
| Jill Hennessy | ... | Dr. Jordan Cavanaugh (116 episodes, 2001-2007) |

| Miguel Ferrer | ... | Dr. Garret Macy (113 episodes, 2001-2007) |

| Steve Valentine | ... | Dr. Nigel Townsend / ... (111 episodes, 2001-2007) |
 | Ravi Kapoor | ... | Dr. Mahesh 'Bug' Vijayaraghavensatanaryanamurthy / ... (110 episodes, 2001-2007) |

| Kathryn Hahn | ... | Lily Lebowski (110 episodes, 2001-2007) |

| Jerry O'Connell | ... | Detective Woody Hoyt (89 episodes, 2002-2007) |
 | Ken Howard | ... | Max Cavanaugh (40 episodes, 2001-2005) |

| Emy Coligado | ... | Emmy / ... (30 episodes, 2001-2007) |
 | Ivan Sergei | ... | Dr. Peter Winslow (22 episodes, 2002-2004) |
 | Susan Gibney | ... | DA Renee Walcott / ... (20 episodes, 2002-2007) |

| Mahershalalhashbaz Ali | ... | Dr. Trey Sanders (17 episodes, 2001-2002) |
 | Ethan Sandler | ... | ADA Jeffrey Brandau / ... (15 episodes, 2002-2007) |

| David Monahan | ... | Detective Matt Seely (14 episodes, 2004-2007) |

| Brooke Smith | ... | Dr. Kate Switzer (13 episodes, 2007) |

| Leslie Bibb | ... | Detective Tallulah 'Lu' Simmons (13 episodes, 2005-2007) |

| Charles Mesure | ... | J.D. Pollack (12 episodes, 2005-2007) |

| Alex McKenna | ... | Abby Macy (12 episodes, 2001-2006) |

| Eugene Byrd | ... | Sidney (12 episodes, 2004-2005) |
 | Lorraine Toussaint | ... | Dr. Elaine Duchamps / ... (9 episodes, 2002-2003) |
 | Jennifer Finnigan | ... | Dr. Devan Maguire (9 episodes, 2004) |
 | Wallace Shawn | ... | Dr. Howard Stiles (8 episodes, 2001-2006) |

| Lindsay Frost | ... | Maggie (8 episodes, 2001-2006) |
 | Amy Aquino | ... | Det. Lois Carver (8 episodes, 2001-2004) |
 | Lois Nettleton | ... | Evelyn (6 episodes, 2001) |

| Al Whiting | ... | Cop (6 episodes, 2005) |

| Jeffrey Donovan | ... | William Ivers (5 episodes, 2007) |

| Marlene Forte | ... | Gloria (5 episodes, 2001) |

| Jerry Trainor | ... | Brian - A.V. Guy / ... (5 episodes, 2004-2005) |
 | Arija Bareikis | ... | Detective Annie Capra (5 episodes, 2004) |
 | Lawrence Pressman | ... | Judge Marshall / ... (4 episodes, 2004-2007) |

| Shailene Woodley | ... | Young Jordan Cavanaugh / ... (4 episodes, 2001-2004) |

| Tom McCleister | ... | Charlie / ... (4 episodes, 2001-2002) |

| D.W. Moffett | ... | Detective Eddy Winslow (4 episodes, 2001-2002) |

| Michael T. Weiss | ... | James Horton (4 episodes, 2003-2004) |

| Tovah Feldshuh | ... | Mrs. Elaine Brandau / ... (3 episodes, 2006-2007) |

| Josh Duhamel | ... | Danny McCoy (3 episodes, 2004-2007) |

| Kristen Wilson | ... | Kim Watkins (3 episodes, 2001-2002) |

| Shawn Christian | ... | Adam Flynn (3 episodes, 2001) |
 | Tamlyn Tomita | ... | Dr. Grace Yakura (3 episodes, 2001) |

