (ep354)
- Marcus Carl Franklin - Tate (ep317)
- Marcus Dean Fuller - Bruce Zimmerman (ep330)
- Marcus Ho - Chris (ep229)
- Marcus Lorenzo - Wetzel (ep444)
- Marcus Mitchell - Officer Weeks (ep370)
- Marcus Naylor - Henry (ep124), Eric Lee (ep213)
- Marcus Olson - Lab Technician Ryan (ep89)
- Margaret Anne Florence - Amber (ep411)
- Margaret Baisch - Gretchen Hall (ep240)
- Margaret Daly - Judge Julia Grayson (ep361)
- Margaret Devine - Sales Clerk (ep159)
- Margaret Hilton - Mrs. Whitaker (ep74)
- Margaret Reed - Fran (ep291), Allison Hurley (ep377)
- Margarita Espinosa - Carmela Hernandez (ep203)
- Margarita Malayeva - Nadia Brezin (ep390)
- Marge Redmond - Judge Laura Tisdale (ep160)
- Margo Martindale - Ms. Best (ep129)
- Margo Skinner - Eleanor Jeffries (ep107)
- Margot Ebling - Elizabeth Torelli (ep187)
- Margot Steinberg - Deborah Knapp (ep270), Radha Graves (ep351)
- Margot White - Claudia Hodges (ep412)
- Mari-Esther Magaloni - Reporter #1 (ep199)
- Maria Bellantoni - Carmela Rago (ep149), Claire (ep219)
- María Cellario - Connie Masucci (ep16), Elaine Cerreta (ep53), Mrs. Wesserl (ep133)
- Maria Elena Ramirez - Gilda Cera (ep406)
- Maria Pitillo - Angel Greer (ep25)
- Marian Quinn - Mrs. Harrigan (ep104)
- Marianne Hagan - Marcie Donner (ep114), Jane Levin (ep164)
- Marianne Hettinger - Victim in Elevator (ep136)
- Marianne Tatum - Marianna Vance (ep209)
- Maribel González - Lucia Cottone (ep163)
- Marie Barrientos - Mimi Varella (ep14), Irma Rodriguez (ep232), Rosadel (ep274), Franchesca Torres (ep419)
- Marie Lillo - Ellen Lasasso (ep223)
- Marilyn Caskey - Mrs. Cade (ep270)
- Marilyn Dobrin - Maria DiTirro (ep193)
- Marilyn Pasekoff - Dr. Glenda Allen (ep159), Judge Joan Kirchevall (ep209)
- Marilyn Sokol - Marilee Katz (ep33), Mrs. Levine (ep126)
- Marilyn Torres - Sonya Colon (eps311, 443)
- Marina Durell - Mrs. Ruiz (ep40), Olivia Valerio (ep121), Soledad Estrada (ep236)
- Mario Arrambide - Mr. Lewis (ep36)
- Mario D'Elia - Pete Suppa (ep202)
- Mario Eusebio - Uniforrm Delgado (ep357)
- Mario Mendoza - Julio (ep97), Super (ep126), Man at Phone Booth (ep165), Jose (ep246)
- Marion McCorry - Sheila (ep231)
- Marisa Echeverria - Andrea Garcia (ep377)
- Marisa Redanty - Cheryl Diggs (ep117), Shirley Paxton (ep196), Emily Marino (ep326)
- Marisa Valente - Mandy (ep255)
- Marisa Vural - Witness #1 (ep299), Helen (ep420)
- Marisa Zalabak - Linda Hernandez (ep197)
- Marissa Chibas - Maggie Randa (ep118)
- Marissa Matrone - Sandra Felton (ep198), Lott (ep456)
- Marjorie Johnson - Jury Forewoman (ep101), First Female Juror (ep159)
- Marjorie Lovett - Dr. Gray (ep10)
- Mark Alan Gordon - John Weyer (ep205), Dr. David Trask (ep287)
- Mark Aldrich - CSU Computer Tech Nielson (ep375), CSU Tech (ep416)
- Mark Alhadeff - Guy (ep248), Dax Salenger (ep376)
- Mark Axelowitz - Foreperson (ep336)
- Mark Bailey - Joey (ep67)
- Mark Boone Junior - Garage Manager (ep6)
- Mark Cassella - Pelletier (ep33), Co-Worker (ep112), Det. Doyle (ep141), Jack Harris (ep167), Sergeant (ep194), Uniform Policeman (ep216), Clerk (ep233), Jury Foreperson (ep312), Lt. Hardie (ep348)
- Mark Doherty - Captain Jarrell (ep441)
- Mark Elliot Wilson - Frank Wexman (ep190), FBI Agent (ep277)
- Mark Enis - Process Server (ep137)
- Mark Fish - Andrew Dresner (ep226)
- Mark Gerrard - Court Clerk (ep409), Brad Lovell (ep437)
- Mark Giordano - Galloway (ep139), Sal Arlington (ep226), Ron Angelone (ep392)
- Mark H. Dold - Lionel (ep172), Fred (ep301), Ted Wilson (ep449)
- Mark Hammer - Arraignment Judge Randall Welch
- Mark Jupiter - Mr. Barnes (ep116)
- Mark Kachersky - Shuster (ep135), Kevin Fitzpatrick (ep240), Ostertag (ep273), Garage Owner (ep328)
- Mark Kiely - Ted Campion (ep30)
- Mark L. Montgomery - Jonathan Levin (ep341), Frank Villa (ep381)
- Mark La Mura - Wesley Schultz (ep303)
- Mark Lotito - Bailey (ep64), Policeman #1 (ep70), Paramedic (ep89), Nance (ep129), Detective Mallory, Bartender (ep284)
- Mark Lynch - Rob (ep341)
- Mark McDonough - Casey (ep105)
- Mark Morettini - Jerry (ep434)
- Mark Parra - Detective (ep456)
- Mark Price - DJ Freaky (ep178)
- Mark Rosenthal - Kent (ep113), M.E. Charters (ep182)
- Mark Sarro - Officer John Cooper (ep65)
- Mark Saturno - Ryan Appel (ep296)
- Mark Schulte - Corrections Officer (ep256), Grady (ep336), Male Juror (ep406)
- Mark Setlock - Bill Collins (ep393)
- Mark Shannon - Dr. Lewis (ep50)
- Mark Stein - Jury Foreman (ep86)
- Mark Stephen Pannes - Jury Foreman (ep130)
- Mark Vincent Barlow - Paralegal (ep342)
- Mark Werheim - Stevenson (ep2), Fireman (ep32)
- Mark Woodcock - Lucas (ep52)
- Mark Zimmerman - Polygraph Tester (ep39), Mooren (ep61), Frederick Scannel (ep129), Judge Nathan Murray (ep159), Lawyer for Gavin (ep244), Trial Judge Nathan Murphy
- Marko Maglich - CSU Technician (ep44)
- Marla Rubinoff - Shane Perry (ep149)
- Marla Sucharetza - Sally Champlin (ep138)
- Marlene Forté - Sandra Pena (ep153), Alicia Bowers (ep198)
- Marlene Lawston - Julie Grant (ep367)
- Marlon Morrison - Det. Danny Koniak (ep353), Officer Garbus (ep408)
- Marni Lustig - Danielle West (ep219), Colleen Baylor (ep286)
- Marsha Dietlein - Dr. Amy Ahlers (ep404)
- Marsha Stephanie Blake - Clinic Doctor (ep349)
- Marta Kober - Chi Chi (ep118)
- Marta Vidal - Annalisa Barragan (ep32), Operator (ep155), Carmen Cabrera (ep264)
- Martha Greenhouse - Linda Knapp (ep208)
- Martha Guilarte - Adela (ep8)
- Martha Millan - Colossa (ep292)
- Martin Ewens - Norman (ep453)
- Martin Kildare - Agent Garrett (ep73), Mark Kellner (ep261), Ronald Milius (ep287), John Snell (ep337), Pat Loftus (ep361)
- Martin LaPlatney - Neal Chadwick (ep98)
- Martin Moran - Robert Gibney (ep223)
- Martin Priest - Jacob Brinkman (ep66)
- Martin Shakar - Doctor (ep7), Stephan Elstead (ep140), Nick Costas Sr. (ep395)
- Martina Deignan - Sonja Hughes (ep62)
- Matt Landers - Judge Mark Lee (ep455)
- Matthew Boston - Dr. Walter Benning (ep438)
- Matthew Saldivar - Gavin (ep244)
- Martino Caputo - Wiseguy #1 (ep400)
- Marty Grabstein - Ackerman (ep154), Bob (ep216), Shlomo Fineberg (ep307)
- Marty Pistone - Francesco (ep79)
- Marvin A. Chatinover - Housing Judge (ep16)
- Marvin Starkman - Rabbi (ep181)
- Mary Ann Hu - Fong (ep258)
- Mary Ashton - Eve (ep227)
- Mary B. McCann - Claudia Fadden (ep225)
- Mary B. Ward - Priscilla Blaine (ep25)
- Mary Bacon - Shelly Denton (ep353), Nola Good (ep397)
- Mary Barbara Alexander - Ruta (ep19)
- Mary Beth O'Connor - Megan Stone (ep216), Mimi Howard (ep377), Ann Carter (ep419)
- Mary Beth Peil - Dr. Emma Hiltz (ep92)
- Mary Carol Johnson - Jury Foreman (ep147)
- Mary Catherine - Susy (ep326)
- Mary Catherine Garrison - Claire Jarrell (ep245)
- Mary Catherine Nashlenas - Olivia Curtis (ep151)
- Mary Denson - Barbara Williams (ep199)
- Mary Diveny - Old Woman (ep170)
- Mary Doyle - Judge Dreiser (ep25)
- Mary Elaine Monti - Dorothy Luck (ep5), Jennifer Solvan (ep169), Darla Watley (ep250), Claudia Paswell (ep281)
- Mary Ellen Ashley - Jury Foreperson (ep242), Elaine (ep259)
- Mary Fogarty - Hilda Harp (ep153)
- Mary Hedahl - Pell (ep40)
- Mary Huner - Receptionist (ep89)
- Mary Jo Mecca - Pauline Morris (ep319)
- Mary Joy - Ms. Dobrinski (ep9), Linda Briskin (ep62)
- Mary Kate Law - Oslyn (ep108)
- Mary Kaye Swedish - Dr. Helena Forsythe (ep251)
- Mary Lim - Mrs. Kim (ep76)
- Mary McCormack - Rickie (ep87)
- Mary McIlvaine - Reporter Alex (ep326)
- Mary Moffett - Jury Foreperson (ep365)
- Mary O'Halloran - Delgado (ep250)
- Mary Pérez - Pamela Ortiz (ep70), Alicia Ortega (ep179)
- Mary Peterson - Linda Krinsky (ep146), Michelle (ep212)
- Mary Quincy Coleman - Joanne (ep116)
- Mary Randle - Gina Brook (ep197)
- Mary Shultz - Carrie Benson (ep229), Marla Denton (ep353)
- Mary Testa - Dilbeck (ep26)
- Marya Grandy - Judge Brenda Scalisi (ep387)
- Marya Kazakova - Eva Berman (ep76), Mrs. Sofia Dementev (ep204)
- Maryam Myika Day - Realtor (ep426)
- Marylou Mellace - Judge Anthonia Mellon
- Marylouise Burke - Estelle (ep29), Mrs. Collins (ep144)
- Mason Pettit - Con Ed Guy (ep342)
- Mateo Gómez - Esperanza (ep32), Jose Montero (ep93), Mr. Garcia (ep130), Randy Miller (ep219), Johnny Estrada (ep236), Hector Vasquez (ep370)
- Matt Ames - Rumer (ep214)
- Matt Bogart - Detective Wilson (ep358)
- Matt Conley - Jury Foreman (ep85)
- Matt D'Amico - Carl Vorgitch (ep380)
- Matt Eyde - Mike Anderson (ep248)
- Matt Fischel - Department Staffer (ep277), Judge Paul Fillmore (ep342)
- Matt Higgins - Surveillance Techie (ep128)
- Matt Landers - Lieutenant Snyder (ep328)
- Matt Loney - Larry Newman (ep169)
- Matt Myers - Detective John Rainer (ep98), First Detective (ep115), Squadroom Policeman (ep125)
- Matt Pepper - Agent Mark Wilson (ep390)
- Matt Tomasino - Policeman #2 (ep4)
- Matt Unger - Tim Boswell (ep264)
- Matt Walton - Trooper Thomas Volchek (ep416)
- Matte Osian - Raymond Stoller (ep191)
- Matthew Allgood - Tariq (ep211)
- Matthew Ballinger - Theatre Student #2 (Kent; ep431)
- Matthew Conlon - CSU Begley (ep81), Under Secretary of Staff Charles Sheehan (ep390)
- Matthew DeCapua - Uniform (ep378)
- Matthew Dellapina - Cameraman (ep379)
- Matthew Detmer - Warren Griswold (ep424)
- Matthew Dixon - Michael Mirvis (ep116), Eddie Novello (ep234), Dale (ep420)
- Matthew Faber - Scott Wilder (ep117)
- Matthew Floyd Miller - Karl (ep431)
- Matthew G. Rashid - Store Clerk (ep305)
- Matthew J. Cyrus - Calvin (ep355)
- Matthew J. McMurray - Calvin Moses (ep341)
- Matthew J. Walters - Eric Beardsley (ep427)
- Matthew Lawler - Gerry (ep195), Rudy (ep286), Roger Brown (ep396)
- Matthew Lewis - Judge Eli Link (eps31, 79), Judge Dennis Murphy (ep168)
- Matthew Locricchio - Court Officer (ep3), Airport Manager (ep150)
- Matthew Maher - Antonio (ep403)
- Matthew Murumba - Drummer (ep419)
- Matthew P. McCarthy - Court Clerk (ep48)
- Matthew Penn - Alex Brody (ep4)
- Matthew Rauch - Darren Tarlow (ep291)
- Matthew Scanlon - Dan Pressman (ep399)
- Matthew Schechter - Thomas (ep373)
- Matthew Stocke - Court Clerk (ep291), Officer Jude Rhodes (ep342)
- Matthew Thomas Carey - Stewart Barclay (ep104)
- Maura M. Knowles - Perrisue Maxwell (ep292)
- Maureen Flynn - Jury Foreperson (ep319)
- Maureen Megibow - Grace Feneman (ep224)
- Maureen Mueller - Sally Corman (ep443)
- Maureen Silliman - Ellen Sands (ep368), Lizzy Bellamy (ep419)
- Maurice C. Lauchner - Robert (ep262)
- Maurice Carlton - Jones (ep110), Francois (ep240), Super (ep365)
- Maurice Shrog - Al Hardy (ep66), Building Super (ep111)
- Maurizio Benazzo - Gianni Agnelli (ep138)
- Maury Ginsberg - Ari Posner (ep354)
- Max Antisell - Nicky (ep441)
- Max Chalawsky - Maitre'D (ep172), Lance Vernon (ep226)
- Max Raven - Patron (ep145)
- Max Vogler - Clark Slater (ep257), Dr. Neil Carson (ep279), Howard Kondore (ep353)
- Maximiliano Hernández - Leo Ramos (ep161), Victor Sabo (ep211), Teofllo (ep347)
- Maximillian Sherer - Little Boy (ep356)
- Maya Days - SMURF Officer Soto (ep391)
- Maya Israel - Karyn Pembler (ep226)
- Maya McLaughlin - Cassie Jordan (ep147)
- Maya Serhan - Salesgirl (ep381)
- Meeghan Holaway - Joyce McGinty (ep300)
- Meg Anderson - Reporter #2 (ep26)
- Megan Byrne - Myra Camp
- Megan Folsom - Shawna Gates (ep145)
- Megan Papier - Carla (ep303)
- Meghan Andrews - Brandson Daughter (ep122)
- Meighan Dobson - Marti Daniels (ep69)
- Mel Gorham - Woman #1 (ep32)
- Mel Shrawder - Edwin Blitzer (ep335)
- Melanee Murray - Janet (ep85)
- Melanie Bean - Foreperson (ep351)
- Melanie Minichino - Sara (ep399)
- Melanie Nicholls-King - Trina Felton (ep270)
- Melanie Vaughan - Professor (ep159)
- Melanie Vesey - Michelle (ep163)
- Melinda Page Hamilton - Jane Spoonser (ep159)
- Melinda Peinado - Eunice (ep362), Gilda Rodriguez (ep392)
- Melinda Wade - Yuppie Woman (ep4), Leslie Silver (ep55), Glynnis Ward (ep197), Dr. Arlene Doland (ep421)
- Melisa Didio - Aricella Santos (ep205)
