Season Regulars 9

1. 

   Hugh Laurie

   Gregory House

2. 

   Lisa Edelstein

   Lisa Cuddy

3. 

   Robert Sean Leonard

   James Wilson

4. 

   Omar Epps

   Eric Foreman

5. 

   Jennifer Morrison

   Allison Cameron

6. 

   Jesse Spencer

   Robert Chase

7. 

   Peter Jacobson

   Chris Taub

8. 

   Olivia Wilde

   Thirteen

9. 

   Kal Penn

   Lawrence Kutner

Guest Stars 6

1. 

   Julia Campbell

   Melanie

2. 

   David Purdham

   Chef Anthony

3. 

   Jennifer Crystal Foley

   Rachel Taub

4. 

   Dominic Scott Kay

   Jackson Smith

5. Bobbin Bergstrom

   Nurse

6. 

   Judith Scott

   Dana Miller

Crew 6