| Jack Laufer | ... | Herman Redding (3 episodes, 2002) |

| Jacob Bruce | ... | O'Brien / ... (3 episodes, 2004-2005) |

| Henry Farnam | ... | Voice Over (3 episodes, 2004-2005) |

| Jsu Garcia | ... | Det. Cruz / ... (3 episodes, 2004) |
 | James McMann | ... | Craps Table Boxman / ... (3 episodes, 2005-2007) |

| Dig Wayne | ... | Uniform Cop #2 / ... (3 episodes, 2005) |

| Scott Michael Morgan | ... | Officer Rooney (3 episodes, 2006-2007) |
 | Brian T. Delaney | ... | Uni / ... (3 episodes, 2007) |

| Gina St. John | ... | News Anchor / ... (3 episodes, 2007) |

| Boris Kodjoe | ... | Detective Elliot Chandler (2 episodes, 2007) |

| Michelle Nolden | ... | Dr. Amy Bowen (2 episodes, 2006) |

| Craig Zimmerman | ... | Bartender (2 episodes, 2006-2007) |

| Judith Moreland | ... | Doctor (2 episodes, 2001-2007) |

| Alicia Coppola | ... | Detective Meredith 'Merry' Stackhouse / ... (2 episodes, 2003-2005) |
 | Georgia Eskew | ... | Young Jordan / ... (2 episodes, 2002) |

| Kristin Bauer | ... | Molly Greene (2 episodes, 2004-2006) |

| Henry Winkler | ... | Dr. Jack Slocum / ... (2 episodes, 2005) |

| T.W. Leshner | ... | Chad Wasserman (2 episodes, 2006) |

| Hector Luis Bustamante | ... | Eddie / ... (2 episodes, 2004-2007) |

| Richard Fancy | ... | Judge Dixon / ... (2 episodes, 2001-2007) |

| Lisa Kaminir | ... | Attorney Stewart (2 episodes, 2004-2006) |

| Stephen Taylor | ... | Wayne 'Danger' Riggs / ... (2 episodes, 2005) |

| Tay Blessey | ... | Kayla Dawson (2 episodes, 2006) |
 | Patricia De Leon | ... | Magda Garcia (2 episodes, 2007) |
 | James Earl | ... | Man with Leg Wound / ... (2 episodes, 2007) |
 | Ken Kercheval | ... | Claude Manning / ... (2 episodes, 2002-2006) |

| Christopher Goodman | ... | Deputy Joe Whatley / ... (2 episodes, 2004-2007) |

| Johnny Pacar | ... | Ben Kensith (2 episodes, 2007) |
 | Richard Augustine | ... | Steven / ... (2 episodes, 2001-2007) |

| Tom Bresnahan | ... | A.J. Crawford / ... (2 episodes, 2001-2007) |
 | Alan Feinstein | ... | Blackie Conroy (2 episodes, 2001-2002) |

| Ed Quinn | ... | Tyler (2 episodes, 2001-2002) |
 | María Celedonio | ... | Nora (2 episodes, 2001) |

| Chris Noth | ... | FBI Agent Haley / ... (2 episodes, 2001) |

| Christopher DerGregorian | ... | Bicycle Cop (2 episodes, 2002-2005) |

| William R. Moses | ... | Attorney / ... (2 episodes, 2002-2005) |

| Lesley Ann Warren | ... | Arlene Lebowski / ... (2 episodes, 2002-2005) |

| Anthony DeSando | ... | Father Paul / ... (2 episodes, 2002-2004) |
 | Kenneth Estes | ... | NTSB Computer Tech / ... (2 episodes, 2002-2004) |
 | Georgann Johnson | ... | Jordan's Grandmother (2 episodes, 2002) |
 | Brian Stokes Mitchell | ... | D. A. Jay Myers / ... (2 episodes, 2002) |

| Anthony Molinari | ... | Colin Walsh / ... (2 episodes, 2003-2007) |

| Charlie O'Connell | ... | Calvin 'Cal' Coolige Hoyt / ... (2 episodes, 2003-2005) |
 | Leesa Severyn | ... | Reporter (2 episodes, 2003-2004) |
 | Darren Pettie | ... | Det Rohrbach / ... (2 episodes, 2003) |
 | Tim Ryan | | (2 episodes, 2003) |