- Melissa Fraser Brown - Miss Murdoch (ep26), Tracy Pollit (ep75)
- Melissa Gallagher - Woman (ep302)
- Melissa Hurst - Juror #13 (ep77)
- Melissa Justin - Diane Elcott (ep91)
- Melissa Marsala - Marlene (ep158), Emily Bailey (ep179)
- Melissa Maxwell - Dr. Binder (ep309), Arraignment Judge (ep372), Judge Arlene Jones (eps386, 434)
- Melissa Ramone - Jennifer Powers (ep64)
- Melody Cooper - Forewoman (ep265), Court Reporter (ep337)
- Melonie Diaz - Bettina (ep311)
- Melvin Mogoli - Abel Dolan (ep447)
- Mercedes Herrero - Uniform Policeman Jones (ep144), Jessica Myers (ep313), Judge Martha Sirkin (ep375)
- Meredith Anne Bull - Tara Zegler (ep363)
- Meredith Deane - Ashlee (ep377)
- Meredith Inglesby - Cindy Bonano (ep415)
- Meredith Zinner - Rochelle (ep410)
- Merle Louise - Amanda Bobbie (ep189)
- Merlin Santana - Roneld Griggs (ep17)
- Merri Ann Milwe - Court Clerk, Reporter #2 (ep134), Clerk (ep255)
- Merrill Holtzman - Hurley (ep3), Court Clerk (ep86), Milton Corboy (ep139)
- Merritt Wever - Myra (ep152)
- Merwin Goldsmith - Trial Judge Stanley Gollub (ep17), Arraignment Judge Ian Feist
- Messeret Stroman - Widow (ep330)
- Messiah Rhodes - Brent Darren (ep450)
- Mia Dillon - Doctor Bergman (ep44), Rowena Whitley (ep433)
- Michael A. Costanza - Man in Line (ep79)
- Michael Alexander Jackson - Felix (ep123), Randy Johnson (ep170)
- Michael Anderson - Clerk (ep221)
- Michael Arkin - Harper (ep34)
- Michael Aronov - Andre Korsakoff (ep232)
- Michael Arthur - ESU Policeman #1 (ep257)
- Michael Bakkensen - Paul (ep309), Jason Rundberg (ep373)
- Michael Balin - Foreman (ep264)
- Michael Barra - Store Clerk (ep432)
- Michael Barry Greer - Alan Geffin (ep299)
- Michael Basile - Sgt. Jeremiah Lennox (eps381, 400), TARU Officer (ep450)
- Michael Benjamin Washington - George Lafferty (ep426)
- Michael Bias - Gillespie (ep95)
- Michael Bolus - Garage Attendant (ep38), CSU Technician Jones (ep196)
- Michael Boyle - Policeman #2 (ep88), Grimley (ep144)
- Michael Braun - Les Gomez (ep442)
- Michael Broughton - Andrew Parent (ep162)
- Michael C. Mahon - Policeman #1 (ep22), Will Carter (ep90)
- Michael Cannis - Reporter #1 (ep26), ESU Captain (ep266)
- Michael Carlsen - Officer Bembry (ep410)
- Michael Ciminera - Uni (ep340)
- Michael Ciulla - Storage Attendant (ep38), Bob (ep194), Frick (ep215)
- Michael Corman - Jury Foreperson (ep178)
- Michael Creo - Dave Davis (ep245), Sal Jr. (ep272)
- Michael Crider - George Lutz (ep53), Dr. Alfredo Salinas (ep89)
- Michael Cullen - Roberts (ep20), Father Malone (ep75), First Uniformed Policeman (ep108), Dietz (ep181), Borough Chief Commander Dietz (ep183), James Dietz (ep211), Chief of Detectives Dan Giletti (ep321), Judge Connor Yorith (ep455)
- Michael Dahlen - Young Attendant (ep135)
- Michael Dalby - Foreman #2 (ep37), Foreman (ep159)
- Michael De Nola - Kreshnik Pernaska (ep369)
- Michael Deeg - Jay Sitrick (ep372)
- Michael Dempsey - Rob Walsh (ep415)
- Michael Devine - Uni #3 (ep352), Officer Saunders (ep407), Sergeant Adams (eps432, 447)
- Michael DeVries - Arson Detective Krane (ep124), William Varden (ep146), Darren Phillips (ep169), Dr. Paul Bellamy (ep396)
- Michael Dowling - Baliff (ep141)
- Michael Drayer - Kyle Chase (ep429)
- Michael Duran - Kevin Hodges (ep218)
- Michael E. Lopez - Max Roberts (ep251)
- Michael Ealy - Private Nelson (ep229)
- Michael Earle - Detective Flynn (ep370)
- Michael Early - James Arkadie (ep195), Norman Carlson (ep294), Judge Smales (ep372)
- Michael Egan - Judge Leonard Fein (ep65)
- Michael F. Boyle - Port Authority Policeman (ep125)
- Michael Fella - McDonald (ep47)
- Michael G. Chin - Park Ho Lee (ep215)
- Michael Galante - Officer Herbert (ep424)
- Michael Garfield - DeForrest (ep105), Tom Odlum (ep204), Garvin (eps288, 326)
- Michael Garin - CSU Technician (ep100)
- Michael Gibson - Court Officer (ep434)
- Michael Goodwin - John Karlin (ep252)
- Michael Guess - Wesley (ep59)
- Michael Hammond - Scott Newman (ep52), Dietrich (ep68)
- Michael Hayward-Jones - Felix (ep71)
- Michael Heintzman - Lonner (ep16), Naves (ep120), Jack O'Keefe (ep220)
- Michael Herwitz - Grandson (ep343)
- Michael Hirsch - Donnelly (ep22), Dr. Ross (ep65), Lyndon Whitney (ep114), Paul Thigpen (ep248), David Harrison (ep331)
- Michael Hollick - Nick Carvahal (ep372), Minister (ep438)
- Michael Hunold - CSU Technician #2 (ep64), Policeman #1 (ep78), Mallory (ep118)
- Michael Ingram - Alan De Simio (ep125), Dr. Russell (ep248)
- Michael Irby - Boca (ep148), Diego Garza (ep211), John Acosta (ep233)
- Michael J. Lombardi - Police Officer Nelson (ep300), Uniform Cop (ep304), Uniform Gop #1 (ep327), Uniform (ep341)
- Michael J. Reilly - Jury Foreperson (ep393)
- Michael Jannetta - Dave Matis (ep194), Nate Richards (ep246), Natowzki (ep302), Nick Biaggio (ep420)
- Michael John McGann - Father Reynolds (ep89)
- Michael K. Weiss - Defense Attorney Malcolm Sweetzer (eps292, 321)
- Michael Kaplan - Peter Rostov (ep390)
- Michael Khmurov - Alex Walinsky (ep79)
- Michael LaPorte - Kenny (ep102)
- Michael Levin - Dr. Reitman (ep50), Dr. Ira Chaikin (ep107)
- Michael Lewis - Forensics Tech Michels (ep287)
- Michael LiDondici - FBI Technician (ep261), Steiner (ep281)
- Michael Lowry - Price (ep453)
- Michael Luggio - Manager (ep275)
- Michael MacCauley - Detective Timmy Quinn (ep233)
- Michael Mantell - Ray Garth (ep226)
- Michael Marcus - Judge Jefferson Russo (ep143), Male Justice (ep229)
- Michael Margotta - Mitchell (ep113)
- Michael Markham - Clerk (eps399, 408), Court Clerk (ep423)
- Michael Mazzeo - Court Clerk, Clerk (ep316)
- Michael McCartney - Uniform Officer Russell (ep313), Uniform Cop (ep368)
- Michael McKenzie - Thomas Ervin (ep225), Justin Brenner (ep271)
- Michael Milligan - Michael Gendel (ep434)
- Michael Mislove - Peter Fischel (ep48), Dr. Gluck (ep133), James Lyman (ep145), Marvin Gelson (ep245)
- Michael Nathanson - Detective Leonard (ep424)
- Michael Noth - Court Clerk
- Michael O'Leary - Eric Hagen (ep210)
- Michael Oberholtzer - Justin Sachs (ep446)
- Michael Oberlander - David Bronstein (ep204), Carter Quinn (ep283)
- Michael P. Moran - Limo Driver (ep16), Liotta (ep104), Judge Horace Barclay (ep157), Probation Officer (ep260), Shannon Forsythe (ep283)
- Michael Patterson - Peter Coyle (ep35), Simmonds (ep125), Lt. Michael Stallworth (ep219), Harry Frost (ep261)
- Michael Pemberton - FBI Agent Drew Hardin (ep195)
- Michael Pitt - Andy (ep174)
- Michael Port - Kyle Ricks (ep223)
- Michael Preston - Jury Foreman (ep188)
- Michael Quinlan - Prosky (ep126), Jerry Pilson (ep265), William Sanders (ep299), Davis Erlanger (ep368)
- Michael Ray Escamilla - Tomas (ep429)
- Michael Raynor - Acuff (ep42)
- Michael Ricciardone - Joey (ep321)
- Michael Rivera - Terry Sanchez (ep215), Benicio (ep335), Angel Colon (ep443)
- Michael Rogers - Assistant Counsul (ep257)
- Michael Rupert - Darryl Prior (ep308)
- Michael Rush - Choreographer (ep33)
- Michael Ryan - Charlie Meadow (ep77)
- Michael Ryan Segal - Roger Meeks (ep211), Kurt Lemond (ep302)
- Michael S. Chernuchin - Golfer at driving range (ep150)
- Michael Sackler-Berner - Marcus (ep414)
- Michael Salconi - Ritter (ep254)
- Michael Saposnick - Bailiff #1 (ep17)
- Michael Schiffman - Keith Fisher (ep269)
- Michael Sean McGuiness - Glenn Hartley (ep143)
- Michael Shawn Lucas - Elliot Krasner (ep253), Tim (ep326)
- Michael Shelle - Dr. Roy Hermann (ep236)
- Michael Shen - Court Officer (ep327), Clerk (eps348, 365)
- Michael St. Gerard - Kent Halliwell (ep77)
- Michael Thomas Holmes - Jay Landsberg (ep389)
- Michael Tisdale - Michael Kaplan (ep374)
- Michael W. Howell - Charles Abernathy (ep315)
- Michael Wadler - Harmon (ep30)
- Michael Warner - Justice #2 (ep380), Nowitzki (ep451)
- Michael Warren Powell - Leonard Gardner (ep173), Ben Kramer (ep238)
- Michael Wikes - Lasco (ep6)
- Michael Winther - Reporter (ep251), Dr. Lombardo (ep336)
- Michael X. Martin - Kendall (ep113), Justice #1 (ep380)
- Michaela Conlin - Rocky (ep244)
- Michaline Babich - Joan (ep129)
- Michele Harris - Linda Reisig (ep222)
- Michele Santopietro - Officer Karen Rachman (ep222), Lisa Turro (ep327)
- Michele Wagner - Laurie (ep8), Ballistics Technician (ep17)
- Michelle DeMicco - Anna Fine (ep127)
- Michelle Kittrell - Janey Orloff (ep351)
- Michelle Powers - Charlene Bettis (ep243)
- Michelle Rios - Woman (ep342)
- Michelle Robinson - Hope (ep126)
- Michelle Stern - Lawyer #2 (ep241)
- Michi Barall - Akiko Shindo (ep238)
- Michi Kobi - Mrs. Ito (ep323)
- Mick O'Rourke - Matt Donegan (ep51), Cabbie (ep101), Gaffers (ep129), Cameraman (ep163)
- Mick Weber - Hotel Barman (ep61), Detective Larry Price (ep191)
- Mickey Solis - Uniform (ep391)
- Miguel Govea - Foreperson (ep426)
- Miguel Sierra - Guillermo Ruiz (ep32), Felix Ortega (ep77), Joe (ep165), Landers (ep202), Miguel (ep268)
- Mike Alpert - Driver (ep20), Frank Albers (ep64), Gus Iacone (ep219)
- Mike Aparo - Uniform Policeman (ep220)
- Mike Benitez - Clerk (ep277), Dale Berck (ep298)
- Mike Burstyn - Kevin Yates (ep182)
- Mike Cicchetti - Henry Willard (ep36), John Blanchard (ep80), Morris (ep105), Woolly Pierce (ep188)
- Mike Dooly - Charlie Nash (ep198), Stoneman (ep377)
- Mike Farley - Estes (ep83)
- Mike Figueroa - Andre Suarez (ep268)
- Mike Finesilver - Eugene Syles (ep343)
- Mike Hartman - Henry Jefferson (ep411)
- Mike Hodge - Leonard Hillman (ep164), Jeff Young (ep192), Trial Judge Delano Burns
- Mike Houston - Officer Fred Colson (ep450)
- Mike Jefferson - Henry (ep107), CSU Tech Ballard (ep137), Gilbert N'Goueba (ep206)
- Mike Lisenco - Krutsky (ep183), Lab Technician #1 (ep232), Foreman (ep271)
- Mike Masters - Asst. M.E. Ackerman (ep368)
- Mike Mearian - Judge Horace Busey (ep120), Bud Walden (ep343)
- Mike Nelson - CSU Technician (ep305), ESU Cop #1 (ep320), Uniform Cop Ethan Chang (ep362)
- Mike O'Malley - New York Policeman #1 (ep16)
- Mike Rock - Captain Davis (ep255)
- Mike Santana - Tito (ep247), Paz (ep355)
- Mike Sheehan - Burton (ep27), Gilbert (ep48), Detective Dennis Murray (ep91)
- Miki Yamashita - Akiko Shindo/Translator (ep323)
- Milena Govich - Geneva (ep351)
- Miles Chandler - Josh Steel (ep398)
- Miles Kath - Kevin Fogarty (ep391)
- Miles Marek - Roger Aimsley (ep192)
- Millie Tirelli - Louis Rivera (ep3), Rosie Cervantes (ep86), Aunt (ep248), Jill Kogen (ep318)
- Milton González - Ramon (ep426)
- Mimi Bensinger - Beatrice Dichter (ep119), Mrs. Chazin (ep217)
- Mimi Michaels - Vanessa Carey (ep123), Heather Denslow (ep256)
- Mimi Randolph - Carlotta (ep83)
- Mimi Turque - Do-Gooder (ep231)
- Mimi Weddell - Baglady (ep2), Mrs. Sandinsky (ep156)
- Minerva Scelza - Rosa (ep18)
- Minnie Gentry - Bernice (ep8)
- Miriam A. Hyman - Savannah Watson (ep355)
- Misha Kuznetsov - Sergei Parkova (ep298), Andropov (ep334)
- Mitch Kolpan - Uniformed Policeman (ep97)
- Mitch Longley - Singh (ep454)
- Mitchell Greenberg - Dr. Alan Friedlan (ep89), Dr. Barry Samuels (ep216), INS Inspector Davis (ep274), Dr. Lerner (ep339)
- Mitchell McGuire - Carl Lawler (ep29), Detective Mackay (ep197)
- Mitchell Riggs - Police Officer (ep172)
- Moira Driscoll - Assistant M.E. Judy Summers (ep183)
- Molly Ephraim - Anne-Marie Liscomb (ep403)
- Molly Helfet - Woman (ep315)
- Molly Russell - Heather Harrison (ep331)
- Molly Wright Stuart - Polly Griswold (ep424)
- Monica Bell - Hospital Reporter #2 (ep87)
- Monica Trombetta - Patti (ep117)
- Monica West - Tracy Meegan (A.K.A. Tracy Garvik; ep427)
- Monique Cintron - Aloma (ep60), Young Mother (ep152)
- Monique Lea-Gall - Hot Dancer (ep334)
- Montego Glover - Sharon (ep411)
- Mordecai Lawner - Leon Match (ep13)
- Mordecai Santiago - Sammy Molina (ep440)
- Morgan Lynch - Annie Douglas (ep453)
- Morgin Felicia - Sarah (ep436)
- Munson Hicks - Harkness (ep147)
- Murray Rubinstein - Resident (ep11)
- Musashi Alexander - Ricky Luna (ep324)
