Stała obsada sezonu 4

1. 

   David James Elliott

   Harmon Rabb

2. 

   Catherine Bell

   Sarah MacKenzie

3. 

   Patrick Labyorteaux

   Bud Roberts

4. 

   John M. Jackson

   AJ Chegwidden

Goście specjalni 13

1. 

   Carmen Argenziano

   Matthew O'Hara

2. 

   Sal Landi

   Sergeant Riske

3. 

   Tom O'Brien

   Captain Cahill

4. 

   Kipp Shiotani

   Agent Ito

5. 

   Ingo Neuhaus

   Sergeant Garret

6. 

   Robert Knott

   Billie

7. 

   Melody Rogers

   ZNN Anchor

8. 

   Jody Wood

   Postal Driver

9. 

   D. Elliot Woods

   FBI Agent

10. 

    Craig Barnett

    Public Official

11. 

    Steven Culp

    Clayton Webb

12. John Roselius

    Admiral Drake

13. 

    Chuck Carrington

    Jason Tiner

Ekipa 6