| Danielle Burgio | ... | Andrea Goddard / ... (2 episodes, 2004-2007) |

| Camille Guaty | ... | Det. Luisa Santana (2 episodes, 2004-2005) |

| Brian Kimmet | ... | Oliver Titleman (2 episodes, 2004-2005) |

| Vanessa Marcil | ... | Sam Marquez (2 episodes, 2004-2005) |
 | Michelle Rae | ... | Crime Scene Investigator / ... (2 episodes, 2004-2005) |

| Louis Iacoviello | ... | Officer Michaels (2 episodes, 2004) |

| Greg Fitzpatrick | ... | Dexter Pontillo / ... (2 episodes, 2005-2007) |

| Rosemary Garris | ... | Grieving Parent (2 episodes, 2005-2006) |
 | Ryan Van de Kamp Buchanan | ... | Paramedic / ... (2 episodes, 2005-2006) |

| Sandra Bernhard | ... | Roz Framus (2 episodes, 2005) |

| Francis Fallon | ... | Officer Moreno / ... (2 episodes, 2005) |

| Nichelle Hines | ... | Paramedic / ... (2 episodes, 2005) |

| Jawara | ... | Arresting Boston Cop #2 / ... (2 episodes, 2005) |

| Ron Butler | ... | Hopper's Attorney / ... (2 episodes, 2006-2007) |

| Norma Maldonado | ... | Carolyn Macelli (2 episodes, 2006) |

| Adam Jamal Craig | ... | Officer Hansel (2 episodes, 2007) |
 | Jason Ross-Azikiwe | ... | Lieutenant Johnson (2 episodes, 2007) |
 | Janine Venable | ... | Anesthesiologist / ... (2 episodes, 2007) |
|
| Tim Kring | .... | executive producer (117 episodes, 2001-2007) |
| David Amann | .... | supervising producer / co-executive producer (35 episodes, 2002-2004) |
| Allan Arkush | .... | executive producer / co-executive producer / ... (33 episodes, 2001-2007) |
| Jason Parks | .... | associate producer (33 episodes, 2005-2007) |
| Dennis Hammer | .... | executive producer / co-executive producer / ... (31 episodes, 2001-2007) |
| Damon Lindelof | .... | co-producer / supervising producer (23 episodes, 2002-2004) |
| Andi Bushell | .... | producer (22 episodes, 2004-2005) |
| Skip Beaudine | .... | line producer / co-producer (21 episodes, 2002-2007) |
| Scott Williams | .... | co-executive producer (21 episodes, 2004-2005) |
| Kathy McCormick | .... | executive producer / consulting producer / ... (20 episodes, 2002-2007) |
| Ian Biederman | .... | co-executive producer (17 episodes, 2001-2007) |
| Gary Glasberg | .... | co-producer / producer / ... (17 episodes, 2001-2004) |
| Nowell Grossman | .... | associate producer (17 episodes, 2007) |
| Lori Motyer | .... | co-producer / associate producer (16 episodes, 2001-2004) |
| Melissa R. Byer | .... | supervising producer / producer (14 episodes, 2006-2007) |
| Jon Cowan | .... | executive producer / co-executive producer (13 episodes, 2004-2007) |
| Robert L. Rovner | .... | executive producer / co-executive producer (13 episodes, 2004-2007) |
| Mickie Reuster | .... | associate producer (13 episodes, 2004) |
| Treena Hancock | .... | supervising producer / producer (13 episodes, 2006-2007) |
| Roxann Dawson | .... | producer (12 episodes, 2006-2007) |
| Robert Fresco | .... | co-executive producer (12 episodes, 2006-2007) |
| Ashley Gable | .... | supervising producer (12 episodes, 2006-2007) |
| Lynne E. Litt | .... | supervising producer (12 episodes, 2006-2007) |
| Erin Scotto | .... | co-producer (12 episodes, 2006-2007) |
| Rob Wright | .... | supervising producer (12 episodes, 2006-2007) |
| Samantha Howard Corbin | .... | co-executive producer (10 episodes, 2001-2007) |
| Todd Ellis Kessler | .... | supervising producer (8 episodes, 2001-2002) |
| Nicolas Bradley | .... | associate producer (2 episodes, 2005) |