- Mustafa Shakir - Mike (ep262)
- Myk Watford - Detective Hannigan (ep380)
- Mylinda Hull - Mother Jess (ep438)
- Myra Lucretia Taylor - Jocelyn Weston (ep84), Jane Monroe (ep137), Donna (ep216)
- Nadia Alexander - Morgan (ep456)
- Nadia Bowers - Diane (ep418)
- Nadine Mozon - Assistant M.E. Janet Glynn (ep186), Melba (ep303)
- Naeem Uzimann - Food Vendor (ep406), Hallal Food Vendor (ep421)
- Nahanni Johnstone - Helen Katisch (ep219)
- Nance Robbins - Emily Chandler (ep66)
- Nance Williamson - Judge Louise Lessing (ep111), Assistant M.E. Jansen (ep254), Assistant ME Erika Malchiodi (ep312), Paulette Kastner (ep453)
- Nancy Addison - Reporter #1 (ep15), Edith Nash (ep96), Judge Selma Davis (ep153)
- Nancy Bell - Phyllis Schur (ep82)
- Nancy Cashman - Reporter Katherine (ep326)
- Nancy Duerr - Mimsy (ep201)
- Nancy Fichman - Magnani (ep5)
- Nancy Franklin - Brooklyn Trial Judge Walton (ep60), Female Justice (ep229), Regine (ep292)
- Nancy Giles - Claudia Gaines (ep332)
- Nancy Hess - Stephanie Floyd (ep220), Dr. Lydia Stronach (ep404)
- Nancy Johnston - Georgina (ep188)
- Nancy Lemenanger - Dr. Nicole Peller (ep415)
- Nancy McDoniel - Sheila Gordon (ep127), Diane Teague (ep316)
- Nancy Meyer - Veronica Dumet (ep199)
- Nancy Nichols - Reporter #2 (ep163)
- Nancy Nutter - Jury Forewoman (ep190), Foreperson (ep263)
- Nancy Snyder - Cece Vandeveer (ep292)
- Nancy Wu - M.E. Lynn Ming (ep384)
- Nandrea Lin-Courts - Elise Brody (ep4)
- Nat DeWolf - Video Tech #1 (ep371)
- Natacha Roi - Susan Kimball (ep238)
- Natalie Carter - Barbara (ep341)
- Natalie Gold - Alex (ep366)
- Natalie Picoe - Gayle Landis (ep169)
- Natalie Thomas - Jenna Smythe (ep449)
- Natalie Toro - Esther (ep77), Ana Martinez (ep371)
- Natascia Diaz - Assistant (ep274), Dr. Ramos (ep405), Cecilia Ramirez (ep447)
- Natasha Tabandera - Isobel Castella (ep401)
- Nate Teron - Dectective (ep438)
- Nathan Dean - Hugo (ep335)
- Nathan Purdee - Sergeant (ep418)
- Navida Stein - Jury Foreperson (ep315)
- Neal Benari - Mr. Gordon (ep3), Ed Bosco (ep79), David Colby (ep197)
- Neal Hemphill - Father #1 (ep251), Stu Bedecker (ep357)
- Neal Lerner - US Attorney Osborne (ep204), Dr. Riverton (ep282), Robert (ep405)
- Ned Luke - Ken Cosgrove (ep357)
- Ned Coulter - Manager (ep172), Dr. Tom Hyra (ep278), Dan Smiley (ep343)
- Ned Van Zandt - Paul Zinberg (ep226)
- Nedrah Banks - Mary Anderson (ep398)
- Neil Harris - Derelict #2 (ep184)
- Neil Pepe - Dr. Kanellos (ep54), Morrison (ep121), Jamie Brinker (ep130), Dr. Nelson (ep323)
- Neil Schwary - Court Clerk (ep368)
- Neil Shah - Eric Khalaby (ep375)
- Nelda Faye Schmidt - Jury Foreperson (ep323)
- Nell Balaban - Receptionist (ep180)
- Nelson Diaz - Jones (ep357)
- Nelson Landrieu - José Rivera (ep32), Deputy Consul Rojas (ep247), Jake Holcomb (ep271)
- Nelson Lee - Kenny Eng (ep255), Roy Leung (ep299)
- Nelson Peña - Reporter (ep411)
- Nesbitt Blaisdell - John Tierney (ep100)
- Nestor Carbonell - Stuart Carradine (ep30)
- Neva Small - Receptionist (ep118), Mrs. Stymons (ep191)
- Nicholas B. Daddazio - Court Clerk, Court Officer (ep47)
- Nicholas E. Calhoun - Gibbens (ep429)
- Nicholas Garr - Doyle (ep94)
- Nicholas Gould - Noah Levitan (ep93), Josh Felder (ep237)
- Nicholas J. Giangiulio - McCharen (ep42), Desantis (ep85), Ferelli (ep99), Mr. Morrell (ep150), Doorman (ep205), Judge Trevor Grady (ep272), Det. Jack Nance (ep364)
- Nicholas J. Sandow - Officer Nelson (ep36)
- Nicholas Levitin - Dr. Cohen (ep38), Dr. Gerard (ep107)
- Nicholas Sean Gomez - Jimmy Diaz (ep240)
- Nicholas Strouse - Stan (ep102)
- Nicholas Turturro - Poletti (ep36)
- Nicholas Webber - Sam Delroy (ep424)
- Nick Basta - James (ep316)
- Nick Bosco - Sgt. Xu Bing (ep392)
- Nick Corley - Florist (ep128)
- Nick Damici - Officer Dubuque (ep1), Phil Norris (ep407)
- Nick Dillenburg - ESU Cop (ep456)
- Nick Gregory - Thomas Duffy (ep285)
- Nick Hoge - William Avery (ep442)
- Nick Kaledin - Hospital Reporter #1 (ep87)
- Nick Muglia - Trevelyan (ep7), Schull (ep21)
- Nick Sullivan - Charlie (ep410)
- Nick Taylor - Foreperson #2 (ep318)
- Nick Wyman - Judge Gavin Mickerson (ep158), Dr. Adams (ep339)
- Nico Evers-Swindell - Eric (ep402)
- Nicola Barber - Janice Mazern (ep434)
- Nicole Alifante - Dr. Andrea Brill (ep396)
- Nicole Bradin - Nancy Hall (ep246)
- Nicole Callender - Marisol (ep342)
- Nicole Haywood - Court Reporter (ep309)
- Nicole Leach - Liana Rogers (ep132), Mari (ep247)
- Nicole Lowrance - Leah Hendricks (ep452)
- Nicole Orth-Pallavicini - Barbara Kiley (ep58), Jane Evans (ep308)
- Nicole Van Giesen - Mrs. Burns (ep401)
- Nicole Vicius - Andy's Girlfriend (ep174)
- Nicolette Hart - Tina Reese (ep333)
- Nicoye Banks - David (ep308), Officer Taylor (ep378)
- Nikki E. Walker - Mother (ep443)
- Nikolai Tsankov - David Dementev (ep204)
- Nina Hennessey - Rosalie Toscana (ep411)
- Nina Landey - Diane Carver (ep175)
- Nina Mann - Frances Sawyer (ep214)
- Ninon Rogers - Lucy (ep412)
- Noah Cornman - Jury Foreperson (ep225)
- Noah Weisberg - CCS Detective Dan Josefson (eps439, 447)
- Noel Becker - Messenger #1 (ep399)
- Noel Rodriguez - Cesar Ramirez (ep447)
- Nora Elcar - Jury Forewoman (eps55, 88)
- Norma Fire - Judge Pamela Jensen, Appellate Judge Jean Bryant (ep174), Justice #1 (ep245)
- Norma Rockwood - Mrs. Lawson (ep52)
- Norman Levy - Foreman (ep34)
- Norman Maxwell - Sergeant (ep143)
- Norman Snow - Stuart Levitan (ep93)
- Ntare Mwine - Mark Davies (ep124)
- Nyambi Nyambi - Jackson Early (ep450)
- O.L. Duke - John Green (ep84), Roscoe Squire (ep118), Jackson (ep141), Antonio Chaikin (ep181)
- Octavio Gómez - Francisco (ep248)
- Oksana Babi - Second Natasha (ep205)
- Oksana Lada - Woman (ep390)
- Olayinka Spellman - Tanya (ep454)
- Olga Sosnovska - Velida Prinskka (ep298)
- Olinda Turturro - Jury Forewoman (ep3)
- Oliver Solomon - Officer Gilliam (ep193), Jack Stephens (ep333), Grand Juror (ep400)
- Oliver Vaquer - Jack Nunez (ep455)
- Olivia Birkelund - Clarissa Wagner (ep297)
- Olivia Mandell - Clarissa Barnes (ep373)
- Olivia Negron - Mrs. Perez (ep152), Anna (ep331)
- Olivia Oguma - Melanie Hsu (ep251)
- Omar Jermaine - Carlyle Davis (ep323)
- Oni Faida Lampley - Barbara Kennedy (ep70), Sharlene Patterson (ep125)
- Onika Day - Sarita (ep341)
- Opal Alladin - Rochelle Diggs (ep269)
- Orlagh Cassidy - Angela (ep291), Dana (ep404), Detective Sheila Ray (ep455)
- Orlando J. Torres - Miguel Soto (ep274)
- Oscar A. Colon - Reyes (ep130), Jake (ep226)
- Owen Hollander - Joe Shelby (ep226), Pat (ep309)
- P.J. Barry - Range Owner (ep37), Johnny McDougall (ep70), Burns (ep126)
- P.J. Benjamin - Arthur Gibbons (ep98), Dr. Paul Garrett (ep254), Owen Franks (ep304)
- P.J. Morrison - Uniform Policeman (ep261), Peter Franz (ep309), Rizzo (ep401)
- P.J. Sosko - Steve Vendetti (ep352), Wayne Grogan (ep438)
- Pablo Gonzalez - Lysol (ep403)
- Paddy Croft - Housekeeper (ep106)
- Page Gravely - First Reporter (ep137)
- Pam Bel Anu - Uniform Policewoman (ep251)
- Pamela Blair - Aileen Wojak (ep81)
- Pamela Burrell - Mary Kaylin (ep131)
- Pamela Dunlap - Judge Alice Crawford (ep346)
- Pamela Gray - Nancy Ogden (ep345)
- Pamela Holden Stewart - Irene Morrissey (ep68), Jane Tennick (ep148), Carmen Crider (ep237), Janis Burns (ep402)
- Pamela Nyberg - Audrey (ep138), Jeri Stein (ep163)
- Pamela Wiggins - Gretchen (ep79)
- Paolo Andino - Jensen (ep318)
- Parker Bagley - Chris Festen (ep406)
- Parris Nicole Cisco - Tanya Cobb (ep209)
- Parvin Farhoody - Mrs. Mustafa (ep20)
- Pat Candaras - Judge Leona Vitti (ep227)
- Pat Chambers - Friend of Sara Jobson (ep343)
- Pat Hodges - Monique Hawkins (ep173)
- Pat Moya - Deborah Curtis
- Patch Darragh - Jason Stanford (ep340)
- Patrena Murray - Jury Foreperson (ep387)
- Patricia Buckley - Liz (ep333)
- Patricia Kilgarriff - Nurse Hillary Berg (ep63), Pauline Best (ep361)
- Patricia Hodges - Elaine Cowan (ep28), Helen Veysey (ep86), Diana Wells-Harrison (ep192)
- Patricia Marie Kelley - Foreperson (ep327)
- Patricia Mauceri - Mrs. Fermi (ep30), Virginia Watts (ep154), Belinda Rojas (ep229), Female Friend (ep257)
- Patricia R. Floyd - Melanie Gardner (ep319), Judge Rochelle Desmond (eps380, 392)
- Patricia Rae - Claudia (ep161)
- Patricia Randell - Reporter (ep151)
- Patrick Boll - Newsman (ep81), Rick Sidney (ep118), Barry Bishop (ep378), Allan Liscomb (ep403)
- Patrick Borriello - Vinnie (ep83)
- Patrick Carroll - Carl "Vic Vodka" Barlow (ep373), Andrew Mason (ep439)
- Patrick Edgar - Frank (ep306), Camera Operator (ep437)
- Patrick Farrelly - Jury Foreperson (ep224)
- Patrick Frederic - Locksmith (ep234), Doorman (ep314)
- Patrick Garner - Sy Pappas (ep64), Walter Estes (ep212), Ballistics Technician (ep264), James Stryker (ep318), Kurt Landsberg (ep347)
- Patrick Holder - Vincent Keys (ep356)
- Patrick Husted - Albert (ep88), Darren Fuller (ep170), Ray Gerard (ep423)
- Patrick Kerr - Frank Durnan (ep66)
- Patrick McCartney - Sgt. Leonetti (ep342)
- Patrick McCullough - Jury Foreman (ep82)
- Patrick McDade - Detective William Nolan (ep192)
- Patrick McNulty - Dr. Wasserman (ep339)
- Patrick Melville - Reporter Steve (ep326)
- Patrick Michael Buckley - Sammie (ep274), Jimmy Clark (ep350)
- Patrick Murney - Dwayne Phillips (ep456)
- Patrick Noonan - Officer Frank Johnson (ep405), Detective Jim Pedraza (ep428)
- Patrick Porter - Man (ep408)
- Patrick Quinn - Dr. Grimes (ep270)
- Patrick Tovatt - Appellate Judge Barry Abrams (ep174), Paul Winslow (ep314)
- Patrick Welsh - Mark (ep183)
- Patrick Zeller - Sean Witt (ep399)
- Patrizia Hernandez - Audrey Hermenez (ep392)
- Patti Allison - Mrs. Lasko (ep129)
- Patti Chambers - Lauren Hughes (ep263)
- Patti Karr - Judge Rita Haines (ep155), Rosalie Horton (ep341)
- Patti Perkins - Woman (ep200)
- Patty Dworkin - Carol (ep129)
- Paul A. Schaefer - Gavin Peters (ep440)
- Paul Albe - EMT (ep34), Assistant Medical Examiner (ep128), Jury Foreman (ep191), Door Man (ep308), Court Officer (ep341)
- Paul Bates - Bergin (ep60)
- Paul Bodden - Newsie (ep231)
- Paul Borghese - Clerk (eps342, 360)
- Paul Crane - Peter Morgan (ep175)
- Paul D'Amato - Delbert Kort (ep60), Art Lydell (ep206), Ralph Pena (ep285)
- Paul D'Ambrosio - Mike Thompson (ep169)
- Paul David Ross - Superintendent (ep84)
- Paul DeBoy - Lionel Morrison (ep191), Mr. Cade (ep270), Sean Delancy (ep343), Fred Bellamy (ep419)
- Paul DePasquale - Howie (ep310)
- Paul Diomede - Jay Jay (ep205), Warren Pewls (ep411)
- Paul Doherty - Glen (ep303)
- Paul Eckstein - William Bako (ep54)
- Paul Eichel - Jury Foreman (ep46), Manny Ebbs (ep172)
- Paul-Felix Montez - Savino Montez (ep20)
- Paul Frediani - Number Four (ep78)
- Paul Geier - Redding (ep9), Barry Talbott (ep67), Dr. Charles Webb (ep140), Chuck Baxter (ep160), Dr. Alan Rosenbeck (ep249)
- Paul H. Juhn - Derek Kim (ep423)
- Paul Hamill - Restaurant Manager (ep362)
- Paul Harman - Marvin Edelstein (ep224)
- Paul Hebron - Reporter #2 (ep50), Merriwell (ep93)
- Paul Hoover - Peabody (ep74)
- Paul Jason Green - Maitre D' (ep387)
- Paul Kandel - Reporter #2 (ep44)
- Paul Klementowicz - Marvin Grady (ep165)
- Paul Malluk - Whitney (ep34)
- Paul Molnar - Assistant Medical Examiner (ep229)
- Paul Navarra - Rick Gill (ep143), Bob (ep310)
- Paul O'Brien - Officer Barnes (ep73), Bronx ADA Polk (ep154), Ted Michel (ep320), Judge Ronald Corwin (ep427)
- Paul Reggio - Bob Ward (ep207)
- Paul Rice - Paul Rice (ep123)
- Paul Rolfes - Todd Holton (ep381)
- Paul Romero - Evan Hayes (ep171), Frankie (ep313)
- Paul Sado - Homeless Teenager (ep364), Werner (ep413)
- Paul Scannapieco - Vincent Forrelli (ep64), Desk Clerk (ep104)
- Paul Schoeffler - Mr. Hazlitt (ep122), Harry Thompson (ep276)
- Paul Singer - Bailiff (ep29), Policeman #2 (ep78), Man on Stoop (ep137)
- Paul Sparks - Paul Luterik (ep218)
- Paul Stolarsky - Paul Aiello (ep220)
- Paul Tavianini - Forensic Tech Frost (ep145)
