Season Regulars 12

1. 

   Ellen Pompeo

   Meredith Grey

2. 

   Chandra Wilson

   Miranda Bailey

3. 

   Sandra Oh

   Cristina Yang

4. 

   James Pickens Jr.

   Richard Webber

5. 

   Katherine Heigl

   Izzie Stevens

6. 

   Justin Chambers

   Alex Karev

7. 

   T.R. Knight

   George O'Malley

8. 

   Sara Ramirez

   Callie Torres

9. 

   Isaiah Washington

   Preston Burke

10. 

    Patrick Dempsey

    Derek Shepherd

11. 

    Eric Dane

    Mark Sloan

12. 

    Kate Walsh

    Addison Montgomery

Guest Stars 13

1. 

   Greg Pitts

   Jerry O'Malley

2. 

   Jeff Perry

   Thatcher Grey

3. 

   George Dzundza

   Harold O'Malley

4. 

   Tim Griffin

   Ronny O'Malley

5. Sarah Utterback

   Olivia Harper

6. 

   Judith Hoag

   Rhada Douglas

7. 

   Mae Whitman

   Heather Douglas

8. 

   Debra Monk

   Louise O'Malley

9. Michael James Thompson

   Cousin Joe

10. 

    John O'Brien

    Lab Tech Jeffrey

11. 

    Elaine Kao

    NICO Nurse

12. 

    Rhomeyn Johnson

    Manager

13. Jake Mailey

    Uncle Jim

Crew 2