시즌 정규 출연진 6

1. 

   안나 토브

   Olivia Dunham

2. 

   조슈아 잭슨

   Peter Bishop

3. 

   John Noble

   Walter Bishop

4. 

   랜스 레딕

   Phillip Broyles

5. 

   Blair Brown

   Nina Sharp

6. 

   Jasika Nicole

   Astrid Farnsworth

특별출연 28

1. 

   Seth Gabel

   Lincoln Lee

2. 

   Ryan McDonald

   Alternate Brandon Fayette

3. 

   Kirk Acevedo

   Alternate Charlie Francis

4. 

   Philip Winchester

   Frank Stanton

5. 

   Michael Eklund

   Milo Stanfield

6. 

   Kacey Rohl

   Madeline Stanfield

7. 

   Malcolm Stewart

   Dr. Levin

8. 

   C. Ernst Harth

   Bus Driver

9. 

   Kyra Zagorsky

   Nurse

10. 

    Larissa Stadnichuk

    Jillian Foster

11. 

    Rocky Anderson

    Police Officer

12. 

    Charles Andre

    Older Gentleman

13. Paul Bae

    Delivery Man

14. 

    Doug Chapman

    Jeffrey Mayer

15. 

    Dave Collette

    Marco

16. 

    Graeme Duffy

    Male Victim

17. Winnie Hung

    Bus Passenger

18. Ntsiki Kheswa

    Female Patient

19. 

    Georgia Hacche

    Female EMT

20. 

    Matthew Mandzij

    Fringe Agent

21. 

    Kimani Ray Smith

    Bike Messenger

22. 

    Sal Sortino

    Grocer

23. 

    Adam Thomas

    Male EMT

24. 

    Daesha Danielle Usman

    Receptionist

25. 

    Jason Vaisvila

    Homeless Man

26. 

    Gabriela Reynoso

    Female Victim

27. Christopher Kim Sing

    Teenage Boy

28. Kristopher West

    Lawyer

제작진 4