Cast 30

1. 

   Jon Pertwee

   The Doctor

2. 

   Tom Baker

   The Doctor

3. 

   Elisabeth Sladen

   Sarah Jane Smith

4. 

   Nicholas Courtney

   Brigadier Lethbridge-Stewart

5. 

   Richard Franklin

   Mike Yates

6. 

   John Levene

   Sergeant Benton

7. John Dearth

   Lupton

8. Carl Forgione

   Land

9. Andrew Staines

   Keaver

10. Terence Lodge

    Moss

11. Christopher Burgess

    Barnes

12. John Kane

    Tommy

13. Kevin Lindsay

    Cho-Je

14. George Cormack

    K'anpo

15. 

    Cyril Shaps

    Professor Clegg

16. Chubby Oates

    Policeman

17. 

    Pat Gorman

    Soldier

18. Terry Walsh

    Man with Boat

19. Michael Pinder

    Hopkins

20. Stuart Fell

    Tramp

21. Geoffrey Morris

    Sabor

22. Ralph Arliss

    Tuar

23. 

    Gareth Hunt

    Arak

24. 

    Jenny Laird

    Neska

25. Joanna Monro

    Rega

26. Walter Randall

    Guard Captain

27. 

    Max Faulkner

    Guard Captain

28. Ysanne Churchman

    Spider Voice

29. Kismet Delgado

    Spider Voice

30. Maureen Morris

    Spider Voice

Crew 6