Season Regulars 4

1. 

   Anna Torv

   Olivia Dunham

2. 

   Joshua Jackson

   Peter Bishop

3. 

   John Noble

   Walter Bishop

4. 

   Jasika Nicole

   Astrid Farnsworth

Guest Stars 12

1. 

   Michael Cerveris

   The Observer / September

2. 

   Sage Brocklebank

   Loyalist Guard

3. 

   Ian Butcher

   Second Observer

4. Steve Elliott

   Loyalist At Station

5. Adam Henderson

   Observer in Conference Room

6. Cory Leclerc

   Ticket Agent

7. Terry Mullett

   Observer In Tank

8. 

   Jordan Schartner

   Subordinate Observer

9. Kristian Thorson

   Lead Observer Scientist

10. 

    Michael Kopsa

    Captain Windmark

11. Rowan Longworth

    Michael

12. 

    James Kidnie

    The Commander

Crew 2