Season Regulars 5

1. 

   Michael Sheen

   William Masters

2. 

   Lizzy Caplan

   Virginia Johnson

3. 

   Caitlin FitzGerald

   Libby Masters

4. 

   Nicholas D'Agosto

   Dr. Ethan Haas

5. 

   Teddy Sears

   Dr. Austin Langham

Guest Stars 21

1. 

   Kevin Christy

   Lester Linden

2. 

   Doug McKeon

   Reverend Peter Mayfair

3. 

   Rob Kerkovich

   Jeremy

4. 

   Bennet Guillory

   Eustace

5. 

   Claire van der Boom

   Shirley

6. 

   Bug Hall

   Schacter

7. 

   Gil McKinney

   Charles

8. 

   Kate Fuglei

   Marie

9. 

   Jeff Doucette

   Mr. Langshaw

10. 

    Logan Donovan

    Travis Banks

11. 

    Adam Silver

    Tim Deasy

12. 

    Jamie Landau

    Mason

13. Michael Yavnielli

    Jacob

14. 

    Rick Marcus

    Roger

15. 

    Olivia May

    Peep Show Woman

16. 

    Devlin Wilder

    Affluent Gentleman (uncredited)

17. 

    Tim Ransom

    Dr. Rish

18. 

    Rose McIver

    Vivian Scully

19. 

    Julianne Nicholson

    Dr. Lillian DePaul

20. 

    Ann Dowd

    Estabrooks Masters

21. 

    Heléne Yorke

    Jane Martin

Crew 2