Season Regulars 5

1. 

   Michael Sheen

   William Masters

2. 

   Lizzy Caplan

   Virginia Johnson

3. 

   Caitlin FitzGerald

   Libby Masters

4. 

   Annaleigh Ashford

   Betty DiMello

5. 

   Teddy Sears

   Dr. Austin Langham

Guest Stars 22

1. 

   Mariel Neto

   Leslie

2. 

   René Auberjonois

   Dr. George Papanikolaou

3. 

   Rya Kihlstedt

   Tatti Greathouse

4. 

   Danny Huston

   Dr. Douglas Greathouse

5. 

   Kerry O'Malley

   Bee Faunce

6. 

   Rebekah Ward

   Loraine

7. 

   Brianne Davis

   Serena Buckley

8. 

   Michael Bunin

   Dr. Broad

9. 

   Tru Collins

   Angie

10. Francesca Ferrara

    Nurse

11. 

    Donna Pieroni

    Joanne

12. Bruce M. Stockert

    Waiting Room Patient (uncredited)

13. Rebecca Kessler

    Maternity Ward Candy Striper (uncredited)

14. 

    Julianne Nicholson

    Dr. Lillian DePaul

15. 

    Greg Grunberg

    Gene Moretti

16. 

    Keke Palmer

    Coral

17. 

    Courtney B. Vance

    Dr. Charles Hendricks

18. Maitely Weismann

    Mariel

19. 

    Betsy Brandt

    Barbara Sanderson

20. 

    Cole Sand

    Henry Johnson

21. 

    Kayla Madison

    Tessa Johnson

22. 

    Artemis Pebdani

    Flo Packer

Crew 2