Cast
Jon Pertwee
The Doctor
Patrick Troughton
The Doctor
William Hartnell
The Doctor
Katy Manning
Jo Grant
Nicholas Courtney
Brigadier Lethbridge-Stewart
John Levene
Sergeant Benton
Stephen Thorne
Omega
Rex Robinson
Doctor Tyler
Roy Purcell
President of the Council
Laurie Webb
Mr. Ollis
Clyde Pollitt
Chancellor
Graham Leaman
Time Lord
Patricia Prior
Mrs. Ollis
Denys Palmer
Corporal Palmer
Crew
Directing
Lennie Mayne
Director
Editing
Jim Walker
Editor
Sound
Dudley Simpson
Original Music Composer
Delia Derbyshire
Theme Song Performance
Derek Miller-Timmins
Sound
Visual Effects
Michealjohn Harris
Visual Effects