|
| Sharon Lee Watson | .... | producer (unknown episodes, 2004) |
| Linda Gase | .... | co-executive producer / supervising producer (unknown episodes) |
| Bert Salke | .... | consulting producer (unknown episodes) |
| Danielle Weinstock | .... | co-producer (unknown episodes) |
| |
|
| Brad Turner | .... | props (94 episodes, 2002-2007) |
| Julie Witherington | .... | on-set prop master / on-set property / ... (90 episodes, 2001-2006) |
| Cyndy Tarkington | .... | buyer (90 episodes, 2002-2007) |
| Paul Walton | .... | head paint foreman (81 episodes, 2002-2007) |
| David Harris | .... | greens coordinator (22 episodes, 2001-2002) |
| Brendon Crigler | .... | set dresser (21 episodes, 2005-2006) |
| Abigail Sheiner | .... | prop coordinator (17 episodes, 2007) |
| Alun Vick | .... | construction coordinator (16 episodes, 2001-2005) |
| Gay Perello | .... | property master (15 episodes, 2001-2005) |
| Sean Farrell | .... | set dresser (15 episodes, 2001-2002) |
| Stephen Wong | .... | art department production assistant (14 episodes, 2007) |
| Mike Ortiz | .... | art department production assistant / props (5 episodes, 2005-2006) |
| Joe Monaco | .... | set dresser (5 episodes, 2007) |
| Larry J. White II | .... | co-leadman (3 episodes, 2007) |
| Victor M. Shannon | .... | plasterer foreman (2 episodes, 2001) |
| Freddie Ortiz | .... | on-set dresser (2 episodes, 2003-2005) |
| Craig T. Currie | .... | propmaker foreman (2 episodes, 2007) |
|
| Bob Baker | .... | draper (unknown episodes) |
| Paula Burnett | .... | carpenter (unknown episodes) |
| Sam Dean | .... | welder (unknown episodes) |
| David W. Ford | .... | lead man (unknown episodes) |
| Christopher Isenegger | .... | art assistant / art department coordinator (unknown episodes) |
| Paul Jackson | .... | swing gang (unknown episodes) |
| Daren Janes | .... | set designer (unknown episodes) |
| Michael Lindsay | .... | property master (unknown episodes) |
| R. Scott Loughran | .... | art department assistant / art department coordinator (unknown episodes) |
| Dana MacDuff | .... | props (unknown episodes) |
| Martin L. Mercer | .... | storyboard artist (unknown episodes) |
| Kristie Moore | .... | painter decorator (unknown episodes) |
| Steve Park | .... | set dresser (unknown episodes) |
| Pia Pedersen | .... | scenic artist (unknown episodes) |
| Steven Piacenza | .... | props (unknown episodes) |
| Mark Sakamoto | .... | set dresser (unknown episodes) |
| Steve Salazar | .... | welder gang boss (unknown episodes) |
| Michael Scot Wrede | .... | set decoration assistant (unknown episodes) |
| |
|
| Frank Fleming | .... | sound recordist (46 episodes, 2004-2007) |
| Nate Arrigoni | .... | assistant sound editor (43 episodes, 2004-2007) |
| Jaya Jayaraja | .... | utility sound (28 episodes, 2002-2004) |
| Glenn E. Berkovitz | .... | production sound mixer (23 episodes, 2001-2002) |
| Chris Diamond | .... | cable utility (23 episodes, 2001-2002) |
| Gerry Lentz | .... | sound re-recording mixer (15 episodes, 2001-2005) |
| Steven M. Sax | .... | sound supervisor (15 episodes, 2001-2005) |
| Rich Weingart | .... | sound re-recording mixer (15 episodes, 2001-2005) |
| Michael Ferdie | .... | additional sound editor (15 episodes, 2004-2005) |
| Kenn Fuller | .... | production sound mixer / sound mixer (7 episodes, 2002-2005) |
| Corey Woods | .... | sound utility (7 episodes, 2002) |