- Paul Urcioli - Bellman (ep141), Dog Walker (ep278), Robert Caldwell (ep381)
- Paul Woodburn - Curtis Randall (ep250), Security Supervisor (ep300)
- Paula Garcés - Lucy Rivers (ep18)
- Paula Laurence - Mrs. Franzel (ep57), Mrs. Silverman (ep77)
- Paula Leggett Chase - Trial Judge Dorothy Parnell
- Paula Newsome - Carol Mallon (ep174)
- Paula Pizzi - Muriel (ep148)
- Paula Rittie - District Attorney (ep280)
- Paulina Gerzon - Hannah Wilder (ep348)
- Paz de la Huerta - Chloe (ep215)
- Pedro Garrido - George Ramos (ep128)
- Peg Healey - CSU Technician (ep172)
- Peggity Price - Maureen Cross (ep195)
- Peggy Cowles - Mrs. Hexter (ep83)
- Peggy Gormley - Hardy (ep59), Marsha Cannon (ep270)
- Peggy Pope - Sally Jaspers (ep250)
- Pell James - Chloe (ep268)
- Penelope Willis - Jury Forewoman (ep106), Nurse (ep154), Clerk (ep194)
- Perren Page - Jury Foreman (ep42)
- Perri Gaffney - Nurse (ep313)
- Perrin Morse - Pia (ep211)
- Perry Martijena - Jude Lupo (ep394)
- Perry Wolberg - John (ep311)
- Pete Simpson - CSU Officer (ep241), CSU Technician (ep268)
- Pete Starrett - Shorts (ep206)
- Peter Bartlett - Judge Thomas Orlin (ep196)
- Peter Benson - Dr. Andrew Bregman (ep208), Kevin Gray (ep384)
- Peter Birkenhead - Pelkie (ep62)
- Peter Boyden - Brad Chumkin (ep173)
- Peter Brouwer - Garret Carter (ep343)
- Peter Bucossi - Wilson (ep33)
- Peter Crombie - Howie Neffer (ep23)
- Peter Elliot Rabin - Foreman (ep277)
- Peter Galman - Mr. McBride (ep242), Dr. Arthur Glassman (ep331)
- Peter Ganim - Tariq Farhat (ep351)
- Peter Giles - Spencer Leff (ep200)
- Peter Kass - Landlord (ep44), Judge Peters (ep66)
- Peter Lewis - Ted Vlahos (ep166), Parent (ep237), Sgt. Dreisner (ep289)
- Peter M. Karlin - Arnold Nathan (ep288), Dr. Barton (ep320)
- Peter Macon - Troy Hill (ep332)
- Peter Marx - Paul Garfield (ep269)
- Peter Miller - Bartender (ep243)
- Peter Napoliello - Victor, Cigar Bar Owner (ep271)
- Peter O'Connor - Court Clerk (ep393)
- Peter Pamela Rose - Trish (ep117)
- Peter Parros - Arraignment Judge Matthew Alden (eps396, 403)
- Peter Picard - Josh's Father (ep391)
- Peter Ratray - Charlie Hatcher (ep89), Charles Hanna (ep128), First Deputy (ep236), Max Willet (ep281), John Kristof (ep372)
- Peter Rini - Assistant US Attorney Michael Cagnetta (ep315)
- Peter Sarsgaard - Josh Strand (ep117)
- Peter Slutsker - Wheeler (ep130)
- Peter Smith - Chris Dauber (ep217), Evan Underberg (ep309)
- Peter Von Berg - Ned Halley (ep55), Doctor (ep157), Judge Hewlett (ep205)
- Peter Yoshida - Joon Rhee (ep51)
- Peterson Townsend - Foreperson (ep375)
- Phil Burke - Tadhg Ruane (ep362)
- Phil Coccioletti - Rick Kasteler (ep129)
- Phil Harrison - Stan (ep154)
- Phil Hoffman - Hypnotherapist (ep14)
- Phil Nee - Harry Woo (ep99)
- Phil Parolisi - Orderly (ep2), Robin Wenner (ep90), Travis Reece (ep133)
- Phil Stein - Technician (ep14), CSU Holmes (ep54)
- Philip Anthony - Male Juror (ep159), Doorman (ep228)
- Philip George Kain - Reporter #1 (eps323, 333)
- Philip Hernandez - Felix Cruz (ep376)
- Philip Hoffman - Eddie Feldman (ep60), ATF Agent (ep267), Svi Isaacson (ep334), Sterne (ep453)
- Philip Lakin - Kid #1 (ep243)
- Philip LeStrange - Corcoran's Lawyer (ep44), McDowell (ep51), Wick (ep93), Commissioner De Maio (eps139, 201), Larry Fuchs (ep150), Barry Deen (ep231), Paul Chagals (ep334)
- Philip Levy - Officer Franzetti (ep36), Novogrod (ep65), Billy (ep194), Floyd Emerson (ep396)
- Philip M. Cowan - Gregory Ellis (ep202)
- Philip Price - Judge Jeffrey Heiser (ep165)
- Philip R. Allen - Defense Attorney Davis (eps15-16)
- Philip Seymour Hoffman - Steven Hanauer (ep14)
- Philippe Brenninkmeyer - Andrew Skinner (ep276)
- Phillip Bramwell - Steve Johnson (ep437)
- Phillip Clark - Murphy (ep71), Axel (ep113), Pete Barnett (ep190)
- Phillip Geoffrey Hough - Kendall Egan (ep124)
- Phoebe Jonas - Emily (ep263)
- Phyllis Bash - Judge Taylor Jackson (ep219), Trial Judge Jensen (ep234), Louise (ep355)
- Phyllis Johnson - Nurse #2 (ep331)
- Phyllis Kay - Gina Salvi (ep178)
- Phyllis Sanfiorenzo - Alley Hooker (ep354)
- Phyllis Somerville - Nurse (ep2), Kristen Cameron, Head Nurse (ep32)
- Pietro González - Super (ep289)
- Pilar Witherspoon - Gina Sparrow (ep278), Patty Larson (ep438)
- Piper Kenny - Detective Pennant (ep400)
- Pippin Parker - Kleinman (ep34)
- Pirie MacDonald - Congressman William Wilson (ep22)
- Polly Adams - Dr. Roberta Gellman (ep89), Kelly McFarland (ep197), Gabrielle Simone (ep290), Arraignment Judge Ida Zeller (eps421, 424)
- Poorna Jagannathan - Rehana Khemlani (ep316)
- Portia Johnson - Mona (ep148), Jasmine (ep210), Yvonne Brady (ep247)
- Portia Reiners - Jill Sorenson (ep436)
- Postell Pringle - Stephen Walker (ep330), Uni #1 (ep393)
- Preston Keith Smith - Warren Finley (ep354)
- Prianga Pieris - Lakshmi (ep7)
- Priscilla Shanks - Theresa Stanhouse (ep176)
- Pun Bandhu - Jeff Green (ep454)
- Purva Bedi - Dr. Dasgupta (ep431)
- Raum-Aron - Joey Rostov (ep390)
- R. Emery Bright - Detective Leon Eggers (ep184)
- R.E. Rodgers - Officer Oliver (ep160)
- Rabbi M. Friedman - Rabbi #2 (ep234)
- Rachel Black - Lisa Denton (ep374)
- Rachel Botchan - Jailed Activist (ep401)
- Rachel Fowler - E.M.T. Samantha (ep390)
- Rachel Leslie - Foreperson (ep429)
- Rachel Stern - Rachel Stern (ep285)
- Rachel Ulanet - Karen (ep401)
- Rafael Báez - Nunez (ep18), Angel Suarez (ep59)
- Rafael Cabrera - Detective #1 (ep247)
- Rafael Ferrer - Clerk (ep12)
- Rafeal Clements - Reporter #1 (ep342)
- Rainer Grant - Marlowe Powers (ep149)
- Ralph Buckley - Bailiff (ep7), Steinmetz (ep58), Grey (ep83), Cox (ep119)
- Ralph Lucarelli - Joseph Russo (ep202), Frank (ep255)
- Ramiz Monsef - Terry (ep444)
- Ramon de Ocampo - Michael Sanchez (ep278)
- Ramon Fernandez - Arturo Ramirez (ep444)
- Ramses Jimenez - Nestor Maldonado (ep435)
- Ramya Pratt - Katie Parnell (ep230)
- Randall Newsome - Jeff Harrington (ep326)
- Randy Blair - Stan Berry (ep428)
- Randy DeOrio - Court Reporter (ep338)
- Randy Frazier - T.A. Supervisor (ep104), Super (ep128), Victor (ep191), Ralph (ep255)
- Randy Lewis - Roscoe Martinez (ep291)
- Randy Lutterman - Assistant (ep111)
- Randy Ryan - Dan Moncreif (ep357)
- Randy Schein - Man (ep360)
- Randy Sklar - Max Finneran (ep343)
- Raquel Mondin - Heather (ep99), Gabriella Cruz (ep275)
- Ras Enoch McCurdie - Walter (ep412)
- Ras Teska - Rowley (ep33)
- Raul Aranas - Oscar Vergilio (ep32), Landlord (ep277)
- Raúl Castillo - Eddy Blanco (ep440)
- Raúl Dávila - Camacho (ep90)
- Ray Bokhour - Craig Gerring (ep278)
- Ray Crisara - ESU Leader (ep350), ESU Officer (ep358)
- Ray DeMattis - Mr. Kolvino (ep24), Cox (ep81), Bob Sanet (ep127), Arnold Dickler (ep243)
- Ray Fitzgerald - Joe Ligelli (ep203)
- Ray Garvey - CPW Policeman #1 (ep206), Rupert (ep288)
- Ray Genadry - Andonian (ep41), Asaad Asalam (ep73), Jeff Mohammed (ep167)
- Ray Gill - Officer Binns (ep18)
- Ray Girardin - Detective Malone (ep102), Det. Sal Martel (ep125), Nick Follett (ep199)
- Ray Iannicelli - Damato (ep20), Kozinsky (ep83), Fred Pappas (ep131), Alfred Celaga (ep202), Caretaker (ep365)
- Ray Luetters - Owen (ep288)
- Ray Virta - Reporter #4 (ep163), Mr. Bowker (ep195), Alex Citren (ep236)
- Ray Wills - Peyser (ep408)
- Ray Xifo - Manager (ep111)
- Raye Dowell - Secretary (ep28)
- Raymond Bokhour - Parsons (epp405)
- Raynor Scheine - Marty (ep318)
- Reade Kelly - Jury Foreman (ep71), Roy Beggs (ep105), Harry Ralston (ep131), Wally Quince (ep167), Peter Taylor (ep217), Glen Malloran (ep254)
- Réal Andrews - Deon (ep379)
- Reathel Bean - Mr. Walter Dolan (ep281)
- Rebecca Edmonston - Juror (ep389)
- Rebecca Harris - Terry Kurasik (ep242)
- Rebecca Hirota - Maitre'd (ep453)
- Rebecca Hollen - Joyce Brandman (ep128)
- Rebecca Roe - Paralegal (ep264)
- Rebecca Tilney - Katherine (ep100)
- Rebecca Watson - Roberta Perkins (ep379)
- Rebecca Waxman - Gail Russell (ep115)
- Rebecca Wisocky - Louise (ep291)
- Rebekah Aramini - Robyn (ep395)
- Reg Flowers - Dr. Robert Emmerich (ep312)
- Reggie Alvin Green - Trial Bailiff (ep288)
- Reggie Montgomery - Francis Awe (ep54), Dawkins (ep70), Leon Monroe (ep123)
- Regina Hilliard Bain - Amy (ep294)
- Reginald Metcalf - Charles (ep370)
- Reginald Washington - Rodrigo (ep282)
- Remy Geller - Female Student (ep447)
- Remy Zaken - Amanda (ep404)
- Rene Balcer - Golfer at driving range (ep150)
- Rene Rivera - Lucio Martinez (ep65)
- Renee Bluestone - Mrs. Stacy Rudman (ep149)
- Renée Lippin - Bernice Steinman (ep33)
- Reuben Jackson - Dr. Paul Bernard (ep263)
- Rex Everhart - Fire Inspector (ep16)
- Rex Robbins - Steinman (ep42), Kettering (ep150)
- Rey Lucas - Louie (ep235), Jorge Marquez (ep435)
- Rhea Silver-Smith - Joanne Rudolph (ep73)
- Rhett Rossi - Lonnie Stiles (ep275)
- Rhetta Hughes - Grandmother (ep17)
- Rhona Fox - Juror (ep439)
- Rhonda Ayers - Carol Harris (ep257)
- Rica Martens - Maxine Lowry (ep200)
- Rich Clayton - CSU Technician #2 (ep159)
- Rich Duva - Max Jessel (ep220), CSU (eps249, 267), CSU Technician Grier (ep303), First Reporter (ep394)
- Rich Hollman - CSU Tech (ep442)
- Rich Pecci - Uniform #1 (ep346)
- Rich Ramirez - Carrillo (ep53), Jenkins (ep84), Julio (ep110), CSU Chaidez (ep127), Trinidad (ep298), Paul (ep423)
- Richard "Bumper" Walker - Firefighter (ep430)
- Richard Backus - Hamilton Burns Jr. (ep44)
- Richard Biermann - Stuart (ep102), Garage Attendant (ep160)
- Richard Caine - Sanders (ep109)
- Richard Caselnova - Court Officer #2 (ep200)
- Richard Cochran - Male Grand Juror (ep131)
- Richard D'Alessandro - Clerk (ep242)
- Richard Donelly - Norm Crispin (ep166), Donald Brody (ep214)
- Richard Duva - EMS Medic (ep61)
- Richard Ferrone - Jenner (ep49)
- Richard Francese - Bryce Roytan (ep116)
- Richard Furlong - Det. Murphy (ep342)
- Richard Gallagher - Gary Bellamy (ep419)
- Richard Henning - Hanssen (ep250), Clerk (ep295)
- Richard Hirschfeld - Assistant ME Brody
- Richard Hoehler - Mr. Minskoff (ep413)
- Richard Holmes - Bill Lynch (ep47)
- Richard Hughes - Dr. Gillick (ep169), Mickey Mason (ep199)
- Richard K. Lublin - Presiding Justice #1 (ep205)
- Richard Kuss - Sgt. Dominick McFadden (ep29)
- Richard Litt - Officer Rossi (ep24), Police Sergeant (ep55), Greenberg (ep70), Krinsky (ep118), Gwinn (ep148), Gronbeck (ep163), Umpire (ep274), Super (ep356)
- Richard M. Davidson - Court Clerk (eps9, 12), Adrian Kaye (ep144), Philip Clark (ep275), Terry Donner (ep334)
- Richard M. Ticktin - Judge Rosenblum (ep19)
- Richard Mawe - Jury Foreperson (ep120)
- Richard Michael Hughes - Jeffrey Meyers (ep122), Patrick Dean (ep144), Chief (ep236), Franklin Praeger (ep276)
- Richard Muenz - Derek Sloan (ep187)
- Richard Petrocelli - CSU Technician (ep83), Officer Roven (ep107), Bob Sarkisian (ep243), Greg Muggio (ep361)
- Richard Price - Charlie (ep401)
- Richard Robichaux - Co-worker (ep344)
- Richard Russell Ramos - Coroner (ep20), Father Di Tirro (ep132), Prof. Paul Serafian (ep239)
- Richard Seff - Hoffer (ep10)
- Richard Spore - Ronald Peavey (ep109)
- Richard Steinmetz - Terry Roland (ep3)
- Richard Thomsen - Dr. Alvin Eidler (ep106), Mr. Fuller (ep161), Geoffrey Viceroy (ep296), Elderly Man (ep343)
- Richard Toth - Briggs (ep291)
- Richard V. Licata - Gary Stenopolis (ep240)
- Richard Ziman - Alex Cassini (ep17), David Kaplan (ep64), Dr. Marienthal (ep154), Marty Benowitz (ep275)
- Richardson Taylor - Foreperson (ep220)
- Richie Hersch - Belcher (ep83)
- Richmond Hoxie - Dr. Albert Cantrel (ep110), Dr. Lloyd Lipman (ep127), Alan Bostwick (ep232), Elliot Marsh (ep270)
- Rick Gifford - Sgt. Bluth (ep364), Mark (ep386)
- Rick Gomez - Ticket Taker (ep129)
- Rick Johnson - Foreperson (ep274), Court Clerk, Clerk (eps311, 341), Court Officer (ep322)
- Rick Kline - Bartender (ep113)
- Rick Warner - Sergeant Michael Lucas (ep192)
- Rick Wasserman - David Caplan (ep234)
- Rick Zieff - Dr. Cohen (eps15, 28), Forensic Technician Rosen (ep120)
