Stała obsada sezonu 8

1. 

   Jennifer Garner

   Sydney Bristow

2. 

   Michael Vartan

   Michael Vaughn

3. 

   Victor Garber

   Jack Bristow

4. 

   Ron Rifkin

   Arvin Sloane

5. 

   Carl Lumbly

   Marcus Dixon

6. 

   Kevin Weisman

   Marshall Flinkman

7. 

   Merrin Dungey

   Francie Calfo

8. 

   Bradley Cooper

   Will Tippin

Goście specjalni 8

1. 

   David Anders

   Julian Sark

2. 

   Sarah Shahi

   Jenny

3. 

   Amy Irving

   Emily Sloane

4. 

   Ken Olin

   David McNeil (uncredited)

5. Don Took

   Agent Grey

6. 

   Michelle Arthur

   Abigail

7. 

   Jorgo Ognenovski

   Lavro Kessar

8. 

   Bryan Rasmussen

   Officer Cohen

Ekipa 3