
| Richard Belzer | ... | Det. John Munch / ... (122 episodes, 1993-1999) |
 | Clark Johnson | ... | Det. Meldrick Lewis (122 episodes, 1993-1999) |
 | Yaphet Kotto | ... | Lt. Al Giardello (122 episodes, 1993-1999) |
 | Kyle Secor | ... | Det. Tim Bayliss (122 episodes, 1993-1999) |

| Andre Braugher | ... | Det. Frank Pembleton (100 episodes, 1993-1998) |

| Michael Ahl | ... | Officer Phatt / ... (88 episodes, 1994-1998) |

| Melissa Leo | ... | Det. Sgt. Kay Howard / ... (77 episodes, 1993-1997) |

| Reed Diamond | ... | Det. Mike Kellerman / ... (69 episodes, 1995-1998) |
 | Sharon Ziman | ... | Naomi (49 episodes, 1993-1999) |
 | Peter Gerety | ... | Det. Stuart Gharty / ... (47 episodes, 1996-1999) |

| Jon Seda | ... | Det. Paul Falsone (46 episodes, 1997-1999) |

| Toni Lewis | ... | Det. Terri Stivers / ... (46 episodes, 1996-1999) |

| Callie Thorne | ... | Det. Laura Ballard (44 episodes, 1997-1999) |

| Isabella Hofmann | ... | Capt. Megan Russert / ... (41 episodes, 1994-1997) |

| Clayton LeBouef | ... | Col. George Barnfather / ... (38 episodes, 1993-1999) |

| Max Perlich | ... | J.H. Brodie (37 episodes, 1995-1997) |
 | Zeljko Ivanek | ... | ASA Ed Danvers (37 episodes, 1993-1999) |

| Ned Beatty | ... | Det. Stanley 'The Big Man' Bolander (33 episodes, 1993-1995) |

| Daniel Baldwin | ... | Det. Beau Felton (33 episodes, 1993-1995) |

| Michelle Forbes | ... | Dr. Julianna Cox (32 episodes, 1996-1998) |
 | Ralph Tabakin | ... | M.E. Dr. Scheiner / ... (31 episodes, 1993-1999) |
 | Judy Thornton | ... | Judy (29 episodes, 1994-1999) |
 | Giancarlo Esposito | ... | Agent Mike Giardello (22 episodes, 1998-1999) |

| Michael Michele | ... | Det. Rene Sheppard (22 episodes, 1998-1999) |
 | Harlee McBride | ... | M.E. Alyssa Dyer / ... (22 episodes, 1994-1999) |
 | Walt MacPherson | ... | Capt. Roger Gaffney / ... (21 episodes, 1993-1998) |
 | Ami Brabson | ... | Mary Pembleton / ... (19 episodes, 1993-1998) |
 | Kristin Rohde | ... | Sgt. Sally Rogers / ... (17 episodes, 1994-1998) |

| Jay Spadaro | ... | Officer Salerno (16 episodes, 1993-1999) |
 | Herb Levinson | ... | M.E. Dr. Lausanne / ... (15 episodes, 1994-1999) |
 | Ellen McElduff | ... | Billie Lou Hatfield (15 episodes, 1997-1999) |
 | Rhonda Overby | ... | Reporter Dawn Daniels (14 episodes, 1995-1999) |

| Jon Polito | ... | Det. Steve Crosetti (13 episodes, 1993-1994) |
 | Gary D'Addario | ... | Lt. Jasper (13 episodes, 1995-1999) |

| Gerald F. Gough | ... | Col. Burt Granger (12 episodes, 1993-1995) |
 | Granville Adams | ... | Officer Jeff Westby (11 episodes, 1996-1999) |

| Austin Pendleton | ... | Dr. George Griscom (11 episodes, 1998-1999) |

| Michael Willis | ... | Darin Russom (9 episodes, 1993-1999) |
 | Richard Pilcher | ... | Sgt. Mark Deutch (9 episodes, 1994-1999) |
 | Sean Whitesell | ... | Dr. Eli Devilbiss (8 episodes, 1993-1999) |