- Rico Rosetti - Uni Quintana (ep178)
- Ricky Lopez - C.J. (ep262)
- Rik Alan Walter - Jury Foreman (ep316), Michael Fogarty (ep391)
- Rik Colitti - Fanning (ep155)
- Rita Gardner - Second Judge (ep206), Jury Foreperson (ep230)
- Rita Wolf - Connie Lembeck (ep140)
- Ritesh Rajan - Mustafa (ep450)
- Rob Gomes - Jack (ep102)
- Rob Grader - Jerry (ep271)
- Rob Khakh - Coffee Vendor (ep377)
- Rob Kramer - Anderson (ep167)
- Rob Leo Roy - Adam Jacobs (ep329)
- Rob Nigro - Uniform Policeman (eps156-157)
- Rob Stapleton - Tito (ep365)
- Rob Yang - Asst. M.E. Morean (ep429)
- Robb Pruitt - Comedian (ep90)
- Robert Alexander Owens - Hal Bates (ep234)
- Robert Arcaro - Foreman (ep285), Jimmy (ep321)
- Robert Ari - Howard Lawford (ep323)
- Robert B. Alexander - Doorman (ep180)
- Robert Beitzel - Attendant (ep342)
- Robert Bizik - Strip Club Patron (ep334), Chief Executive Officer (ep344)
- Robert C. Wheeler - Zack Mohr (ep75)
- Robert Catrini - Carl Pettijohn (ep168)
- Robert Coffin - Court Clerk (eps51, 90)
- Robert Colston - Mallory (ep116), Jeff Tyrell (ep173), Tenant #2 (ep277), Luther (ep350)
- Robert Creighton - Phil (ep453)
- Robert DeBlasio - Louis Salvi (ep178)
- Robert DiFalco - Uniform (ep330), Officer Phelan (ep358)
- Robert Dolan - CSU Technician #1 (ep64), C.S.U. Technician (ep149)
- Robert Epstein - Judge Cannavaro (ep448)
- Robert Farrior - Justin Calahan (ep374)
- Robert Floyd - Dan Fairman (ep101)
- Robert Gentry - Barry Pratt (ep239)
- Robert Gerard Larkin - Frank (ep245), Jim (ep293), Uniform Officer #2 (ep314), Uniform Cop (ep363)
- Robert Gomes - First Uniform Policeman (ep146)
- Robert Harriell - Mark Lawford (ep244)
- Robert Harrington - Bailiff (ep437)
- Robert Harte - Student #1 (ep234)
- Robert Hatcher - Martin Butler (ep178)
- Robert Heller - Silva (ep14)
- Robert Hirschfeld - Saunders (ep22), Abrams (ep51), Det. Manny Lipsitz (ep140), Nick Levine (ep219), Andrew Schrader (ep320)
- Robert Jason Jackson - Hector (ep81), Sergeant Scott (ep229)
- Robert Jimenez - Sosa (ep104), CSU Technician (ep146), Rene Benitez (ep206), Det. Paul Garcia (ep353), Mr. Cortina (ep456)
- Robert Joseph Coffin - Court Clerk
- Robert Katims - Jacob Bloom (ep28)
- Robert Kelly - Bobby (ep429)
- Robert Langdon Lloyd - Thomas (ep343)
- Robert LaSardo - Garage Attendant (ep31)
- Robert LaVelle - Assistant M.E. (ep345)
- Robert Leddy Jr. - Kevin (ep105)
- Robert Levine - Dr. Bernard Gluck (ep28), Rabbi #3 (ep234), Zev Mishaan (ep307)
- Robert LuPone - Kurtz (ep7), Bill Wendyll (ep79)
- Robert Lydiard - O'Keefe (ep215)
- Robert Montano - Rivera (ep114), CSU Technician (ep154), Clemente (ep164), Father Ramon Aguerro (ep217)
- Robert Moresco - Sergeant Henry Rhodes (ep65)
- Robert Petkoff - Kyle Vessas (ep174), Dr. Matthew Carton (ep208), Ken Lesavov (ep376)
- Robert Phelps - Ron (ep91), Ellison's Attorney (ep150)
- Robert Poletick - Hauser (ep30), Sandler (ep84), Second Reporter (ep132), Carl Feinberg (ep253)
- Robert Prescott - Major Halpern (ep247), Warden (ep294), Coach Aikens (ep341)
- Robert R. Ross Jr. - Brent Sullivan (ep381)
- Robert Raines Martin - Cummings (ep136), Assistant ME Gil Dennis (eps266, 273)
- Robert Riesel - Zarovic (ep19)
- Robert Rodriguez - Public Officer Hernandez (ep284)
- Robert Ross - Jerry Agnelli (ep209)
- Robert Salviotti - Shane (ep125)
- Robert Sedgwick - Mickey (ep58), Elliot Peters (ep339)
- Robert Sevra - Herb McCann (ep33)
- Robert Shampain - Reporter #1 (ep96)
- Robert Spillane - Mechanic (ep160), Terry Mays (ep198), Jack Lynch (ep260)
- Robert Trumbull - Dean Jerome Parks (ep62), Bennett Cole (ep96)
- Robert Vazac - Uniform Policeman (ep32)
- Robert Vincent Smith - Mr. Carouso (ep217)
- Robert Zarem - Bobby Zarem (ep180)
- Roberto Cambiero - Clerk (ep380)
- Roberto DeFelice - Raoul (ep425)
- Robertson Carricart - Ben Winston (ep216), Priest (ep248)
- Robin Baxter - Corinne Dumas (ep261), Marissa Spencer (ep329)
- Robin Galloway - Cynthia Emerson (ep393)
- Robin Martin - Robin Martin (ep132), Nadine (ep147), Jury Forewoman (ep175)
- Robin Mattson - Francine Landen (ep278)
- Robin Miles - Clerk (ep272)
- Robin Morse - Anne (ep265), Cranky Wife (ep334)
- Robin Moseley - Dorothy Mason (ep137)
- Robin Paris - Pamela Marks (ep188)
- Robin Tunney - Jill Templeton (ep83)
- Robinson Frank Adu - Armstrong (ep29), Mr. Johnson (ep124)
- Robyn Hatcher - Foreperson (ep379)
- Rock Kohli - Aziz (ep326), Mr. Singh (ep425)
- Rocky Carroll - Dr. Davids (ep1)
- Rod Brogan - Owner (ep255)
- Rod Maiorano - Joe (ep296)
- Roderick Garr - Officer Kelly (ep37)
- Roderick Hill - Shane Hartigan (ep402)
- Roderick McLachlan - Paramedic (ep28), Wally (ep102)
- Roderick Pannell - Jeffrey North (ep330), Tommy Bennett (ep392)
- Rodney Gilbert - Lester (ep303)
- Rodolfo Díaz - Jury Foreman (ep4)
- Roger Bart - Alec Hughes (ep224)
- Roger DeWitt - Overton (ep176), Judge John Marconi (ep441)
- Roger J. Timber - Uni (ep451)
- Roger Pretto - Raymond Ramirez (ep40), Roger Pretto (ep165), Martin Garcia (ep213)
- Roger Rignack - Irate Man (ep3)
- Roger Robinson - Dr. Ames (ep21)
- Roger Serbagi - Trial Judge Robert Quinn
- Roland Sands - Jury Foreman (ep235)
- Romeo Ballantine - Hispanic Worker (ep413)
- Romi Dias - Heather Sanchez (ep386)
- Ron Brice - Marvin Welles (ep51), Tercel (ep84), Officer Service (ep152), Natron (ep235)
- Ron Domingo - CSU (ep248), ESU Tech #2 (ep272), Detective Gonzales (ep338)
- Ron Faber - Santmyer (ep18), Pepitone (ep1690
- Ron Foster - William Jefferson (ep6)
- Ron Lee Savin - Dooley (ep120), Tenant #1 (ep277)
- Ron McClary - Lombardi (ep215), Billie Mack (ep244), Spears (ep301), Detective Ed Mooney (ep357)
- Ron Nakahara - Gus Christen (ep114), Mr. Kim (ep187)
- Ron Ostrow - Whalen (ep33), CSU Tech #1 (ep81)
- Ron Parady - Chessman (ep44), Deputy Mayor Albert Gerard (ep111), Martin Bischoff (ep138), Judge Gary Kendrick (ep205), Judge Anthony Vallone (ep276)
- Ron Ryan - Ross (ep13), Sergeant Jack Harley (ep65), Wallace (ep103)
- Ron Scott - Tech (ep349), Fire Marshall (ep374)
- Ron Simons - Fire Marshall (ep343), Warden Derek Kleban (ep440)
- Ron Vitalia - Max
- Ronald Hunter - Pilefsky's Defense Attorney (eps15-16)
- Ronald Maccone - Building Super (ep110)
- Ronald Sylvers - Jury Foreman (ep304)
- Ronald Weyand - Father Dimitrius (ep154)
- Ronald Wyche - Barry Kirvin (ep109), Carl (ep271), Claude Worthy (ep348)
- Ronete Levenson - Lexa (ep404)
- Ronnie Farer - Mrs. Marty Alcott (ep28), Gina Berrt (ep275), Diane Wharsey (ep318)
- Ronny Mercedes - Messenger #2 (ep399)
- Ronobir Lahiri - Ely (ep227), Motel Clerk (ep325)
- Rony Clanton - Alternator Jones (ep168), Robbie Ward (ep191), Super (ep262)
- Rosalie Tenseth - Dr. Deana Abrams (ep298)
- Rosanna Carter - Mrs. Jackson (ep11), Old Woman (ep78), Mrs. Hemmerick (ep158)
- Roscoe Orman - Trial Judge Alan Kiley (ep247), Mr. Cameron (ep329)
- Rose Anna Mineo - DeLoach (ep75)
- Rose Arrick - Mrs. Birnbaum (ep21), Dr. Jane Freeland (ep112)
- Rose Gonzalez - Court Reporter (ep408)
- Rosemarie Cepeda - Homeless Woman (ep364)
- Rosemary Camas - Carla Simonelli (ep189)
- Rosemary McNamara - Elinor Garrett (ep58), Rose (ep101)
- Rosemary Vaswani - Pharmacist (ep228)
- Ross Gibby - Max (ep115)
- Ross Johnson - Son (Aka Eddie; ep443)
- Roy Alan Wilson - Bob Frankel (ep106)
- Royce Johnson - Alan (ep333), Ricky Bonner (ep389), Paramedic (ep436)
- Ruby Jerins - Lacy Talbot (ep415)
- Rudy Hornish - Hendrick's Lawyer (ep10)
- Rudy Mungaray - Jerry Morales (ep412)
- Rudy Roberson - Lonnie Nolan (ep251)
- Rufus Collins - Teagle (ep91), Ira (ep240), Trial Judge Winston Delahunt (eps372, 386)
- Rufus Read - Derek Vogel (ep269)
- Rus Blackwell - Peter Howard (ep104)
- Russ Anderson - Judge Peter Waring (ep379)
- Russ Vigilante - Gianni Lupo (ep171), Gino (ep254)
- Russell Garrett - Sal Violet (ep26)
- Russell Hornsby - Danny Ruiz (ep211)
- Russell Horton - Markham Markowitz (ep1)
- Rusty DeWees - Leon Trapp (ep116), Dave Randall (ep145)
- Rusty Ross - Mark Gretna (ep353)
- Rusty Thrasher - CSU Tech (ep238)
- Ruth Gottschall - Registered Nurse (ep255)
- Ruth Maleczech - Old Woman (ep289)
- Ruth Nerken - Rita (ep164)
- Ruth Vool - Mrs. Koblin (ep46)
- Ruth Williamson - Dr. Rachel Moran (ep100), Sophie Mercier (ep138)
- Ryan Brannan - Vince Fonsella (ep412)
- Ryan Cowie - Clarkson (ep347)
- Ryan Cyrus Shams - Riza (ep406)
- Ryan Dunn - Jane (ep155)
- Ryan Patrick Bachand - Kevin Malone (ep226), Luke Drummond (ep396)
- Ryan Woodle - Larry McHale (ep412)
- Ryan Woodring - Detective Milton (ep256)
- Sabina Gadecki - Brenna Lane (ep452)
- Sabine Singh - Allison (ep200)
- Sabra Jones McAteer - Tracy Teasdale (ep184)
- Sabrina Avila - Jogger (ep171)
- Sabrina Boudot - Sharon (ep60)
- Sabrina Lloyd - Kate "Katie" Silver (ep42)
- Sabrina Veroczi - Lisa Ziff (ep414)
- Saidah Arrika Ekulona - Dr. Claire Metoyer (ep186), Officer Radson (ep233)
- Sal Mistretta - Dr. Lucas Ziering (ep415)
- Sal Petraccione - Ray Cardenas (ep186), Buddy (ep279)
- Sal Ranieri - First Goon (ep313)
- Sal Trapani - Jail Guard (ep18)
- Sal Viviano - Reporter #2 (ep222)
- Salem Ludwig - David Judd (ep208)
- Sally Andrews - Clerk (ep80)
- Sally Chamberlin - Forewoman (ep28)
- Sally-Jane Heit - Judge Alice Berksit (ep205)
- Sally Stewart - Angie Brenner (ep185)
- Salvatore Inzerillo - Eddie Costa (ep392)
- Sam Baum - Law Clerk (ep26)
- Sam Breslin Wright - Kurt (ep425)
- Sam Catlin - Maitre'D (ep169)
- Sam DeFazio - Token Booth Clerk (ep257)
- Sam Fontana - Manning (ep69)
- Sam Gold - David Cole (ep264)
- Sam Guncler - Chris Sowlakis (ep274), Judge Duncan Harvey (eps382, 411)
- Sam J. Coppola - Bartender (ep31)
- Sam Jaeger - Bill Conway (ep203)
- Sam Josepher - Saleswoman (ep55)
- Sam Kitchin - Uniform #2 (ep338), Bobby (ep430)
- Sam Kressner - Devon (ep398)
- Sam Levassar - Tom (ep230)
- Sam Marks - Uniform Cop (ep302)
- Sam Osheroff - Damon Baker (ep382)
- Sam Reni - Jack (ep154)
- Sam Turich - Crawford (ep225), Uniform Policeman (ep243), Uniform Officer (eps305, 323)
- Sam Valle - Johnny Ramirez (ep163)
- Samantha Brown - Arlene Williams (ep137)
- Samaria Graham - Doreen (ep35), Officer Jenna Adams (ep53)
- Samia Shoaib - Donna Khobar (ep167)
- Samuel Maupin - Mr. Eastman (ep295)
- Samuel Ray Gates - Trooper (ep373), Officer Pyle (ep410)
- Samuel Stricklen - Tyler Jefferson (ep443)
- Sándor Técsy - Lewis (ep139), Lewis (ep201), Arten Bardha (ep335), Anton Vasic (ep406)
- Sandra Beall - Jogger (ep7)
- Sandra Bowie - Foreman #1 (ep37)
- Sandra Daley - Susie Rayber (ep99), Lori Matthews (ep193), Selina Watts (ep235), TSA Supervisor Thea Bates (ep452)
- Sandra Joseph - Brenda Sawyer (ep441)
- Sandra Mills Scott - Mrs. Lovell (ep323)
- Sandy Moore - Owner (ep315)
- Sandye Wilson - Operator #1 (ep65)
- Sanjay Chandani - Balati (ep216)
- Sanjiv Jhaveri - Clerk (ep251), Assistant ME Roger Migdal (eps287, 298), Sinja (ep354)
- Santiago Douglas - Eddie Camarillo (ep120)
- Saoul Mamby - Luis Cartagena (ep18), Enrico Sariego (ep99)
- Sara Chase - Sarah Walsh (ep415)
- Sara Kathryn Bakker - Gwen Krantz (ep389)
- Sara Surrey - Jeanette Gautreaux (ep290), Kimberly James (ep371)
- Sarah Beth Nelson - Angela Jarrell (ep245)
- Sarah Brockus - Charlene Polansky (ep207)
- Sarah Burke - Jury Forewoman (ep50), Natalie's Mother (ep152), Judge Isabella Hutchins (ep191)
- Sarah Delgado - Janie Hanson (ep452)
- Sarah Fleming - Libby (ep4)
- Sarah Grace Wilson - Abby Watts (ep384), Sandy Renquist (ep441)
- Sarah Graham Hayes - Gail (ep266)
- Sarah Hyland - Kristine McLean (ep327)
- Sarah Ireland - Ellen (ep409)
- Sarah-Jane Casey - Sarah Ridell (ep362)
- Sarah Jenkins - Marley Shelton (ep263)
- Sarah Knapp - Jury Foreperson (ep314)
- Sarah Knowlton - Jasmine Kosovich (ep268)
- Sarah Litzsinger - Liza (ep47)
- Sarah Louise Lilley - Sara (ep257), Young Woman (ep344)
- Sarah Melici - Phyllis Schroder (ep88)
- Sarah Mindlen - Shopgirl (ep373)