| Susan Moore-Chong | .... | sound mixer (6 episodes, 2007) |
| Frank Zaragoza | .... | boom operator (6 episodes, 2007) |
| Jonathan Fuh | .... | boom operator (5 episodes, 2007) |
| Sean Byrne | .... | sound effects editor (2 episodes, 2003) |
|
| Beau Biggart | .... | adr mixer (unknown episodes) |
| Bob Costanza | .... | sound effects editor (unknown episodes) |
| Diana Flores | .... | adr mixer (unknown episodes) |
| Tommy Goodwin | .... | foley mixer (unknown episodes) |
| Dean Hovey | .... | dialogue editor (unknown episodes) |
| Timothy Pearson | .... | foley artist (unknown episodes) |
| Aaron Rihel | .... | sound recordist (unknown episodes) |
| Philip Rogers | .... | adr recordist (unknown episodes) |
| Richard S. Steele | .... | sound editor (unknown episodes) |
| Dirk Stout | .... | boom operator (unknown episodes) |
| Lou Thomas | .... | sound editor (unknown episodes) |
| |
|
| Doug Ludwig | .... | visual effects supervisor (100 episodes, 2001-2006) |
| Curt Miller | .... | visual effects supervisor (25 episodes, 2005-2007) |
| James W. Riley | .... | visual effects supervisor (21 episodes, 2005-2006) |
| Elizabeth Castro | .... | visual effects producer (17 episodes, 2007) |
| Ryan Wieber | .... | digital compositor (8 episodes, 2006-2007) |
| Anthony Barcelo | .... | digital artist / digital compositor / ... (3 episodes, 2006) |
| Jeremy Nelson | .... | digital compositor (2 episodes, 2002) |
| Daniel Kumiega | .... | visual effects (2 episodes, 2007) |
|
| Charles Schwartz | .... | matchmove and visual effects artist (unknown episodes, 2003) |
| Sean Afshar | .... | visual effects coordinator / visual effects editor (unknown episodes, 2005) |
| Geeta Basantani | .... | digital compositor (unknown episodes) |
| Louis Bravo | .... | visual effects editor (unknown episodes) |
| Gavain Browne | .... | visual effects artist (unknown episodes) |
| Louis Cox | .... | visual effects (unknown episodes) |
| Marie Victoria Denoga | .... | digital artist (unknown episodes) |
| Zeth DuBois | .... | 3D artist (unknown episodes) |
| Ryan Dutour | .... | digital compositor (unknown episodes) |
| Mark Edwards | .... | visual effects coordinator: Stargate Films (unknown episodes) |
| Darren Frankel | .... | VP, post production: Stargate Digital (unknown episodes) |
| Spence Fuller | .... | digital compositor (unknown episodes) |
| Jack Fulmer | .... | digital effects artist (unknown episodes) |
| Diego Galtieri | .... | compositor (unknown episodes) |
| Tom Haney | .... | compositor: Stargate Digital (unknown episodes) |
| Ragui Hanna | .... | digital compositor (unknown episodes) |
| Marlan Harris | .... | digital artist (unknown episodes) |
| Josh Hatton | .... | CG supervisor (unknown episodes) |
| Kyle J. Healey | .... | previs supervisor / visual effects supervisor (unknown episodes) |
| Sid Jayakar | .... | digital compositor (unknown episodes) |
| Jared Jones | .... | digital compositor (unknown episodes) |
| Jason Korber | .... | digital compositor (unknown episodes) |
| Frank Lawas | .... | visual effects I/O supervisor (unknown episodes) |
| Dan Lazarow | .... | 3D artist (unknown episodes) |
| Mike Leeming | .... | visual effects (unknown episodes) |
| Christopher D. Martin | .... | digital compositor (unknown episodes) |
| Anthony Ocampo | .... | 3D artist (unknown episodes) |
| Gordon Oscar | .... | visual effects (unknown episodes) |
| Midori Otsubo | .... | digital effects artist (unknown episodes) |
