
| Donnie Wahlberg | ... | Detective Joel Stevens / ... (24 episodes, 2002-2003) |

| Neal McDonough | ... | David McNorris (24 episodes, 2002-2003) |

| Mykelti Williamson | ... | Detective Bobby 'Fearless' Smith (24 episodes, 2002-2003) |
 | Gary Basaraba | ... | Officer Ray Hechler (24 episodes, 2002-2003) |
 | Lana Parrilla | ... | Teresa Ortiz (24 episodes, 2002-2003) |

| Jason Gedrick | ... | Officer Tom Turcotte (24 episodes, 2002-2003) |
 | Nina Garbiras | ... | Andrea Little (18 episodes, 2002-2003) |

| Megan Ward | ... | Kelly Stevens (8 episodes, 2002-2003) |
 | Dorian Harewood | ... | Captain Ronald Hicks (7 episodes, 2002-2003) |
 | Anthony Diaz-Perez | ... | Randy Warren (7 episodes, 2002-2003) |

| Vanessa Williams | ... | Detective Katherine Pierce (6 episodes, 2003) |
 | Erich Anderson | ... | Ben Fisher (5 episodes, 2002-2003) |
 | Kelly Rowan | ... | Marian McNorris (4 episodes, 2002-2003) |

| Erin Daniels | ... | Officer Karen Crane (4 episodes, 2003) |

| Rick Gomez | ... | Detective Daniel Ramos (3 episodes, 2003) |

| Annika Peterson | ... | Katrina (3 episodes, 2002-2003) |

| Chase Ellison | ... | Willie Stevens / ... (3 episodes, 2002-2003) |

| David Proval | ... | Paul Turcotte (3 episodes, 2002-2003) |

| Matt Craven | ... | Dr. Michael Hirsch (2 episodes, 2002-2003) |
 | Bruce A. Young | ... | Ronnie Tucker (2 episodes, 2003) |

| Kelly Hu | ... | Rachel Durrel (2 episodes, 2003) |

| Frank John Hughes | ... | Officer Vincent Manzani (2 episodes, 2003) |

| Kim Murphy | ... | Susan (2 episodes, 2002) |
 | Sam Anderson | ... | Scott Dawson (2 episodes, 2003) |
 | David Brisbin | ... | IA Det. Richard Trumper (2 episodes, 2003) |

| Deborah May | ... | Ellen Little (2 episodes, 2002) |

| Rebecca De Mornay | ... | 'Sabrina Fithian' Jill Foster (2 episodes, 2003) |

| Henry G. Sanders | ... | Police Sergeant Miller (2 episodes, 2002-2003) |

| Jamie McShane | ... | CSU / ... (2 episodes, 2003) |

| Harry S. Murphy | ... | Dalton Conk / ... (2 episodes, 2002-2003) |
 | David Mersault | ... | Billy / ... (2 episodes, 2003) |