- Sarah Nina Hayon - Isabel Paez (ep395)
- Sarah Peterson - Marion McLean (ep416)
- Sarah Rafferty - Jennifer Shaliga (ep202)
- Sarah Rowland Doroff - Didi Lowenstein (ep9)
- Sarah Viccellio - Eileen (ep402)
- Saramoira Shields - Zed (ep446)
- Sasha Durcan - Law Secretary (ep217)
- Sasha Eden - Witness #1 (ep301)
- Sasha Nanus - Dr. Rachel Manners (ep89)
- Sasha Nesterov - Roman Laskin (ep204)
- Saul Stein - Bouncer (ep36), Bruno D'Angelo (ep83)
- Saundra McClain - Mrs. Richardson (ep8), Jan Cobler (ep106), Flora Marley (ep155), Tracy Howard (ep192)
- Saycon Sengbloh - Nurse Jamie Peltzer (ep415)
- Sayra Player - Renee Rostov (ep390)
- Scarlett C. Sperduto - Jennifer Clark (ep350)
- Schuyler Grant - Callie (ep25)
- Scott Andrew Harrison - Sergeant (ep245)
- Scott Chan - Delivery Guy (ep376)
- Scott Decker - Mike Bass (ep339)
- Scott Evans - Thomas Moran (ep446)
- Scott Freeman - Doug Richter (ep354)
- Scott Hoxby - Dr. Glen Freemi (ep362)
- Scott Irby-Ranniar - Eddie Helford (ep196)
- Scott Johnsen - Boss (ep277), Detective (ep304), Detective Eckworth (ep330), Fred Shapiro
- Scott Liloia - Veteran (ep392)
- Scott MacDonald - Brown (ep88)
- Scott Nicholson - Uniform Policeman (ep93), Court Officer (ep112), First Policeman (ep206)
- Scott Rabinowitz - Coroner's Assistant (ep112), Dr. Levine (ep149)
- Scott Robertson - Judge Stephen Legrande (ep426)
- Scott Schafer - Clerk (ep340)
- Scott Schmidt - Jim Snyder (ep273)
- Scott Sherman - Stan (ep136)
- Scott Wentworth - Senator Elliot Judson (ep267)
- Scott Whitehurst - Melman (ep101), Lester Metcalf (ep170)
- Scottie Thompson - Julia Ketchum (ep363)
- Scotty Bloch - Judge Naomi Baum (ep86)
- Scotty Dillin - Clerk (eps254, 310)
- Sean Arbuckle - Doctor (ep144)
- Sean Bennett Geoghan - Ricky (ep346)
- Sean Dougherty - Sgt. Saunders (ep377)
- Sean Ellis - Jerome Early (ep132)
- Sean Haberle - Walter Flint (ep364), Ray Campbell (ep403)
- Sean Jenness - Sergeant Anvers (ep444)
- Sean Kenin - Technician (ep323), Fisk (ep390)
- Sean McCourt - Salesman (ep255), Assistant Medical Examiner (ep295), Assistant M.E. (ep360), Joe Darman (ep419), Andre Strauss (ep433)
- Sean Meehan - Jerry Conroy (ep400), DEA Agent Rory Califano (ep440)
- Sean-Michael Bowles - P.A. (ep437)
- Sean Oliver - Court Clerk #2 (ep371), Court Clerk (ep389)
- Sean Owens - Uniform Cop (ep268), Uni (ep345)
- Sean Patrick Doyle - Tranny Hooker (ep417)
- Sean Patrick Reilly - Stevie Orlando (ep219), Tom Rodriguez (ep283), Sergeant Frank Lorenzi (ep429)
- Sean Phillips - Uniform #1 (ep338), JTTF Detective Winston (ep375)
- Sean Pierce - John Herzek (ep280)
- Sean Runnette - Headwaiter (ep160)
- Sean T. Krishnan - Chad Patel (ep248)
- Sean Whitesell - Intern (ep1)
- Sean Williams - Court Clerk (ep323)
- Sebastian Sozzi - Alfonso (ep222), Tommy Gutierrez (ep251), Monte (ep265), Rodrigo Diaz (ep449)
- Sekou Laidlow - Prial (ep312), Emerson Tyler (ep368)
- Selenis Leyva - Louisa (ep205), DeeDee Salazar (ep240), Nita Cabrera (ep316), Detective Mariluz Rivera, Rona Henderson (ep447)
- Seth Jerome Walker - Kevin (ep70)
- Seth Jones - Paul Engel (ep197), Dr. Morse (ep228)
- Seth Sibanda - Fabian Ayinde (ep54)
- Shaheen Vaaz - Reporter #3 (ep259)
- Shane McDermott - Kyle Winters (ep102)
- Shannon Burkett - Carla Baker (ep290)
- Shantell Herndon - Jennie (ep296)
- Shareen Mitchell - Jane Alter (ep56)
- Shari Albert - Marisa James (ep283)
- Shari Simpson - Marian (ep127)
- Sharif Rashed - Ric Van Buren (ep94)
- Sharifa Laguerre - Jannette Richards (ep317)
- Sharita Hunt - Clerk (ep209)
- Sharon Angela - Brenda McCarthy (ep70), Doris (ep118), Delia (ep141), Vanessa (ep315)
- Sharon Cornell - Jerolyn Adams (ep96)
- Sharon Eisman - Louisa (ep413)
- Sharon Ernster - Doris Rennick (ep13)
- Sharon Hope - Marguerite Le Chevalier (ep165), Judge (ep241), Judge Coretta Hayes (ep369)
- Sharon Martin - Linda Byrd (ep94)
- Sharon Raab - Antonia Drake (ep206)
- Sharon Scruggs - Kathy Jones (ep173)
- Sharon Washington - Mrs. Fox (ep85), Sally Thaxton (ep171), Dr. Dorothy Hunter (ep304), Janet Franklin (ep363)
- Sharon Watroba - Jury Forewoman (ep67)
- Sharrieff Pugh - Fontaine (ep41), Marcus (ep262)
- Sharron Bower - Stephanie (ep296)
- Shaun Kevlin - Sgt. Jackson (ep390)
- Shaun Patrick Flynn - Grand Juror (ep405)
- Shaun Powell - CSU Technician (eps264, 272), CSU Tech Barrett (ep292)
- Shaunice Mudahy - Fiona (ep181)
- Shavonne Conroy - Foreman (ep287), Alana Sanders (ep353)
- Shawn Andrew - Ricky Robinson (ep371), Courthouse Guard (ep409), Sensei Joseph (ep443)
- Shawn M. Howard - Franco (ep70)
- Shawn McLean - Jamal (ep100), Julius West (ep314)
- Shayna Ferm - Suzanne Giles (ep352)
- Sheffield Chastain - Malcolm Cardorette (ep244), Dwight McNary (ep357)
- Sheila Murphy - Sarah (ep276)
- Sheila Stasack - Paula Stack (ep357), Grand Juror #2 (ep456)
- Sheila Tapia - Uni (ep392), Sgt. Murphy (ep420)
- Shelley Williams - Alice Tervaine (ep223), Kimberly Watson (ep304), Beverly Doyle (ep356)
- Shelly Gibson - Eleanor (ep47)
- Shelly Keiser - Yvonne (ep100)
- Sheree LaDove-Kent - Jury Foreperson (ep338)
- Sheridan Crist - Hines (ep82)
- Sherman Alpert - Courtroom Press (ep380)
- Sherry Anderson - Anne Jenlow (ep329)
- Sherry Pagán - Lead Juror (ep234)
- Sheryl McCallum - Woman (ep243), Crossing Guard (ep336)
- Shirl Bernheim - Landlady (ep2), Leah Glaser (ep319)
- Shirley Rumierk - Cissy (ep8)
- Shirley Stoler - Charlie Maylen (ep28)
- Shiya Ribowsky - Cantor (ep360)
- Shona Tucker - Records Clerk (ep1), Dolores Ruffin (ep75)
- Sid Solomon - Brian Delby (ep279)
- Sid Winter - Jury Foreman (ep47)
- Sidné Anderson - Supervisor (ep350)
- Sidney Armus - Judge Fadenhecht (ep10), Arraignment Judge Arnold Fishbein (eps16, 64), Judge Walther (ep90)
- Sidney Symington - Jury Foreman (ep102)
- Sidney Williams - Ian (ep316), TARU Tech (ep379), Muir (ep456)
- Simon Feil - Jury Foreperson (ep401)
- Simon Jutras - George (ep282)
- Simonetta Bortolozzi - Miki Hayden (ep273)
- Siri Baruc - CITU Tech Rowland (ep401), Detective J. Glick (ep448)
- Siu Wah Lau - David Lee (ep83)
- Sixto Ramos - Angel (ep18), Jose Enriques (ep287), Carlos (ep386)
- Skye Bassett - Mattie Braverman (ep120)
- Snezhana Kushnir - First Natasha (ep205)
- Socorro Santiago - Cora Amado (ep27), Clarice Reynolds (ep107), Teresa Regalado (ep148), Alma Cabrera (ep189), Teresa Martinez (ep247), Mrs. Anna Rodriguez (ep299), Estela Richter (ep354)
- Sofia Landon - Judith Bryce (ep66)
- Sol Frieder - Rabbi #1 (ep234)
- Sol Miranda - Anna Mollinedo (ep209), Lucy (ep311), Rita Hernandez (ep354)
- Sondra Gorney - Mrs. Kessler (ep184)
- Sondra James - Mrs. Stavros (ep86), Sarah Taffler (ep225), Manager (ep245)
- Sonia Manzano - Barbara Benitez (ep318)
- Sonja Lanzener - Mrs. Matilla (ep93)
- Sonnie Brown - Assistant ME Cho Shen
- Sonny Hurst - Mace (ep113)
- Sonny Jim Gaines - Albert Giggins (ep93)
- Sonny Vellozzi - Reporter (ep338), Lawyer (ep344)
- Sonya Tsuchigane - Reporter #2 (ep387)
- Soomi Kim - Ronnie Shamura (ep285)
- Sophie Hayden - Beverly Dorfman (ep74), Karen O'Farrell (ep308)
- Sophie Maletsky - Elaine (ep27)
- Sophie Nyweide - Agatha Archer (ep383)
- Sophina Brown - Dana (ep290)
- Spartan McClure - James Davis (ep65)
- Spence White - Dan Whitton (ep226)
- Spencer Chandler - Desk Clerk (ep314)
- Spencer Cohen - Coroner's Assistant (ep125)
- Spencer Scott Barros - Police Lab Technician (ep238)
- Spiro Malas - Mr. Oakley (ep153), Taxi Driver (ep180), Paul Bakalis (ep358)
- Stacey Ann Logan - Jane Kransky (ep304)
- Stacy Greene - Tami (ep125)
- Stacy Highsmith - Darla Walters (ep125), Terrified Woman (ep206)
- Stacy Shane - Maxwell (ep425)
- Stan Carp - Steiner's Super (ep170)
- Stan Egi - Chang (ep24)
- Stan Lachow - Elliot Woods (ep29), Trial Judge Donald Renner
- Stan Schwartz - Fisherman (ep49), Mike McDugan Sr. (ep145)
- Stanja Lowe - Preston (ep24), Maddy Fine (ep98), Mrs. Martin, Sr. (ep167)
- Stanley Wayne Mathis - Berk (ep228)
- Star Jasper - Betsy Rawls (ep30)
- Starla Benford - Betty Wald (ep181), Eileen Hargrove (ep307)
- Stefanie Nava - Katie Corwin (ep302)
- Stelianie Tekmitchov - Monica Vance (ep414)
- Stella Maeve - Alexis Henderson (ep358)
- Stephaney Lloyd - Jury Forewoman (ep22), Joleen Gibson (ep108), Foreperson (ep256)
- Stephanie Barton-Farcas - Shelly Ross (ep169)
- Stephanie Bast - Lisa Kim (ep309), Susie Yee (ep320)
- Stephanie Berry - Nurse (ep2), Estelle Walters (ep123), Dolores Weston (ep178), Bildner (ep236), Mrs. Quilty (ep302)
- Stephanie Cannon - Claudia Sawchuck (ep183), Karen (ep271), Eileen Flynn (ep379)
- Stephanie DiMaggio - Kim Hendry (ep422)
- Stephanie Gatschet - Matty Helder (ep270)
- Stephanie Gordon - Nurse (ep1)
- Stephanie Janssen - Angela Colson (ep450)
- Stephanie Kurtzuba - Janet (ep328)
- Stephanie Lane - Susan Landsman (ep124), Denise (ep151)
- Stephanie Madden - First Patron (ep195)
- Stephen Balantzian - Lawyer (ep418)
- Stephen Beers - Son (ep410)
- Stephen Gevedon - David (ep418)
- Stephen Graybill - Uniform Cop (ep428)
- Stephen Largay - Vagrant (ep434)
- Stephen Lee Anderson - Henry Winters (ep414)
- Stephen Park - Dr. Bruce Chang (ep396)
- Stephen Rowe - Magistrate Warren (ep400), Judge Edgar Warren (ep450)
- Stephanie Michels - Gloria Regelson (ep325)
- Stephanie Musnick - Foreperson (ep298)
- Stephanie Trudeau - Mrs. Friedman (ep36)
- Stephen Adly-Guirgis - Ibrahim (ep157)
- Stephen Beach - Father O'Donnell (ep196)
- Stephen Berger - Liebowitz (ep74), Judge Robin Ingles (ep130), Judge David Weintraub (ep242), Judge Berger (ep264), Judge Thomas Huce (ep344)
- Stephen Bienskie - Simon (ep253)
- Stephen Bolster - Dr. Phillip Banks (ep38)
- Stephen Bradbury - Jim Nelson (ep128), Victor Henckel (ep147)
- Stephen De Fluiter - Cioran (eps4, 10), Thomas (ep36)
- Stephen Federbusch - Sketch Artist (ep242)
- Stephen Gevedon - Edward Brennig (ep110)
- Stephen Innocenzi - Bellman (ep247)
- Stephen Kunken - Process Server (ep180), Mark Wood (ep238), Dwight Connelly (ep353)
- Stephen Lee Anderson - Leo Isherman (ep223)
- Stephen Mendillo - Harmon (ep18)
- Stephen Mo Hanan - Peterson (ep190)
- Stephen Newman - Dr. Seliger (ep25)
- Stephen Park - Dr. Park (ep342)
- Stephen Paul Johnson - Dinell (ep205)
- Stephen Payne - George Mazlansky (ep74), Gerald Platt (ep277)
- Stephen Prutting - Detective Cassidy (ep22)
- Stephen Rowe - Kevin Flynn (ep250), David Harrison (ep296)
- Stephen Sable - Officer Bobby Chang (ep222)
- Stephen Stout - Dr. Keogh (ep177), Phil Sager (ep202)
- Stephen W. Tenner - Officer Myles (ep450)
- Stephen Wastell - Bartender (ep171)
- Stephen Xavier Lee - Tim Chong (ep42)
- Steve Axelrod - CSU Tech Catalano (ep110), Philly (ep145), Detective Catalano (ep184)
- Steve Beauchamp - Detective Paul Kadish (ep320)
- Steve Blanchard - Pub Owner (ep263), Calvin Montgomery (ep335), Louis Kohner (ep377)
- Steve Boles - Metcalf (ep27), Samuel Kessler (ep82)
- Steve Brady - Rudie (ep212), Dr. Robert Horton (ep355)
- Steve Cirbus - Sgt. Danny McMahon (ep377), Agent Hasker (ep400)
- Steve Hamm - Uni (ep366), Uni #1 (ep389), Sergeant Jordan Smith (ep440)
- Steve Herman - Court Officer (ep359)
- Steve Hurwitz - Mitch Sandrick (ep222), John Clymer (ep315)
- Steve Itkin - O'Hare (ep12)
- Steve Luker - Doorman (ep367)
- Steve Paskoski - Max Paris (ep174)
- Steve Pickering - Roger Coven (ep215)
- Steve Rosen - Scott (ep418)
- Steve Rosenberg - Bartender (ep201)
- Steve Routman - Michael Dunn (ep345), Doorman (ep376), Judge Allister Delaney
- Steven Arvanites - Clerk (ep79)
- Steven Boyer - Scott Purdy (ep267), Sonny (ep403), Sal Jerome (ep439)
- Steven Brooker - Kid #1 (ep37)
- Steven Burns - Kevin Jeffries (ep107)
- Steven Cole Hughes - Foreman (ep433)
- Steven Dominguez - Mateo (ep258)
- Steven Friedman - Bill Carter (ep419)
- Steven Gilborn - Judge Marton (ep5), Trial Judge (ep3)
- Steven Goldstein - Rabbi Kornstein (ep154)