| Rob Reinhart | .... | digital compositor (unknown episodes) |
| Victor Scalise | .... | digital compositor (unknown episodes) |
| Chad Schott | .... | digital compositor (unknown episodes) |
| Maryam Sharifi | .... | digital compositor (unknown episodes) |
| Jason C. Spratt | .... | visual effects producer (unknown episodes) |
| Jaison Stritch | .... | 3D visual effects supervisor (unknown episodes) |
| Renaud Talon | .... | visual effects compositor (unknown episodes) |
| Cedric Tomacruz | .... | matte painter (unknown episodes) |
| John Vassallo | .... | digital effects artist (unknown episodes) |
| Peter V. Ware | .... | visual effects producer / visual effects supervisor (unknown episodes) |
| Doug Witsken | .... | digital compositor (unknown episodes) |
| Christopher M. Wright | .... | visual effects producer (unknown episodes) |
| Fabio Zapata | .... | digital effects (unknown episodes) |
| |
|
| Mary Albee | .... | stunt coordinator (15 episodes, 2001-2005) |
| Nancy Young | .... | stunt double: Jill Hennessy (13 episodes, 2001-2002) |
| Stacey Carino | .... | stunt double / stunt double: Jill Hennessy (8 episodes, 2005-2006) |
| Hubie Kerns Jr. | .... | stunts (6 episodes, 2002-2005) |
| Brian Simpson | .... | stunt performer (6 episodes, 2003-2005) |
| Greg Anthony | .... | stunt double (4 episodes, 2003-2005) |
| Kevin Derr | .... | stunt double (4 episodes, 2004-2006) |
| Carl Rice | .... | stunt driver / utility stunts (3 episodes, 2005) |
| Jennifer Cobb | .... | stunt double (2 episodes, 2004) |
| Mark Munoz | .... | child stunt double / stunt double (2 episodes, 2005-2006) |
|
| Elle Alexander | .... | stunt actor (unknown episodes) |
| Daniel Arrias | .... | stunts (unknown episodes) |
| Brian Avery | .... | utility stunts (unknown episodes) |
| Rick Avery | .... | stunts (unknown episodes) |
| Jon Braver | .... | stunt double: Miguel Ferrer (unknown episodes) |
| Jennifer Caputo | .... | stunt double: Jill Henessey (unknown episodes) |
| Fernando Chien | .... | stunt performer (unknown episodes) |
| Tim Connolly | .... | stunt performer (unknown episodes) |
| Sophia Crawford | .... | stunt double (unknown episodes) |
| Conrade Gamble | .... | stunts (unknown episodes) |
| Tanner Gill | .... | stunts (unknown episodes) |
| Al Goto | .... | stunts (unknown episodes) |
| Christie Hayes | .... | utility stunts (unknown episodes) |
| Jes Hellwege | .... | stunts (unknown episodes) |
| Nicola C. Hindshaw | .... | stunt double (unknown episodes) |
| David Hugghins | .... | stunt rigger (unknown episodes) |
| Oliver Keller | .... | stunt double / stunts (unknown episodes) |
| Steve Kim | .... | stunts (unknown episodes) |
| Lane Leavitt | .... | stunts (unknown episodes) |
| Alex Madison | .... | stunts (unknown episodes) |
| Johnny Martin | .... | stunts (unknown episodes) |
| Mike Massa | .... | stunt double (unknown episodes) |
| Ron McCord | .... | stunts (unknown episodes) |
| Caryn Mower | .... | stunts (unknown episodes) |
| Carl Anthony Nespoli | .... | stunt double (unknown episodes) |
| J.J. Perry | .... | stunts (unknown episodes) |
| Denney Pierce | .... | stunts (unknown episodes) |
| Allen Robinson | .... | stunt double (unknown episodes) |
| Michael J. Sarna | .... | stunts (unknown episodes) |
| Steve Schriver | .... | stunts (unknown episodes) |
| Paul E. Short | .... | stunts (unknown episodes) |
| Tim Sitarz | .... | |