| Person | Type | Job | Role(s) | Episodes |
|---|---|---|---|---|
 Dan Lerner | Crew | Directing | Director | 1 |
Michael M. Robin | Crew | Directing | Director | 1 |
 Peter Horton | Crew | Directing | Director | 1 |
Peter O'Fallon | Crew | Directing | Director | 2 |
 Rick Rosenthal | Crew | Directing | Director | 1 |
Vincent Misiano | Crew | Directing | Director | 1 |
 Vondie Curtis-Hall | Crew | Directing | Director | 1 |
 David Schulner | Crew | Writing | Writer | 1 |
 Joan Rater | Crew | Writing | Writer | 1 |
Robert Doherty | Crew | Writing | Writer | 1 |
 Aimee Garcia | Cast | Actress | Gina Willis | 1 |
 Amy Hill | Cast | Actress | 1 | |
 Anjul Nigam | Cast | Actor | Nurse Manoj Nakshi | 1 |
 Aunjanue Ellis-Taylor | Cast | Actress | Quinn Joyner | 11 |
 Blayne Weaver | Cast | Actor | Smart Ass 2nd Year | 1 |
 Christine Tucci | Cast | Actress | Dr. Terri Calamari | 1 |
 Dan Bucatinsky | Cast | Actor | Kurt | 1 |
 Daniel Edward Mora | Cast | Actor | Father | 1 |
 James Pickens Jr. | Cast | Actor | 1 | |
 Jane Lynch | Cast | Actress | Aileen Poole | 11 |
 Jenna Gering | Cast | Actress | Julia | 1 |
Jennie Ventriss | Cast | Actress | Elderly Woman | 1 |
 John Hannah | Cast | Actor | Dr. Robert Dalgety | 11 |
 Leslie Stefanson | Cast | Actress | Shelly Pangborn | 11 |
Linda Klein | Cast | Actress | Surgical Nurse | 1 |
 Lindsay Frost | Cast | Actress | Linda Clark | 1 |
 Mark Adair-Rios | Cast | Actor | Que Paso | 1 |
 Marshall Bell | Cast | Actor | Bill 'Wise Guy' Weisman | 1 |
 Matthew Yang King | Cast | Actor | 2nd Year Student | 1 |
 Meera Simhan | Cast | Actress | Dr. Singh | 1 |
 Michael Cudlitz | Cast | Actor | 1 | |
 Michael Irby | Cast | Actor | Jaime Lopez | 1 |
 Michaela Conlin | Cast | Actress | Dr. Maggie Yang | 11 |
 Miguel Pérez | Cast | Actor | Mr. Lopez | 1 |
 Nadia Dajani | Cast | Actress | 1 | |
 Rainn Wilson | Cast | Actor | John Doe | 2 |
 Ricky Harris | Cast | Actor | Randy Stilton | 1 |
 Robert Joy | Cast | Actor | Frank Coones | 11 |
 Rosalind Chao | Cast | Actress | Angela Yuan | 1 |
 Sheila Kelley | Cast | Actress | Pam Kellerman | 1 |
 Thomas Lennon | Cast | Actor | Chester E. Donge | 1 |
 Todd Kimsey | Cast | Actor | Tim Conley | 1 |
 Vernee Watson-Johnson | Cast | Actress | ER Admit Clerk #1 | 1 |
 Wade Williams | Cast | Actor | Big Thor Amundsen | 1 |
 William Fichtner | Cast | Actor | Dr. Bruce Kellerman | 11 |
 Tracy Vilar | Cast | Actress | ER Nurse #2 | 1 |
 Danielle Camastra | Cast | Actress | Gina Reyes | 1 |
 Uwe Schwarzwalder | Cast | Actor | Cop | 1 |
Jenjer Vick Robin | Cast | Nurse | 1 | |
Darryl Fong | Cast | Actor | EMT | 1 |
| Person | Type | Job | Role(s) | Episodes |
