Säsongens återkommande skådespelare 8

1. 

   Hugh Laurie

   Gregory House

2. 

   Lisa Edelstein

   Lisa Cuddy

3. 

   Robert Sean Leonard

   James Wilson

4. 

   Omar Epps

   Eric Foreman

5. 

   Jesse Spencer

   Robert Chase

6. 

   Peter Jacobson

   Chris Taub

7. 

   Olivia Wilde

   Thirteen

8. 

   Amber Tamblyn

   Martha M. Masters

Gästskådespelare 24

1. 

   Austin Michael Coleman

   Zachary Taylor

2. 

   Brittany Ishibashi

   Ms. Corwin

3. 

   Erika Alexander

   Ms. Fields

4. 

   Maurice Godin

   Dr. Hourani

5. 

   Tiffany Espensen

   Sophie

6. Matthew Haddad

   Timmy Morgan

7. 

   Nigel Gibbs

   Sanford Wells

8. 

   Jared Hillman

   Brett

9. 

   Willis Chung

   Phillip Wright

10. 

    Haley Pullos

    Colleen

11. Logan Arens

    Gabe

12. 

    Michael Chey

    Alex

13. 

    Joyce Greenleaf

    Ms. Washburn

14. Gwen Mihok

    Carmen

15. 

    Jarret Wright

    Dave Dryden

16. 

    Doug Locke

    Roger

17. Suzy Cote

    Lawyer

18. 

    Aubrey Manning

    Receptionist

19. 

    Victoria Hoffman

    Mother

20. 

    Jack David Frank

    Teenage Son

21. 

    Cameran Surles

    Worried Patient

22. Sheena Zadeh

    Nurse Laura

23. 

    Tracy Vilar

    Nurse Regina

24. Bobbin Bergstrom

    Nurse

Medarbetare 6