| Julie Lauren | ... | Off. Anne Schanne (8 episodes, 1993-1997) |
 | Beau James | ... | Det. Willard Higby (8 episodes, 1994-1999) |

| Lee Tergesen | ... | Officer Chris Thormann / ... (7 episodes, 1993-1997) |
 | Helen Carey | ... | A.S.A. Maggie Conroy / ... (7 episodes, 1995-1997) |
 | Robert Carlson | ... | Off. Byron Denys / ... (7 episodes, 1996-1999) |
 | John Orofino | ... | Officer Hoskins / ... (7 episodes, 1998-1999) |
 | Erik Dellums | ... | Luther Mahoney (6 episodes, 1996-1998) |
 | Wendy Hughes | ... | Dr. Carol Blythe, M.E. (5 episodes, 1993) |

| Edie Falco | ... | Eva Thormann (5 episodes, 1993-1997) |
 | Sagan Lewis | ... | Judge Susan Aandahl (5 episodes, 1995-1999) |
 | Mel Proctor | ... | Grant Besser / ... (5 episodes, 1993-1995) |

| William Cote | ... | Off. Frank Keane (5 episodes, 1997-1999) |
 | Pat Dade | ... | Monica Murphy (5 episodes, 1995-1997) |
 | Peggy Yates | ... | Reporter Maria Delgado (5 episodes, 1995-1996) |
 | Rebecca Boyd | ... | ASA Gail Ingram / ... (5 episodes, 1996-1999) |
 | Dave Trovato | ... | Officer Mike Graul (5 episodes, 1997-1999) |
 | John Bobby | ... | 1930's Farmer / ... (5 episodes, 1998-1999) |
 | Sarita Choudhury | ... | Dr. Kalyani (5 episodes, 1998-1999) |

| Eric Alan Wendell | ... | Medical Examiner Technician (5 episodes, 1998-1999) |

| Monica Trombetta | ... | Janine Falsone / ... (5 episodes, 1998) |
 | Mary B. Ward | ... | Beth Felton (4 episodes, 1994-1995) |
 | Pamela Payton-Wright | ... | Sister Magdalena Weber (4 episodes, 1994-1997) |

| Jeff Mandon | ... | Off. Fred Hellriegel / ... (4 episodes, 1993-1999) |
 | Laurie Kennedy | ... | City Attorney Felicity Weaver / ... (4 episodes, 1994-1998) |

| Bob Lau | ... | Process Server (4 episodes, 1996-1998) |
 | Stephen Angus | ... | Alex Carew / ... (4 episodes, 1996-1997) |

| Cleo Reginald Pizana | ... | Det. Bob Connelly (4 episodes, 1996-1997) |

| Hazelle Goodman | ... | Georgia Rae Mahoney (4 episodes, 1997-1998) |

| Doug Roberts | ... | Donald Tochterhagen (4 episodes, 1998) |
 | Tony Todd | ... | Matt Rhodes (3 episodes, 1994) |

| Benjamin Bratt | ... | Detective Rey Curtis (3 episodes, 1996-1999) |

| Jerry Orbach | ... | Det. Leonard 'Lennie' Briscoe (3 episodes, 1996-1999) |

| Karen Williams | ... | Barbara Lewis / ... (3 episodes, 1996-1997) |
 | Nick Olcott | ... | Father Klaske / ... (3 episodes, 1993-1998) |

| Larry Hull | ... | Charles Flavin (3 episodes, 1993-1997) |
 | Michael Currie | ... | Wesley Howard (3 episodes, 1994-1995) |

| Chuck Jeffreys | ... | Calvin Jones / ... (3 episodes, 1995-1999) |
 | Carolyn Rawleigh | ... | Bystander - Crime Scene / ... (3 episodes, 1995-1998) |
 | Al Freeman Jr. | ... | Deputy Commissioner James Harris (3 episodes, 1995-1996) |
 | Scott Morgan | ... | Ballistics Off. Westmoreland / ... (3 episodes, 1995-1996) |

