Pravidelné obsazení sezóny 12

1. 

   Ellen Pompeo

   Meredith Grey

2. 

   Chandra Wilson

   Miranda Bailey

3. 

   James Pickens Jr.

   Richard Webber

4. 

   Kevin McKidd

   Owen Hunt

5. 

   Caterina Scorsone

   Amelia Shepherd

6. 

   Camilla Luddington

   Jo Wilson

7. 

   Kim Raver

   Teddy Altman

8. 

   Chris Carmack

   Atticus Lincoln

9. 

   Anthony Hill

   Winston Ndugu

10. 

    Kelly McCreary

    Maggie Pierce

11. 

    Jake Borelli

    Levi Schmitt

12. 

    Scott Speedman

    Nick Marsh

Hostující obsazení epizody 26

1. 

   Jason George

   Ben Warren

2. 

   Jesse Williams

   Jackson Avery

3. 

   Sarah Drew

   April Kepner

4. 

   Alex Landi

   Nico Kim

5. 

   Jaicy Elliot

   Taryn Helm

6. Payton Silver

   Dr. Knox

7. 

   Jay Hayden

   Travis Montgomery

8. 

   Kristin Lehman

   Cora

9. 

   Sandy Martin

   Sally

10. 

    Penelope Kapudija

    Harriet

11. 

    Cathy Chang

    Rose Wong

12. 

    Bianca A. Santos

    Kristen Clark

13. 

    Cedric Sanders

    Simon Clark

14. Avalon Gray

    Leo Hunt

15. Colette Gray

    Leo Hunt

16. River Davidson

    Allison Hunt

17. 

    Dawnn Lewis

    Jamarah Blake

18. Janai Kaylani

    Pru Miller

19. 

    Zaiver Sinnett

    Zander Perez

20. 

    Sylvia Kwan

    Mabel Tseng

21. 

    Debbie Allen

    Catherine Fox

22. 

    E.R. Fightmaster

    Kai Bartley

23. Annabelle King

    Luna Wilson

24. Ryker Murphy

    Scout

25. Ryden Murphy

    Scout

26. Mark Garcia

    Peds Team Member

Štáb 2