Season Regulars 4

1. 

   Roy Thinnes

   David Vincent

2. 

   Diana Hyland

   Sherri Vikor

3. 

   William Windom

   Major Rick Graves

4. 

   Kent Smith

   Stan Arthur

Guest Stars 13

1. 

   William Windom

   Michael Tressider

2. 

   Eduard Franz

   Premier Thor Halvorsen

3. 

   Michael Rennie

   Vice Chancellor Pierre Alquist

4. 

   Diana Hyland

   Ellie Markham

5. 

   Richard Eastham

   Carl Vanders

6. John Mayo

   Alien

7. Jay Lanin

   Alquist's Aide

8. Lew Brown

   Aide

9. 

   Albert Carrier

   Frenchman

10. 

    Morgan Jones

    Guard

11. 

    Don Ross

    Reporter

12. Hank Simms

    Journalist

13. 

    Troy Melton

    Journalist

Crew 4