| Dean Winters | ... | Tom Marans (3 episodes, 1995-1996) |

| Dana Ivey | ... | Margie Bolander (3 episodes, 1995) |

| Tony Lo Bianco | ... | Det. Mitch Drummond / ... (3 episodes, 1995) |

| Gloria Reuben | ... | Det. Theresa Walker (3 episodes, 1995) |
 | Bruce Elliott | ... | Cyrus Sink / ... (3 episodes, 1996-1998) |

| Mekhi Phifer | ... | Nathaniel Lee 'Junior Bunk' Mahoney (3 episodes, 1996-1998) |
 | Alex Webb | ... | Glenn Nellis (3 episodes, 1996-1998) |
 | Jeffrey C. Westby | ... | Officer Schenker (3 episodes, 1996-1998) |
 | Ellen Bethea | ... | Thea Wilson (3 episodes, 1997) |
 | Robert Bornarth | ... | George Bayliss (3 episodes, 1997) |

| James Earl Jones | ... | Felix Wilson (3 episodes, 1997) |
 | Lynne Thigpen | ... | Regina Wilson (3 episodes, 1997) |

| Jeffrey Wright | ... | Hal Wilson (3 episodes, 1997) |

| Victor Bevine | ... | Officer Sanders (3 episodes, 1998) |

| Joe Gerety | ... | FBI Agent Sampers (3 episodes, 1998) |
 | Rick Warner | ... | Judge Gerald Gibbons (3 episodes, 1998) |
 | Joe Morton | ... | Sam Thorne (2 episodes, 1994) |

| Julianna Margulies | ... | Linda (2 episodes, 1994) |
 | Steven Marcus | ... | Det. Russ DeSilva (2 episodes, 1993) |

| Lauren Tom | ... | Emma Zoole (2 episodes, 1994) |

| Michael Stanton Kennedy | ... | Sgt. Jimmy Tyron (2 episodes, 1994) |

| Sam Waterston | ... | Executive A.D.A. Jack McCoy (2 episodes, 1997-1999) |
 | Stephen Xavier Lee | ... | Ben Roh (2 episodes, 1997) |
 | Mary Jefferson | ... | Calpurnia Church (2 episodes, 1993) |

| Joey Perillo | ... | Bernard Munch (2 episodes, 1994-1997) |
 | Taunya L. Martin | ... | Inez Price / ... (2 episodes, 1997-1999) |

| Jade Wu | ... | Sun Rae Roh (2 episodes, 1997) |

| Keith Johnson | ... | Uniform Officer #1 / ... (2 episodes, 1993-1994) |

| Shawn D. Woodyard | ... | IRS Auditor Lon Whitecastle / ... (2 episodes, 1994-1998) |

| Bobby DeAngelo | ... | Bob Reardon (2 episodes, 1994-1995) |
 | Gwendolyn Briley-Strand | ... | Mrs. Watson (2 episodes, 1993-1996) |
 | Paul Morella | ... | Andy 'Moranis' / ... (2 episodes, 1994-1998) |
 | Alan J. Wendl | ... | Desk Man / ... (2 episodes, 1993-1997) |

| John Waters | ... | Bartender / ... (2 episodes, 1993-1995) |
 | Geoffrey Ewing | ... | 'Pony' Johnson (2 episodes, 1993) |

| Angel M. Wainwright | ... | Shy K. / ... (2 episodes, 1994-1999) |
 | John C. Hansen | ... | Josh Howard (2 episodes, 1994-1995) |
 | Carlos Juan Gonzalez | ... | Max Silva / ... (2 episodes, 1995-1998) |
 | Ava Lenet | ... | Elenor Alden / ... (2 episodes, 1995-1998) |
 | Kevin Murray | ... | Frederick Mapes / ... (2 episodes, 1995-1998) |
 | Gary Wheeler | ... | Doctor / ... (2 episodes, 1995-1998) |
 | Pat McNamara | ... | Mike Kellerman Sr. / ... (2 episodes, 1995-1997) |
 | John Epps | ... | Trevor Douglas (2 episodes, 1995-1996) |