- Steven Kaplan - Mike (ep377)
- Steven Marcus - Sheets (ep7), Louis Palumbo (ep160)
- Steven Mark Friedman - Nathan Shrieber (ep179), Jesse Ornel (ep223)
- Steven Martini - Josh Shelton (ep106)
- Steven Randazzo - Quinn (ep26)
- Steven Rodriguez - Tirado (ep65)
- Steven Skybell - Lance Dickinson (ep224)
- Steven Stahl - Frank Sullivan (ep112), Det. Rod Mac Neal (ep145)
- Steven Ted Beckler - Cranford White (ep430)
- Steven Witkoff - Foreperson (ep430)
- Stewart Bick - Jennings Canter (ep151)
- Stewart Russell - M.E. Bagley (ep109)
- Stewart Steinberg - Dr. Joseph Vinton (ep67), Louie Dantone (ep196), Rabbi Mendel (ep253), Deli Owner (ep281)
- Stracy Diaz - Patricia Botten (ep300), Dari (ep342)
- Stu Riley - Bryant (ep109), Frank Harker (ep165), Dominic Dalton (ep243)
- Stuart Feldman - Kevin (ep151), Frank Denson (ep249)
- Stuart Rudin - James Polesky (ep26)
- Stuart Zagnit - Harry Sharpiro/DDS (ep136), Carson (ep210), Jim Roker (ep270)
- Subhash Mandal - Forensic Computer Technician (ep221)
- Sue-Anne Morrow - Secretary (ep195), Lydia Jones (ep438)
- Sue Jin Song - Suzy Ikedo (ep285)
- Sugar Johnson - Lewis (ep75)
- Sully Boyar - Swersky (ep6), Judge Harvey Sirkin
- Sully Diaz - Alicia Rivers (ep18)
- Susan Aston - Lydia (ep52)
- Susan Batson - Mavis (ep13)
- Susan Baum - Second Female Juror (ep159)
- Susan Bennett - Marty Breen (ep431)
- Susan Bigelow - Paulette Walker (ep138), Mary Fazekas (ep238)
- Susan Blackwell - Gabrielle Ruffino (ep172), Erica Castle (ep196), Judge Agnes Reisman (ep394)
- Susan Browning - Jury Forewoman (ep18)
- Susan Cella - Maria Rago (ep149), Cookie (ep367)
- Susan Grace - Jury Forewoman (ep40)
- Susan Greenhill - Leslie Beecham (ep297), Sarah (ep448)
- Susan Heyward - Alicia Rodriguez (ep443)
- Susan Kelechi Watson - Tanya Ware (ep317)
- Susan Knight - Allison McGill (ep3)
- Susan McMahon - Jen (ep327)
- Susan Pellegrino - Judge Jeanette Donaldson (ep342), Patricia Wilshere (ep440)
- Susan Pilar - Flight Attendant Gabrielle Barra (ep168)
- Susan Ross - Secretary (ep127)
- Susan Varon - Antonia (ep333), Dargerville Court Clerk (ep416)
- Susan Wands - Dr. Cameron (ep193)
- Susan Willerman - Jury Forewoman (ep91), Court Clerk (eps132, 159)
- Susan Willis - Mrs. Landers (ep134), Mary (ep210)
- Susann Fletcher - Doris Cavanaugh (ep226)
- Susanna Frazer - Jury Foreperson (ep133), Joan Drucker (ep396)
- Susanna Guzman - Lourdes (ep311), Nurse Esposito (ep378), Maria Cruz (ep420)
- Suzan Mikiel Kennedy - Jury Forewoman (ep422)
- Suzanne Cerreta - Molly Carr (ep347)
- Suzanne Cryer - Sandy (ep47)
- Suzanne DiDonna - Brandy Fraoli (ep247)
- Suzanne Grodner - Judge Metzelder (ep377)
- Suzanne Hevner - Nurse Rose Lee (ep416)
- Suzanne Santo - Patty (ep291)
- Suzanne Shepherd - Arraignment Judge (ep3)
- Suzanne Smith - Lisa Belfour (ep173)
- Suzanne Steele - Taxi Wife (ep43)
- Suzanne Toren - Anna Rossi (ep82)
- Suzie Cho - Tina (ep356)
- Sybyl Walker - Patti Cassell (ep202)
- Sydney Davis - Foreperson (ep356)
- Sylva Kelegian - Sandra Lawlor (ep166)
- Sylver Gregory - Darlene (ep231)
- Sylvia Kauders - Elderly Woman (ep152)
- T. Ryder Smith - Detective Mathers (ep107)
- T.J. Kenneally - Dale Moran (ep286)
- T.J. Mannix - Other Attorney (ep395)
- T.V. Carpio - Laundry Lady (ep277)
- Ta'Rea Campbell - Young Woman (ep317)
- Taiyi Greaves - Taiyi Greaves (ep108)
- Tala Ashe - Madison (ep406)
- Tamara Daniels - Schiff's Secretary (ep132), Secretary (ep138), D.A. Clerk (ep145), Clerk (ep152)
- Tamara Torres - Woman (ep251)
- Tami Dixon - Jenna Tarantino (ep348)
- Tammi Clayton - Girl (ep254)
- Tammy Jo Ford - Sandra Chapple (ep300)
- Tana Sarnt - Eddie Park (ep371)
- Tandy Cronyn - Nancy Moore (ep107), Mrs. Eastman (ep295)
- Tanganyika - Evelyn (ep85)
- Tanny McDonald - Appellate Judge Fraser (ep74)
- Tanya Berezin - Trial Judge Janine Pate (ep324)
- Tanya Fischer - Vera Laslen (ep433)
- Tanya Perez - Maria Soriano (ep401)
- Tara Greenway - Mandy Lovell (ep437)
- Tara Hauptman - Paula Dean (ep132)
- Tara Radcliffe - Moni (ep341)
- Tara Sarnt - Asst. M.E. Wong (ep402)
- Tara V. Perry - Reporter #1 (ep381)
- Tara White - Denise Meacham (ep309)
- Tari Signor - Dr. Erica Rubin (ep389)
- Tarik Lowe - Tariq (ep235)
- Taro Alexander - Paul Delacourte (ep163)
- Tasha Lawrence - Pat Morrill (ep39), Sally Napoli (ep116)
- Tavia Rivee Jefferson - Amalia (ep235)
- Taye Diggs - Sky Bell (ep137)
- Taylor Gildersleeve - Lauren Claiborne (ep417)
- Taylor John Borodavka - Vinnie (ep456)
- Taylor Korsak - Jenna Howard (ep377)
- Taylor Miller - John (ep414)
- Taylor Patterson - Mila Hitchens (ep307), Paula (ep377)
- Ted Arcidi - Landlord (ep184)
- Ted Blumberg - Bobby Feinberg (ep69), Mr. Wilson (ep274)
- Ted Kazanoff - Trial Judge Daniel Scarletti
- Ted Koch - Coach (ep336), Security Officer Willis (ep358), Victor Madison (ep411), Paul (ep456)
- Ted Marcoux - Brian (ep10)
- Ted Neustadt - Fisher (ep27), Herbert Baxter (ep79), PBA Attorney Quinn (ep183), Nate (ep336)
- Ted Sod - Bijan (ep324)
- Ted Sorel - Doctor (ep19), Burton Charles (ep56)
- Ted Zurkowski - Mick Watkins (ep226)
- Teddy Alvaro - Leo Clayton (ep215)
- Teddy Cañez - Det. Davis (ep378), Latino Leader (ep401)
- Teddy Coluca - Leacock (ep152), Frank (ep268), Kostas Theodoulos (ep304)
- Tegan West - Field Reporter (ep150)
- Tenisha Torres - Waitress (ep368)
- Terence Archie - Officer Cass (ep369), Clerk (ep412), Jerome Turner (ep454)
- Terence Burk - Edwin Marx (ep102)
- Teresa Hill - Gwen (ep296)
- Teresa Yenque - Theresa Aguilar (ep92), Angela Cruz (ep182), Elizabeth Pinero (ep283), Maria Morales (ep429)
- Teri Mazzarella - Foreperson (ep260)
- Terianne Falcone - Mrs. Miller (ep251)
- Terrance Burk - Don McLean (ep416)
- Terrance Telfair - Dizz Williams (ep17)
- Terrence Bae - Ben (ep355)
- Terrence Laron Burke - Dunne (ep301)
- Terrence Michael McCrossan - Bobby (ep271)
- Terrence Riggins - Allen (ep425)
- Terry Alexander - Harry Gales (ep205)
- Terry Burke - Murray Gunderczak (ep325)
- Terry Burstein - Medical Examiner (ep7)
- Terry Donahoe - Sharon Esserman (ep98)
- Terry Layman - Dr. George Fishman (ep90), John Grouse (ep205), Dr. Howard Alston (ep298), Miller (ep366)
- Terry Schappert - Terry Hart (ep436)
- Tess O'Brien - Grace Killeen (ep166)
- Tess Paras - Reporter (ep441), Leslie Snow (ep452)
- Tessa Keimes - Maggie Hayes (ep442)
- Tessell Williams - Hotel Clerk (ep26), Neighbor (ep85)
- Thaddeus Schneider - Uniform Officer (ep336)
- Theodora Castellanos - Maid (ep32)
- Theresa Della Valle - Andrea (ep58)
- Theresa McCarthy - Amy (ep196), Carla Johnson (ep437)
- Theresa Spruill - Woman (ep371), Jury Foreman (ep417)
- Thom Curley - Union Doorman (ep44)
- Thom Rivera - Paolo Clemente (ep334)
- Thomas A. Carlin - Sergeant Duff (ep13)
- Thomas Allen - CSU Detective Cook (ep136), Assistant M.E. James Herrick (ep238)
- Thomas Anderson - Emile Lucy (ep7)
- Thomas Bolster - Will Lauren (ep173)
- Thomas Clifford Kramer - Court Clerk (ep137)
- Thomas Connolly - Priestly (ep122)
- Thomas Delehanty - White Cop (ep46)
- Thomas G. Waites - Bill Spence (ep430)
- Thomas Hill - John Barham (ep56)
- Thomas Lyons - Squadroom Detective (ep231), Detective Byrne
- Thomas Nahrwold - Dr. Lang (ep103)
- Thomas O'Connor - Roger Thorne (ep229)
- Thomas Ryan - Trial Judge Robert Garfunkel (eps297, 353)
- Thomas Schall - Randall Jenkins (ep100), Dr. Craig Diamant (ep269), Ted Lester (ep309)
- Thu Do - Hon Trung (ep255)
- Thyais Walsh - Nurse (ep333)
- Tia Dionne Hodge - Marta Severin (ep281), Amy (ep351)
- Tibor Feldman - Jerry Silbo (ep60), Kendrick (ep91), Ted Kellogg (ep218), Ken Rosenberg (ep360), Baez (ep453)
- Tichina Arnold - Leona (ep11)
- Tico Wells - First Uniform Policeman (ep128)
- Tiffani Barbour - Third Juror (ep408)
- Tiffany Fraser - Susan Bayer (ep135)
- Tiger Haynes - Old Man (ep78)
- Tijuana Ricks - Carol Clay (ep346), Sergeant Royce
- Tim Ahern - Kenneth Stratton (ep192), Borough Commander Clarke (ep299)
- Tim Artz - Kelley (ep68)
- Tim Barker - Savitsky (ep350), Dwayne McCready (ep383), Asst. M.E. Palchuck (ep419)
- Tim David Russell - E.M.T. (ep450)
- Tim Donoghue - Milovitch (ep78), Mark Bryant (ep100), John Kreidal (ep194), Ron Wickham (ep339)
- Tim Ewing - Nelson Hammel (ep223), Attorney (ep353)
- Tim Gallin - Cabbie (ep43), Andy Corvo (ep300), Gideon Blake (ep310), ESU Marquez (ep369)
- Tim House - Don (ep316), Frank Embley (ep358)
- Tim Jennings - Auctioneer (ep347)
- Tim Jerome - Sam Laval (ep334)
- Tim Kirkpatrick - Policeman #1 (ep104), Court Clerk (ep131), Eric Cusack (ep223), Benton (ep316)
- Tim Miller - Bob (ep279), Court Clerk, Charlie the Clerk (ep314), Court Officer (ep343)
- Tim Salamandyk - Jury Foreperson (ep241)
- Tim Williams - Steve Dupree (ep210)
- Timothée Chalamet - Eric Foley (ep421)
- Timothi-Jane Graham - Ria (ep132), Trainer (ep146)
- Timothy Britten Parker - Cioran (ep12), Meade (ep24), Borak (eps33, 287), Forensic Technician Hoeck (eps121, 253), Forensics Expert (ep314)
- Timothy Cavanaugh - Night Clerk (ep150)
- Timothy Devlin - Doug Purcell (ep218), Mitch Randolph (ep353)
- Timothy Doyle - David Richards (ep298)
- Timothy Kirkpatrick - Greg Kubie (ep162)
- Timothy McCracken - Bridgehampton Cop (ep363), Vice Principal Adams (ep429)
- Timothy Roselle - Gus (ep338)
- Timothy Smallwood - Robert Barrows (ep353)
- Timothy Wheeler - Al Johnson (ep178)
- Tina Smith - Ms. Jacobs (ep40)
- Tino Juarez - Sanchez (ep65)
- Tobias Segal - Kyle Risko (ep376)
- Toby Poser - Uni Fox (ep117)
- Todd A. Horman - Uni #2 (ep356)
- Todd Cerveris - Rodney Most (ep167), Russell Wolenski (ep218), Rusty Brown (ep307), Barrington (ep359)
- Todd Davis - Scavenger (ep112), Detective Henry (ep147), Imam (ep235), Louis Williams (ep266), Clifton (ep341)
- Todd Faulkner - Arraignment Clerk (epp375), Foreperson (ep435)
- Todd Louiso - Levine (ep30)
- Todd Stashwick - Roger Appel (ep171)
- Todd Susman - Judge William Chase (ep412)
- Todd Wall - CSU Shea (ep329), Shock Jock (ep405)
- Todd Wilkerson - Rick Barnes (ep396)
- Toks Olagundoye - Janette Gardner (ep325), Claire (ep445)
- Tolan Aman - Joaquin Hitchens (ep307), Luke Friendly (ep414), Will Grogan (ep438)
- Tom Alan Robbins - ADA Thomas Hume (ep300), Phil Reight (ep421)
- Tom Aulino - Hospital Administrator (ep319)
- Tom Bellin - Dave Sheehan (ep146), Joe Wells (ep206)
- Tom Bloom - David Lempert (ep98), Doorman (ep145), Detective Boris Tasche (ep191), Aaron James (ep218), Super (ep299), Charles Whitley (ep433)
- Tom Brangle - ESU Commander (ep235)
- Tom Brennan - Father Frawley (ep77), Mr. Art Ganz (ep146)
- Tom Bruno - ESU Officer (ep235), Chief Daniels (ep348), FDNY Chief (ep430)
- Tom Cappadona - Eddie Maybrook (ep93), Victor Driscoll (ep135), Danny Maxwell (ep172), Waiter (ep291), Super (ep359)
- Tom Carroll - Gary Welsh (ep159)
- Tom Caruso - First Uniform Policeman Jackson (ep122)
- Tom Day - Public Officer Waters (ep284), Detective #1 (ep338)
- Tom Degnan - Nick Spence (ep430)
- Tom Demenkoff - Mark Whitten (ep127), Brady (ep166), McVitty (ep270)
- Tom Dennis - Bailiff (ep100)
- Tom Fitzsimmons - Phil Amurski (ep223)
- Tom Flynn - Frank Miller (ep122)
- Tom Gottlieb - Clerk (ep379)
- Tom Greer - Sgt. Simmons (ep395)
- Tom Grunke - Guard (ep87), Worker (ep112)
- Tom Hammond - Thom Kendall (ep382)
- Tom Hewitt - Mr. Lucero (ep270)
- Tom Kane - Garage Clerk (ep150)
- Tom Kemp - Heller (ep29), Sergeant Frank Shepard (ep191)
- Tom Kiesche - Court Clerk (ep162)
- Tom Kubiak - Dr. Rasmussen (ep1)
- Tom Lacy - Whit Ferguson (ep71), Judge Mark Calhoun (eps345, 354)
- Tom Ligon - Scott Hampton (ep110), Gillespie (ep190), Malcolm Sanford (ep218), Phil Brucker (ep292)
- Tom Lipinski - Derek Fanning (ep445)
- Tom Lock - Chip Morgan (ep203)
- Tom Matsusaka - Hiroji Ito (ep323)
- Tom Nash - Second Reporter (ep87)
- Tom Paliferro - Joe Nicholas (ep27)
- Tom Pearl - Assistant M.E. Donald Quinn (ep246), CSU Technician Leonetti (ep274)
