시즌 정규 출연진 7

1. 

   잭 브래프

   John 'J.D.' Dorian

2. 

   Donald Faison

   Christopher Turk

3. 

   John C. McGinley

   Perry Cox

4. 

   Eliza Coupe

   Denise Mahoney

5. 

   Kerry Bishé

   Lucy Bennett

6. 

   Michael Mosley

   Drew Suffin

7. 

   데이브 프랭코

   Cole Aaronson

특별출연 6

1. 

   Sarah Chalke

   Elliot Reid

2. 

   Robert Maschio

   Todd

3. Edith Fields

   Mrs. Foster

4. 

   Walter Addison

   Ben

5. Art Frankel

   Mr. Foster

6. 

   Christa Miller

   Jordan Sullivan

제작진 4