| Lyle Kanouse | ... | Bret Blakely / ... (2 episodes, 1995-1996) |

| Tim McAdams | ... | James Douglas (2 episodes, 1995-1996) |
 | Dell Grooms | ... | Caller (2 episodes, 1995) |

| Frank John Hughes | ... | Zithead Mazursky (2 episodes, 1995) |
 | James Potter | ... | Carrolton / ... (2 episodes, 1995) |

| Stephanie Romanov | ... | Anne Kennedy (2 episodes, 1995) |
 | Irv Ziff | ... | Mr. Lebkowitz (2 episodes, 1995) |
 | Jaki-Terry | ... | Marletta Manley / ... (2 episodes, 1996-1999) |

| Dan Delafield | ... | Graves / ... (2 episodes, 1996-1998) |
 | Kevin Grantz | ... | Paul Lupkis / ... (2 episodes, 1996-1998) |
 | E. Dawn Samuel | ... | Alberta Wells / ... (2 episodes, 1996-1998) |
 | Barry Bradford | ... | Dealer / ... (2 episodes, 1996-1997) |
 | Brian Costantini | ... | Det. Mike Pires / ... (2 episodes, 1996-1997) |
 | Regi Davis | ... | Malawi Joseph / ... (2 episodes, 1996-1997) |
 | Lance Lewman | ... | Castleman / ... (2 episodes, 1996-1997) |
 | Neal Moran | ... | Det. Goodman (2 episodes, 1996-1997) |

| Bruce Campbell | ... | Jake Rodzinsky (2 episodes, 1996) |
 | Jen Carden | ... | Sniper's Daughter (2 episodes, 1996) |

| David Eigenberg | ... | Alex Robey (2 episodes, 1996) |
 | Wendell Jordan | ... | Kenny Damon (2 episodes, 1996) |

| Aaron Michael Lacey | ... | Holding Cell Detainee (2 episodes, 1996) |

| Jay Leno | ... | Himself (2 episodes, 1996) |

| Carolyn McCormick | ... | Linda Mariner (2 episodes, 1996) |
 | Anne Meara | ... | Donna DiGrazi (2 episodes, 1996) |
 | Donald Neal | ... | Augie Distel (2 episodes, 1996) |
 | Mark Rogers | ... | Claude Vetter (2 episodes, 1996) |
 | Charley Scalies | ... | Sgt. Sal Burns (2 episodes, 1996) |
 | Martha Thimmesch | ... | Carole Rodzinski (2 episodes, 1996) |
 | Monroe Thomas | ... | Michelle Berti / ... (2 episodes, 1996) |
 | John Haynes Walker | ... | Pez McCadden (2 episodes, 1996) |
 | Aaron Hern | ... | Aaron Moss (2 episodes, 1997-1999) |
 | Susan Allenback | ... | Dr. Lindsay Porter / ... (2 episodes, 1997-1998) |

| Dale Guy Madison | ... | Male Nurse / ... (2 episodes, 1997-1998) |
 | Susan Rollman | ... | Nurse / ... (2 episodes, 1997-1998) |
 | Robert F. Chew | ... | Wilkie Collins (2 episodes, 1997) |
 | Freddie Ganno | ... | Andy Stoyanic (2 episodes, 1997) |
 | Billie Jackson | ... | Det. McClendon / ... (2 episodes, 1997) |

| Scott William Winters | ... | Eddie Dugan (2 episodes, 1997) |
 | Nat Benchley | ... | Bartender (2 episodes, 1998-1999) |

| Michael Marisi Ornstein | ... | Det. Tony Bonaventura / ... (2 episodes, 1998-1999) |

