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 14

1. 

   Zoe McLellan

   Jennifer Coates

2. 

   Scott Paulin

   Captain Johnson

3. 

   Nanci Chambers

   Loren Singer

4. 

   Isabella Hofmann

   Meredith Cavanaugh

5. 

   Karri Turner

   Harriet Sims

6. 

   Chuck Carrington

   Petty Officer First Class Jason Tiner

7. 

   Tom Bresnahan

   Lt. Eddie Connelly

8. 

   Tamlyn Tomita

   Lt. Cmdr. Tracy Manetti

9. Brixton Karnes

   Cmdr. Cooper

10. Troy Ruptash

    Chief Kafenhaus

11. 

    Michael Kagan

12. 

    Miguel Angel Caballero

13. Andrew Heffernan

    Seaman

14. Bill Kemp

    P.O. Schecket

Ekipa 2