季固定演员 2

1. 

   Jon Pertwee

   The Doctor

2. 

   Caroline John

   Liz Shaw

客串演员 12

1. 

   Ronald Allen

   Ralph Cornish

2. 

   William Dysart

   Reegan

3. Ric Felgate

   Van Lyden

4. Joanna Ross

   Control Room Assistant

5. Carl Conway

   Control Room Assistant

6. Peter Noel Cook

   Alien Space Captain

7. Steve Peters

   Lefee

8. Neville Simons

   Michaels

9. 

   Nicholas Courtney

   Brig. Lethbridge-Stewart

10. 

    Peter Halliday

    Aliens (voice)

11. 

    John Abineri

    General Carrington

12. 

    Max Faulkner

    UNIT Soldier (uncredited)

工作人员 8