| Sam Ayers | ... | Cop / ... (2 episodes, 2002-2003) |

| Christopher Grove | ... | Group Facilitator (2 episodes, 2003) |
|
| Jon Avnet | .... | executive producer (24 episodes, 2002-2003) |
| Graham Yost | .... | executive producer (24 episodes, 2002-2003) |
| Laurence Andries | .... | co-executive producer (23 episodes, 2002-2003) |
| Sarah A. Barkley | .... | associate producer / co-producer (23 episodes, 2002-2003) |
| Fred Golan | .... | producer / supervising producer (23 episodes, 2002-2003) |
| Stephen Sassen | .... | producer (23 episodes, 2002-2003) |
| Chris Brancato | .... | co-executive producer (17 episodes, 2002-2003) |
| Javier Grillo-Marxuach | .... | producer (17 episodes, 2002-2003) |
| Bert Salke | .... | co-executive producer (17 episodes, 2002-2003) |
| Lorie Zerweck | .... | co-producer (17 episodes, 2002-2003) |
| Michelle Ashford | .... | consulting producer (12 episodes, 2002-2003) |
| Frederick King Keller | .... | supervising producer (11 episodes, 2003) |
| Michael J. Ketelsen | .... | associate producer (6 episodes, 2003) |
| Anne McGrail | .... | co-executive producer (6 episodes, 2003) |
| Clyde Phillips | .... | consulting producer (6 episodes, 2003) |
| Jeff Rafner | .... | co-producer (6 episodes, 2003) |
| Mary Ann Wolf | .... | coordinating producer (6 episodes, 2003) |
| |
|
| Rick Alexander | .... | re-recording mixer (24 episodes, 2002-2003) |
| Suzanne Angel | .... | sound editor / adr supervisor (24 episodes, 2002-2003) |
| Tim Chilton | .... | foley artist (24 episodes, 2002-2003) |
| Richard D. Rogers | .... | re-recording mixer (24 episodes, 2002-2003) |
| James Thornton | .... | sound mixer (17 episodes, 2002-2003) |
| Mark F. Dennett | .... | second boom operator (15 episodes, 2002-2003) |
| David C. Eichhorn | .... | sound supervisor (12 episodes, 2002-2003) |
| Robert Webber | .... | sound supervisor (10 episodes, 2003) |
| Richard Lightstone | .... | sound mixer (6 episodes, 2003) |
| Devendra Damon Cleary | .... | sound utility (5 episodes, 2003) |
| Lou Thomas | .... | sound effects editor (2 episodes, 2002-2003) |
|
| Beau Biggart | .... | adr mixer (unknown episodes) |
| Bryan M. Cahill | .... | boom operator (unknown episodes) |
| Bob Costanza | .... | sound effects editor (unknown episodes) |
| Tommy Goodwin | .... | foley mixer (unknown episodes) |
| Bob Goold | .... | adr editor (unknown episodes) |
| Ross Levy | .... | utility sound technician (unknown episodes) |
| Timothy Pearson | .... | foley artist (unknown episodes) |
| |
|
| Dwayne Barr | .... | dolly grip: "a" camera (24 episodes, 2002-2003) |
| Tony Martin | .... | first assistant camera: "a" camera (24 episodes, 2002-2003) |
| Christopher Probst | .... | camera operator: "a" camera (24 episodes, 2002-2003) |
| Manning Tillman | .... | assistant camera (24 episodes, 2002-2003) |
| R. Michael Stringer | .... | key grip (23 episodes, 2002-2003) |
| Dwight Campbell | .... | gaffer (22 episodes, 2002-2003) |
| Chuck Whelan | .... | first assistant camera: "b" camera (17 episodes, 2002-2003) |
| Carl A. Vidnic | .... | electrician (13 episodes, 2003) |
| Christopher Tufty | .... | camera operator: "b" camera (11 episodes, 2002-2003) |
| Patrick Rousseau | .... | camera operator: "b" camera (7 episodes, 2002-2003) |
| Rich Floyd | .... | assistant camera (7 episodes, 2003) |
| Keith Banks | .... | first assistant camera: "b" camera (6 episodes, 2003) |
| Jeffrey R. Clark | .... | camera operator: "b" camera (6 episodes, 2003) |
|
| Monty Bass | .... | grip (unknown episodes) |
| Glenn Cannon | .... | video assist operator (unknown episodes) |
| Samuel Buddy Fries | .... | additional camera operator (unknown episodes) |
| George Hesse | .... | additional first assistant camera (unknown episodes) |
| Bruce Letterman | .... | grip (unknown episodes) |
| Brandon Margulies | .... | film loader (unknown episodes) |
| Stephen B. Martinez | .... | best boy grip (unknown episodes) |
