| Zach Braff | ... | Dr. John 'J.D.' Dorian | |
| Sarah Chalke | ... | Dr. Elliot Reid | |
| Donald Faison | ... | Dr. Christopher Turk | |
| Neil Flynn | ... | The Janitor | |
| Ken Jenkins | ... | Dr. Bob Kelso | |
| John C. McGinley | ... | Dr. Perry Cox | |
| Judy Reyes | ... | Nurse Carla Espinosa | |
| Elizabeth Banks | ... | Dr. Kim Briggs | |
| Scott Foley | ... | Sean Kelly | |
| Todd Bosley | ... | Howie | |
| Robert Maschio | ... | Dr. Todd Quinlan | |
| Kit Pongetti | ... | Lady | |
| Sonal Shah | ... | Sunny | |
| Arielle Byron | ... | The Barista | |
| Korbi Ghosh | ... | Nurse Korbi |
| Episode Crew |
Directed by | |||
| Linda Mendoza | |||
Writing credits | ||
| Bill Lawrence | (creator) | |
| Kevin Biegel | (written by) | |
Produced by | |||
| Kevin Biegel | .... | co-producer | |
| Bill Callahan | .... | executive producer | |
| Garrett Donovan | .... | executive producer | |
| Debra Fordham | .... | co-executive producer | |
| Neil Goldman | .... | executive producer | |
| Bill Lawrence | .... | executive producer | |
| Liz Newman | .... | producer | |
| Abraham Park | .... | associate producer | |
| Tad Quill | .... | consulting producer | |
| Danny Rose | .... | co-producer | |
| Randall Winston | .... | producer | |
Original Music by | |||
| Jan Stevens | |||
Cinematography by | |||
| John Inwood | (director of photography) | ||
Film Editing by | |||
| Rick Blue | |||
Casting by | |||
| Brett Benner | |||
| Debby Romano | |||
Production Design by | |||
| Cabot McMullen | |||
Set Decoration by | |||
| Brian Kasch | |||
Costume Design by | |||
| Carey Bennett | |||
Makeup Department | |||
| Amanda Mofield | .... | hair stylist | |
| Lorna Reid | .... | department head hair stylist (as Lorna A. Reid) | |
| Carme Tenuta | .... | makeup artist | |
| Phyllis Williams | .... | department head makeup artist | |
Production Management | |||
| Richard A. Wells | .... | unit production manager (as Richard Alexander Wells) | |
Second Unit Director or Assistant Director | |||
| Franklyn Gottbetter | .... | first assistant director (as Franklyn M. Gottbetter) | |
| Courtney Rowe | .... | second assistant director | |
Art Department | |||
| John 'Johnny O' Ornelas | .... | property master (as John Ornelas) | |
| Joshua Dobkin | .... | art department coordinator (uncredited) | |
Sound Department | |||
| John W. Cook II | .... | supervising sound mixer | |
| Joe Foglia | .... | production sound mixer | |
| Trevor Jolly | .... | supervising sound editor | |
| Peter Nusbaum | .... | supervising sound mixer | |
| Whitney Purple | .... | recordist | |
Visual Effects by | |||
| Dylan Chudzynski | .... | visual effects supervisor (uncredited) | |
Camera and Electrical Department | |||
| Chris Carroll | .... | lamp operator | |
| Richard Cheung | .... | lamp operator | |
| Robert Cheung | .... | best boy electric (as Rob Cheung) | |
| D. Allan Compton | .... | lamp operator (as Alan Compton) | |
| John W. Kristopik | .... | lamp operator (as John Kristopik) | |
| Kenji Luster | .... | camera operator | |
| Andrew Rawson | .... | gaffer (as Andy Rawson) | |
Casting Department | |||
| Tanya Cioffari | .... | extras casting (uncredited) | |
| Melissa Messer | .... | casting assistant (uncredited) | |
Costume and Wardrobe Department | |||
| Alexandra Dewey | .... | costumer (uncredited) | |
Editorial Department | |||
| Donna Madrigal | .... | assistant editor | |
Music Department | |||
| Lazlo Bane | .... | performer: theme | |
| Timothy Bright | .... | theme by (as Tim Bright) | |
| Chad Fischer | .... | composer: theme music | |
| Avital Korin | .... | music editor | |
| Chris Link | .... | theme by | |
Other crew | |||
| Kevin Bennett | .... | production accountant | |
| Keiann Collins | .... | script supervisor | |
| Jonathan Doris | .... | medical advisor (as Dr. Jon Doris) | |
| Hillary Simone Hirsch | .... | production coordinator | |
| Main series | Episode guide | Full cast and crew |
| Company credits | IMDb TV section | IMDb Comedy section |
| IMDb USA section |