Michael E. Briant
Director
Malcolm Hulke
Writer
Barry Letts
Producer
Terrance Dicks
Script Editor
Michael Burdle
Costume Design
Peter Hall
Camera Operator
William Symon
Editor
Jan Harrison Shell
Makeup Artist
Bernard Wilkie
Visual Effects
Tim Gleeson
Production Design
Ralph Walton
Lighting Director
David Hughes
Sound
Dudley Simpson
Original Music Composer
Tony Millier
Sound
Jon Pertwee
The Doctor
Katy Manning
Jo Grant
Nicholas Courtney
Brigadier Lethbridge-Stewart
Roger Delgado
The Master
Nicholas Pennell
Winton
John Ringham
Ashe
David Webb
Leeson
Sheila Grant
Jane Leeson
Roy Skelton
Norton
Helen Worth
Mary Ashe
John Line
Martin
Mitzi McKenzie
Mrs. Martin
John Scott Martin
Robot
Pat Gorman
Primitive / Voice / Long / Colonist
Graham Leaman
Time Lord
Peter Forbes-Robertson
Time Lord
John Baker
Time Lord
Bernard Kay
Caldwell
Morris Perry
Captain Dent
Tony Caunter
Morgan
John Herrington
Holden
Stanley McGeagh
Alien
John Tordoff
Alec Leeson
Norman Atkyns
The Guardian
Roy Heymann
Alien Priest