| Bob Myers | .... | grip (unknown episodes) |
| Derek Paulin | .... | electrician (unknown episodes) |
| Cameron Smith | .... | best boy electric (unknown episodes) |
| John 'J.T.' Tully | .... | assistant camera (unknown episodes) |
| Eric Ward | .... | dolly grip (unknown episodes) |
| Jason Zakrzewski | .... | second assistant camera: "a" camera (unknown episodes) |
| |
|
| Gary Michael Clark | .... | payroll accountant (24 episodes, 2002-2003) |
| Michael Lewis | .... | production accountant (23 episodes, 2002-2003) |
| Kevin Dunigan | .... | advisor: police tech. / technical advisor (21 episodes, 2002-2003) |
| Ashley Sandberg | .... | assistant: Stephen Sassen (20 episodes, 2002-2003) |
| Keura Alexander | .... | assistant location manager (18 episodes, 2002-2003) |
| Jan Ellen Birch | .... | assistant: Jon Avnet (18 episodes, 2002-2003) |
| Mary Ann Wolf | .... | assistant: Graham Yost (18 episodes, 2002-2003) |
| Ann Dunsford | .... | production coordinator (17 episodes, 2002-2003) |
| David Berthiaume | .... | location manager (12 episodes, 2002-2003) |
| Adrienne Hamalian-Mangine | .... | script supervisor (12 episodes, 2002-2003) |
| Justin W. Hill | .... | key assistant location manager (12 episodes, 2002-2003) |
| Kelly Akers | .... | script supervisor (10 episodes, 2002-2003) |
| Bianca D'Carpio | .... | production assistant (10 episodes, 2002-2003) |
| Laurie Arent | .... | story editor (6 episodes, 2003) |
| Robb Buzzini | .... | assistant: Graham Yost (6 episodes, 2003) |
| Joel Anderson Thompson | .... | story editor (6 episodes, 2003) |
| Sarah Werner | .... | production coordinator (6 episodes, 2003) |
| LouAnn Wu | .... | set production assistant (6 episodes, 2003) |
| Sandy Yep | .... | assistant: Jon Avnet (6 episodes, 2003) |
| Ronald L. Carr | .... | location manager (4 episodes, 2002-2003) |
| Leon Dewayne Cozy | .... | set production assistant (4 episodes, 2003) |
| Barry Larson | .... | location manager (3 episodes, 2003) |
| George Larson | .... | location manager (3 episodes, 2003) |
| Alisa McCoy | .... | assistant: Stephen Sassen (3 episodes, 2003) |
| Stephen Price | .... | location manager (2 episodes, 2002) |
|
| Cathryn Boxberger | .... | publicist (unknown episodes, 2003) |
| Lance Barton | .... | production assistant (unknown episodes) |
| Ernest Belding | .... | key assistant location manager (unknown episodes) |
| Crista Birgy | .... | first assistant accountant (unknown episodes) |
| Jesse Blanco | .... | production assistant (unknown episodes) |
| Randolph Bookman | .... | production assistant (unknown episodes) |
| Jason Cardillo-Lee | .... | production assistant (unknown episodes) |
| Jim Chizmar | .... | marine coordinator (unknown episodes) |
| Jonathan Deiner | .... | production assistant / production secretary (unknown episodes) |
| Josh Gallegos | .... | production assistant (unknown episodes) |
| Todd Havern | .... | production assistant (unknown episodes) |
| Thomas J. Healy IV | .... | location scout (unknown episodes) |
| Eric Hooge | .... | assistant location manager (unknown episodes) |
| Heath Howard | .... | assistant production coordinator (unknown episodes) |
| Michelle Johnston | .... | choreographer (unknown episodes) |
| Andy Kaplan | .... | production assistant (unknown episodes) |
| Monica Kenyon | .... | production assistant (unknown episodes) |
| Jason Killingsworth | .... | production assistant (unknown episodes) |
| Ahmed Kirdar | .... | additional set production assistant (unknown episodes) |
| John Mabry | .... | production assistant (unknown episodes) |
| Julie McKinnon | .... | stand-in (unknown episodes) |
| Dauv McNeely | .... | computer and video playback technician (unknown episodes) |
| Kirk Tedeski | .... | video effects supervisor (unknown episodes) |
| Matthew Worley | .... | film transfer (unknown episodes) |
| Jason Ybarra | .... | craft service assistant (unknown episodes) |
| |