Season Regulars 6

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. 

   Kevin Hanchard

   Detective Arthur 'Art' Bell

6. 

   Evelyne Brochu

   Delphine Cormier

Guest Stars 18

1. 

   Josh Vokey

   Scott Smith

2. 

   Ari Millen

   Mark / Rudy / Miller / Ira

3. 

   Kristian Bruun

   Donald 'Donnie' Hendrix

4. 

   Skyler Wexler

   Kira Manning

5. 

   Michiel Huisman

   Cal Morrison

6. 

   Millie Davis

   Gemma Hendrix

7. 

   Drew Davis

   Oscar Hendrix

8. 

   Zoé De Grand Maison

   Gracie Johanssen

9. 

   Andrew Gillies

   Ethan Duncan

10. 

    Tom McCamus

    Dr. Alan Nealon

11. 

    Louise Nicol

    Donnie's Mother

12. 

    Cynthia Galant

    Young Rachel / Charlotte

13. 

    Michelle Forbes

    Dr. Marion Bowles

14. 

    Allan Turner

    Young Ethan Duncan

15. 

    Vanessa Burns

    Nurse

16. 

    John Nelles

    Male Nurse

17. 

    Dan MacDonald

    Martin Funt

18. 

    Doug MacLeod

    Justice of the Peace

Crew 14