| Kirk Alexander | ... | Stink (2 episodes, 1998) |

| Victor Anthony | ... | Pedro Velez (2 episodes, 1998) |

| Kris Arnold | ... | Bounty Hunter, P.J. Johnson (2 episodes, 1998) |
 | Marilyn Bennett | ... | Ceily Errico (2 episodes, 1998) |
 | Melvin L. Cauthen | ... | Commuter (2 episodes, 1998) |
 | Gregory Cooke | ... | FBI Agent Bauer (2 episodes, 1998) |
 | Chris Gunn | ... | Craig Halpern (2 episodes, 1998) |

| Conrad Karlson | ... | Charles Bassett (2 episodes, 1998) |
 | Kathryn Kelley | ... | Donna McCord (2 episodes, 1998) |

| Jena Malone | ... | Debbie Straub (2 episodes, 1998) |

| Christopher Meloni | ... | Bounty Hunter Dennis Knoll (2 episodes, 1998) |

| Paul L. Nolan | ... | Donald Wayland (2 episodes, 1998) |
 | Vic Noto | ... | Jerry Lichte (2 episodes, 1998) |
 | Jonathan Orcutt | ... | Stephen Zaymore (2 episodes, 1998) |

| Michael Peña | ... | Luis Carrenza (2 episodes, 1998) |
 | Kerri Rambow | ... | Vanessa Warren (2 episodes, 1998) |
 | Rico Rosetti | ... | Joe Errico / ... (2 episodes, 1998) |
 | Kimberly Schraf | ... | Charlotte Halpern (2 episodes, 1998) |
 | Lynn Schrichte | ... | Judge Andrea Andrews (2 episodes, 1998) |

| Mary Agnes Shearon | ... | Flora Gharty (2 episodes, 1998) |
 | Leslie Silva | ... | Sister Dyanne Attwood (2 episodes, 1998) |

