시즌 정규 출연진 7

1. 

   Zach Braff

   John 'J.D.' Dorian

2. 

   Donald Faison

   Christopher Turk

3. 

   John C. McGinley

   Perry Cox

4. 

   Sarah Chalke

   Elliot Reid

5. 

   Judy Reyes

   Carla Espinosa

6. 

   Ken Jenkins

   Bob Kelso

7. 

   Neil Flynn

   Janitor

특별출연 13

1. 

   Sam Lloyd

   Ted Buckland

2. 

   Robert Maschio

   Todd

3. 

   Aloma Wright

   Laverne Roberts

4. 

   Loren Lester

   Vet

5. 

   Chrystee Pharris

   Kylie

6. 

   Tara Reid

   Danni

7. 

   Christopher Darga

   Homeless Steve

8. 

   Gary Rubenstein

   Patient

9. 

   Frank Encarnacao

   Dr. Mickhead

10. 

    Johnny Kastl

    Doug Murphy

11. 

    Michael Hobert

    Lonnie

12. 

    Christa Miller

    Jordan Sullivan

13. Robert Beckwith

    Dr. Johnson

제작진 5