Season Regulars 7

1. 

   Tatiana Maslany

   Sarah / Cosima / Alison / Helena / Rachel

2. 

   Dylan Bruce

   Paul Dierden

3. 

   Jordan Gavaris

   Felix 'Fee' Dawkins

4. 

   Maria Doyle Kennedy

   Siobhan 'Mrs. S' Sadler

5. 

   Ari Millen

   Mark / Rudy / Miller / Ira

6. 

   Kristian Bruun

   Donald 'Donnie' Hendrix

7. 

   Evelyne Brochu

   Delphine Cormier

Guest Stars 23

1. 

   Josh Vokey

   Scott Smith

2. 

   Kevin Hanchard

   Detective Arthur 'Art' Bell

3. 

   Skyler Wexler

   Kira Manning

4. 

   Terra Hazelton

   Sarah Stubbs

5. 

   Zoé De Grand Maison

   Gracie Johanssen

6. 

   Patrick J. Adams

   Jesse

7. 

   Andrew Gillies

   Ethan Duncan

8. 

   Tom McCamus

   Dr. Alan Nealon

9. 

   Amanda Brugel

   Marci Coates

10. 

    Kyra Harper

    Dr. Virginia Coady

11. 

    Alison Steadman

    Kendall Malone

12. 

    Rosemary Dunsmore

    Professor Susan Duncan

13. 

    James Frain

    Ferdinand Chevalier

14. 

    Cynthia Galant

    Young Rachel / Charlotte

15. 

    Allan Turner

    Young Ethan Duncan

16. 

    Earl Pastko

    Bulldog

17. 

    Ksenia Solo

    Shay Davydov

18. Tom Barnett

    David Benchman

19. 

    Brittany Drisdelle

    DYAD Receptionist

20. 

    Kimmy Choi

    DYAD Orderly

21. 

    Azdin Zaman

    Meera's Husband / Voting Husband

22. 

    Alexis Koetting

    Voting Wife

23. 

    Christy Bruce

    Young Susan Duncan

Crew 9