| Avery Waddell | ... | Rock Rock (2 episodes, 1998) |
 | Benjamin Busch | ... | Luke Ryland (2 episodes, 1999) |
|
| Robin Cousart | .... | production accountant / production controller / ... (109 episodes, 1994-1999) |
| Lee Davis | .... | script supervisor (108 episodes, 1994-1999) |
| Stephanie Fontana | .... | assistant to producer / production assistant / ... (103 episodes, 1994-1999) |
| Adam Laws | .... | assistant location manager / location manager (91 episodes, 1995-1999) |
| Gary D'Addario | .... | technical advisor (87 episodes, 1995-1999) |
| Cathleen Clarke | .... | production coordinator / production accountant (68 episodes, 1994-1997) |
| Joy Kecken | .... | assistant to producers / assistant: Mr. Bromell (67 episodes, 1995-1998) |
| Holly Unterberger | .... | script coordinator (67 episodes, 1996-1999) |
| Greer Yeaton | .... | assistant production coordinator / production coordinator / ... (54 episodes, 1996-1999) |
| Kathi Ash | .... | location manager (51 episodes, 1995-1998) |
| Mark Pellington | .... | title designer: main title / title designer: main titles (50 episodes, 1993-1997) |
| Marianne Gray | .... | assistant: Ms. Mutrux (45 episodes, 1996-1998) |
| Linda McGibney | .... | script coordinator / assistant: Mr. Bromell (42 episodes, 1994-1998) |
| Anya Epstein | .... | story editor / assistant: Mr. Fontana (42 episodes, 1994-1997) |
| Stephen Hauser | .... | assistant: Mr. Levinson (42 episodes, 1994-1996) |
| Sean Jablonski | .... | assistant: Mr. Fontana (41 episodes, 1995-1997) |
| Karen L. Sirota | .... | assistant production coordinator (40 episodes, 1995-1997) |
| Sunil Nayar | .... | assistant: Mr. Fontana / assistant: Mr Fontana (40 episodes, 1997-1999) |
| Charley Armstrong | .... | location manager (32 episodes, 1993-1999) |
| Debra Donaldson | .... | location manager (32 episodes, 1993-1996) |
| Bonnie Mark | .... | story editor / script coordinator (31 episodes, 1993-1996) |
| Shamit Choksey | .... | assistant to producers / assistant to writers / ... (27 episodes, 1996-1999) |
| Tracey Frey | .... | assistant production coordinator / office production assistant (26 episodes, 1996-1999) |
| Tim Downs | .... | production assistant (25 episodes, 1996) |
| James Yoshimura | .... | executive story editor / story editor (24 episodes, 1994-1995) |
| Chrissie Davis | .... | production coordinator (23 episodes, 1997-1998) |
| Vernon Guinn | .... | production assistant (22 episodes, 1995-1996) |
| David Simon | .... | story editor (22 episodes, 1996-1997) |
| Julie Carideo | .... | assistant: Ms. Mutrux / assistant: Gail Mutrux (22 episodes, 1998-1999) |
| Donna Lee Hunt | .... | assistant: Mr. Levinson / assistant: Barry Levinson (22 episodes, 1998-1999) |
| Joe McLaughlin | .... | assistant accountant (22 episodes, 1998-1999) |
| Deborah Boyd | .... | assistant production coordinator (20 episodes, 1994-1995) |
| Julie Martin | .... | story editor (20 episodes, 1994-1995) |
| Skates Naiman | .... | supervising coordinator (20 episodes, 1994-1995) |
| Jorge Zamacona | .... | story editor (20 episodes, 1994-1995) |
| Markie Fenton | .... | location production assistant (17 episodes, 1998-1999) |
| Kerry Craven | .... | assistant production coordinator (13 episodes, 1993-1994) |
| Sara B. Cooper | .... | executive story editor (13 episodes, 1998-1999) |
| Judy Coster | .... | script supervisor (9 episodes, 1993) |
| Jennifer Goldsmith | .... | assistant accountant (9 episodes, 1993) |
| Nowell Grossman | .... | production accountant (9 episodes, 1993) |
| Diana Schmidt | .... | production coordinator (9 episodes, 1993) |
| Lisa Randolph | .... | assistant: Mr. Fontana / assistant: Tom Fontana (8 episodes, 1998-1999) |
| Shannon Logan-Torres | .... | assistant: Mr. Fontana / assistant: Tom Fontana (8 episodes, 1999) |
| Ivan J. Fonseca | .... | assistant to producers (5 episodes, 1993) |
| Kelley Finn | .... | assistant location manager (5 episodes, 1998) |
| Chris Friel | .... | script supervisor (4 episodes, 1994) |
| Lynn Hockin | .... | first assistant production accountant (4 episodes, 1994) |
| Brian A. Williams | .... | production accountant (4 episodes, 1994) |
| Ronald Bruce Holtman | .... | craft service (3 episodes, 1996-1997) |
| Randy Bobbitt | .... | production assistant (3 episodes, 1997) |
| Aaron Hern | .... | technical advisor (2 episodes, 1997) |
| Josh Slates | .... | additional set production assistant (2 episodes, 1998-1999) |
|
| Noel Behn | .... | creative consultant (unknown episodes) |
| Cheryl Donaldson | .... | production assistant (unknown episodes) |
| Amy Eldridge | .... | first assistant accountant (unknown episodes) |
| Philippe Gallichet | .... | caterer / chef (unknown episodes) |
| Stephanie Lovell | .... | set production assistant (unknown episodes) |
| Theresa Marsh | .... | first assistant production accountant (unknown episodes) |
| John B. Pekkanen | .... | production assistant (unknown episodes) |
| Denise Templeton | .... | production assistant (unknown episodes) |
| Frank Venegas | .... | assistant production coordinator (unknown episodes) |
| Kevin Weaver | .... | security associate (unknown episodes) |
| Craig Wirth | .... | production assistant (unknown episodes) |
| |