Season Regulars 7

1. 

   Eliza Dushku

   Echo / Caroline Farrell

2. 

   Fran Kranz

   Topher Brink

3. 

   Olivia Williams

   Adelle DeWitt

4. 

   Dichen Lachman

   Sierra

5. 

   Enver Gjokaj

   Victor

6. 

   Tahmoh Penikett

   Paul Ballard

7. 

   Harry Lennix

   Boyd Langton

Guest Stars 15

1. 

   Summer Glau

   Bennett Halverson

2. 

   Liza Lapira

   Ivy

3. 

   Philip Casnoff

   Clive Ambrose

4. 

   Reed Diamond

   Laurence Dominic

5. 

   Rick Otto

   Gabe

6. 

   Miracle Laurie

   Madeline Costley

7. Katie Chonacas

   Nikole

8. 

   Jay Malone

   Clyde Randolph

9. 

   Megan Heyn

   Cafe Girl #2

10. 

    Billy Snow

    Test Subject #2

11. 

    Rhashan Stone

    Test Subject

12. 

    Rick Fox

    Gary Walden (uncredited)

13. 

    Dennis Keiffer

    Ambrose's Man (uncredited)

14. Mike Massa

    Apollo (uncredited)

15. 

    Amy Acker

    Dr. Claire Saunders

Crew 2