- Tom Serbak - Uniform Policeman (ep230)
- Tom Shillue - Danny Zabel (ep91)
- Tom Titone - Douglas (ep282), Jonathan Bates (ep363), Frank Stavro (ep455)
- Tom Wade - Keith (ep83)
- Tom Zemon - Darren (ep286), Bill Walker (ep373)
- Tommar Wilson - Elliot Harte (ep441)
- Tommy A. Ford - Harry Pincher (ep3)
- Tommy Hollis - Dean Isaac Wadleigh (ep236)
- Tommy Michaels - Albert (ep211)
- Tommy Nohilly - Bartender (ep256), James Delancey (ep305)
- Tommy Schrider - Wendell Phelps (ep436)
- Toni DiBuono - Alice Cantwell (ep44), Mrs. Morrell (ep150), Jerrilyn Essex (ep242), Rita Antinori (ep315), Female Store Clerk (ep417)
- Toni James - Court Clerk (ep88), Jury Forewoman (eps116, 142), Trial Judge Joan Veysey (eps184, 257), Clerk #1 (ep335)
- Tonia Lynn - Rollerblader (ep171)
- Tony Cucci - Avery (ep45), Herb Glennon (ep242), Steve Aldrige (ep375)
- Tony Cummings - Brian Hollingsworth (ep64)
- Tony Devon - Melendez (ep72), Uniform Policeman (ep173), Jury Member #1 (ep367)
- Tony DiBenedetto - Bud Murphy (ep176)
- Tony Freeman - Irwin Henshall (ep263), Andrew (ep315)
- Tony Gilbert - Tim Fulton (ep227)
- Tony Gillan - Forensic Tech Trefil (ep205)
- Tony Hoty - NYB Regular (ep162), Court Officer Sergeant (ep252), Doorman (ep276)
- Tony Jones - Jacobsen (ep148)
- Tony Lip - Doc (ep53), Eddie Murrows (ep121)
- Tony Michael Donnelly - John (ep294)
- Tony Misiano - Jose (ep202)
- Tony Orbach - First Reporter (ep87)
- Tony Patellis - Ulasewitz (ep49)
- Tony Ray Rossi - Lewis (ep226)
- Tony Travis - Superintendent (ep277)
- Tony Ward - Dr. Nathan Devries (ep364)
- Tonye Patano - Feldman (ep312)
- Torben Brooks - Worker #1 (ep265), Trooper (ep342)
- Torquil Campbell - Justin Fletcher (ep226)
- Torsten N. Hillhouse - Rawlings (ep375), Mark (ep398)
- Traber Burns - Outraged Father (ep206)
- Tracey Leigh - Reporter (ep222)
- Traci Hovel - Reporter #3 (ep381)
- Tracie Jade - Tracy Ettinger (ep120), Ayisha (ep200)
- Tracie Thoms - Linda Ziman (ep337)
- Tracy Dillon - Jennifer (ep169)
- Tracy Friedman - Mike (ep412)
- Tracy Grant - Sandra (ep269)
- Tracy Griswold - Greg Adamson (ep68), Rhodes (ep218), Bank Officer (ep258)
- Tracy Howe - Mitchell (ep210), Sergeant (ep255)
- Tracy Lee Bell - Liza (ep92)
- Tracy Sallows - Carol Garner (ep169), Erica Davies (ep186), Rosalie Carmody (ep290), Ellen Chase (ep405), Francis Benning (ep438)
- Tracy Shayne - Martha Thompson (ep276)
- Travis York - CSU Tech Cates (ep393)
- Trent Armand Kendall - Chuck (ep316)
- Tresha Rodriguez - Reporter #1 (ep119)
- Trevin Lica - Glen (ep373)
- Trevor Richardson - Bailiff (ep323)
- Triney Sandoval - Geraldo Concepcion (ep280), Assistant ME Carlos Fernandez
- Trish McCall - Nancy Shapiro (ep314), Tanya Carter (ep382)
- Trisha Gorman - May (ep148)
- Trisha LaFache - Jennie Lafferty (ep299)
- Troy Ruptash - Steve Feinstein (ep4)
- Troy Winbush - Leon Jarvis (ep40)
- Truck Hudson - Pierre Hobbs (ep443)
- Tse-Mach Washington - Stefan Van Buren (ep94)
- Tuesday Knight - Candy (ep118)
- Tuffy Questell - Chuck (ep414)
- Ty Copeman - Lawyer (ep336)
- Ty Jones - Tyrone Williams (ep295), Quinn (ep345), Alvin "Mad Dog" Jackson (ep442)
- Tyagi Schwartz - Officer Bering (ep200)
- Tyler Andrews - Eddie (ep215)
- Tyler Francavilla - Scott Fine (ep363)
- Tyler Richards - Josh (ep391)
- Tyrees Allen - Deputy Stanley (ep299)
- Tyrone Mitchell Henderson - Tim Yeats (ep290), Pastor Stevens (ep384), Judge Wallace Clark (ep420)
- Uliks Fehmiu - Ratko Petrovich (ep369)
- Ümit Celebi - Gary Morris (ep198)
- Urban Ullman - Traffic Court Officer (ep316)
- Valentina DeAngelis - Rebecca Rossi (ep358)
- Valerie Kingston - Anita Swenson (ep10)
- Valerie Leonard - Eileen Wimberly (ep186)
- Vaneik Echeverria - Manager (ep318)
- Vanessa Aspillaga - Irene/Librarian (ep137), Mrs. Ramos (ep258), Detective Carla Sanchez (ep398)
- Vanessa Campbell - Jury Foreperson (ep239)
- Vanessa Liguori - Vanessa (ep219), Julie (ep302)
- Vanessa Marshall - Veronica (ep91)
- Vanessa Williams - Vera (ep5)
- Vedant Gokhale - Kyle (ep432)
- Venida Evans - Jury Forewoman (ep36), Foreperson (ep355)
- Verna Hampton - Mrs. Evans (ep11)
- Vernice Miller - Anne (ep270)
- Veronica Blackwell - Court Clerk (ep115), Clerk (ep173), Counter #1 (ep253), Foreperson (ep299)
- Veronica Cruz - Carol (ep279)
- Vic Noto - Parking Attendant (ep74)
- Victor Bevine - Consul (ep425)
- Victor Cruz - Gilberto (ep330), Parks Dept. Supervisor (ep401), Nelson Quintana (ep441)
- Victor Hawks - Vladimir Rezanov (ep422)
- Victor Jory - Joe (ep306)
- Victor L. Williams - Uniform Policeman Wilson (ep144)
- Victor La Mantia - Park Employee (ep419)
- Victor Pagan - Max (ep410)
- Víctor Sierra - Alejandro Lopez (ep49), Sanchez (ep110), Fernando Salva (ep135), Leo Zamora (ep205), Jose Medina (ep235)
- Victor Truro - Judge Douglas Spivack, Justice #2 (ep245)
- Victor Verhaeghe - Eric Belfour (ep173), Gary Howard (ep213), Bobby Caldwell (ep275), Tommy Ferro (ep327)
- Victoria Beltran - Trophy Wife (ep456)
- Victoria Christian - Laurel McGinty (ep16)
- Viktoria Demtchenko - Miss Nbela (ep136)
- Victoria Goldsmith - Jenny James (ep371)
- Victoria Haas - Jeanne Hobbs (ep317)
- Victoria Stern - Jane Crelinsten (ep128)
- Victoria Wellman - Geraldine Sarfield (ep431)
- Vince Cupone - Yankee Fan (ep349)
- Vince O'Brien - Arraignment Judge Phillip Franks
- Vince Pacimeo - James Ameche (ep78), Savino (ep109), Vendor (ep132), Detective Martino (ep146), Judge Douglas Venturelli
- Vince Viverito - Gus (ep24), Frank Rossi (ep82), Mannie Lane (ep128)
- Vinny Capone - Larry (ep25)
- Vincent A. Curatola - Court Clerk (ep25)
- Vincent Angell - CSU Tech #2 (ep81)
- Vincent Gerrard - Desk Clerk (ep322), Steve Franklin (ep385)
- Vincent Lorusso - Shooting Cop (ep216)
- Vinny Vella Sr. - Jilts (ep321)
- Viola Harris - Irene Wright (ep220), Elderly Woman (ep360)
- Virginia Wing - Jury Forewoman (ep52), Dr. Watanabe (ep91)
- W. Benson Terry - Insley (ep29)
- W.T. Martin - Dr. Lignell (ep1), Judge Fred Naughton (ep124)
- Wade Mylius - Jimmy Coleman (ep253), Brett (ep417)
- Wai Ching Ho - Mrs. Rhee (ep51), Owner (ep213), Mrs. Ngai (ep241)
- Walita - Reporter #2 (ep333)
- Wallace Little - Parking Attendant (ep418)
- Wally Dunn - Asst. M.E. Jonas (ep81), Edward Odlum (ep115), Lee Frick (ep172), Vincent Hall (ep246), Saul Mishner (ep281), Ron Kozlowski (ep456)
- Walt MacPherson - Shelby (ep162), Larry Stedler (ep216), Murphy (ep274), Douglas Ashby (ep319)
- Walter Charles - James McBride (ep195)
- Walter T. Meade - Harlans (ep46)
- Wanda Richert - Aimee (ep2)
- Ward Horton - Mike Gorman (ep385), Josh Barton (ep435)
- Warner Miller - Ken McShane (ep430)
- Wass M. Stevens - Police Officer Schmidt (ep300), Detective Philips (ep329)
- Wayne Alon Scott - Rob (ep296), Corrections Officer Bennie Williams (ep380)
- Wayne Kasserman - Assistant (ep297), Rick O'Dell (ep394)
- Wayne Maugans - Gary Pardee (ep10), Mortgage Counselor (ep221), Doug Whitman (ep403)
- Wayne Maxwell - Derelict #1 (ep184)
- Wayne Scherzer - Carl Walls (ep167)
- Wayne W. Pretlow - Rich Cannon (ep331)
- Welly Yang - Wesley Frost (ep299)
- Wendell B. Franklin - Uniform Sgt. (ep391), Uni Sergeant (ep416)
- Wendy Alane Wright - Julia Bennett (eps360-361)
- Wendy Barrie-Wilson - Dr. Evelyn Stark (ep48)
- Wendy Johnson - Dancer (ep334)
- Wendy Scharfman - Charlene Lincoln (ep199), Betty Meacham (ep309)
- Wendy Vanden Heuvel - Anita Sorenton (ep269)
- Wesley Rice - Andrew Dillard (ep123)
- Whit Vernon - Juror #14 (ep77)
- Wilbur Edwin Henry - Earl Lomtik (ep357)
- Wiley Moore - Officer Jones (ep131), Protestor #2 (ep353)
- Wiley Wisdom - Airport Policeman (ep194), Court Clerk (eps219, 223), Nick Claussen (ep256), Jury Foreperson (ep349), Richard Sands (ep368)
- Will Osborne - Michael (ep107), John Daly (ep140), Clarence McBride (ep268)
- Will Pailen - Officer Shepard (ep376)
- Will Triplett - Mike (ep389)
- William Andrews - Al McCrory (ep22), Frank MacCrae (ep62)
- William Bogert - Jules Simon (ep24), Reardon (ep67), Professor Arlen Howard (ep193), Alvin Hartmann (ep308)
- William Butler - Biggie (ep222)
- William C. Mitchell - Judge J. Connolly (ep222)
- William Cain - Paul O'Farrell (ep155)
- William Charles Mitchell - Judge J. Connolly (ep290), Coach Dyer (ep341)
- William Charlton - Officer Wheeler (ep37), O'Brien (ep59), Det. Landers (ep195)
- William Christian - Shawn Taitt (ep164), Detective Regan (ep245)
- William Connell - Foreperson (ep434)
- William Davenport - Foreperson (ep373)
- William Duell - Desk Clerk (ep194)
- William Friedle - Russ (ep37)
- William Green - Clerk (ep300), Darrell Kinney (ep347)
- William H. Burns - Nassau County Policeman (ep227), Sergeant (ep231), Beat Cop (ep255), Court Officer #1 (ep276), Uniform Officer (ep294), Sergeant #2 (ep299), Uniformed Cop (ep319), Sergeant O'Hara (ep335), Diner Uniform Cop (ep368)
- William Hill - Hopkins (eps33, 41), Milgrim (ep56), Hines (ep73), Eddie Page (ep143)
- William Howard Parry - Comm. Halibert (ep160)
- William J. Duffy - CSU Technician (ep37)
- William Jackson Harper - Officer Derek Waldron (ep447)
- William Jay Marshall - Trial Judge Hollis Burton (eps28, 47), Don Fredricks (ep229), Cordell Robinson (ep454)
- William McGuire - ESU Lieutenant (ep135)
- William Meisle - Dr. Matthewson (ep77)
- William Mesnick - Appellate Judge Leonard Rosenblum (ep26)
- William Oliver Watkins - Uniform Cop (ep365)
- William Parry - Mr. Stymons (ep191), Appellate Judge #1 (ep253)
- William Paul Michals - Fred Hansen (ep207)
- William Paulson - Sampson (ep129), Gary Gaviola (ep139), Samuel Holtz (ep182), Gary Gaviola (ep201), Raoul Welch (ep308)
- William Peden - Bruce (ep297), Assistant ME Nowicky (ep356), Assistant ME Nowicky (ep381)
- William Pitts - Jury Foreman (ep69), Phone Company Worker (ep158)
- William Prael - William O'Rourke (ep187), Paul Spinelli (ep432)
- William Riker - Karal (ep188)
- William Roerick - Dr. Robert Abraham (ep1)
- William Severs - Judge Henry Fillmore, Judge Freitag (ep25)
- William Westenberg - Robby Pollack (ep223)
- William Wise - Prison Guard (ep43), Frank Stevens (ep105), McCann (ep282)
- William Youmans - Byrne Chaikin (ep187), Larry Driscoll (ep394)
- Willis Burks II - Monty (ep130)
- Wilson Mendeta - Mr. Ramirez (ep417)
- Wolé Parks - Thomas Ryland (ep389), Sergeant Elias (ep443)
- Woodie King Jr. - Clayton (ep84)
- Wrenn Schmidt - Jill Cariglia (ep379)
- Wynter Kullman - Karen Coleman (ep329)
- Yaani King - Monique Thomas (ep268)
- Yancey Arias - Paul Sanchez (ep175)
- Yancy Butler - Beverly Kern (ep28)
- Yaniv Eyny - Joe Darwish (ep436)
- Yelba Osorio - Rosan (ep113)
- Yevgeniy Dekhtyar - Ivan Kalinov (ep334)
- Ylfa Edelstein - Gwen Berman (ep300), Dr. Sheryl Burnett (ep380)
- Yo Han Lim - Richard Kim (ep76)
- Yolonda Ross - P.O. Liz Canto (ep450)
- Yolande Bavan - Maid (ep188)
- Yusef Bulos - Frank Rosebrock (ep97), Van Dam (ep229)
- Yves Michel-Beneche - Jack (ep317)
- Yvette Edelhart - Sadie (ep7)
- Yvette Hawkins - Judge Meg Sanderson (eps79, 102)
- Yvette Mercedes - School Nurse Sykes (ep336)
- Yvette Thor - Bonnie (ep67)
- Yvonne Jung - Melissa Donner (ep322)
- Yvonne Warden - Jury Forewoman (ep78), Mrs. Watkins (ep217)
- Z. Wright - 1st Kid (ep170)
- Zabryna Guevara - Lucita (ep161), Salma (ep292)
- Zach Fischer - Steven Schuman (ep384)
- Zach Roerig - Rollerblade Messenger (ep334)
- Zach Shaffer - Mike (ep266)
- Zach Wegner - Hipster Dude (ep439)
- Zachary Kady - Billy Webber (ep141)
- Zachary Knower - Chayim (ep360)
- Zack Robidas - Officer Simone (ep378)
- Zaniz Jakubowski - Susan Weiss (ep172)
- Zeb Newman - Ezra Lowenstein Grady (ep336)
- Zelda Harris - Janel Decker (ep86)
- Zena Grey - Lena Marchetti (ep308)
- Zina Jasper - Judge June Appel (ep28)
- Zoë Saldana - Belinca (ep205)
- Zoë Winters - Suzanne (ep437)
- Zoey Martinson - Officer Rebecca Ramos (ep450)
- Zuleyma Guevara - Angela (ep408)