Elenco
Tom Baker
The Doctor
Elisabeth Sladen
Sarah Jane Smith
Ian Marter
Harry Sullivan
Nicholas Courtney
Brigadier Lethbridge-Stewart
John Levene
RSM Benton
Patricia Maynard
Miss Winters
Michael Kilgarriff
The Robot
Edward Burnham
Professor Kettlewell
Alec Linstead
Jellicoe
Timothy Craven
Short
Clive Barrie
Phillips
Walter Goodman
Joseph Chambers
Jon Pertwee
The Doctor
Equipe
Christopher Barry
Director
Terrance Dicks
Writer
Robert Holmes
Script Editor
Barry Letts
Producer
Dudley Simpson
Original Music Composer
James Acheson
Costume Design
Ian Rawnsley
Production Design
Judy Clay
Makeup Artist
Peter Grimwade
Production Assistant
Dick Mills
Special Sound Effects
Nigel Wright
Lighting Director
John Holmes
Sound
Trevor Webster
Sound
John Mason
Lighting Director
Vic Godrich
Sound
Clifford Culley
Visual Effects
George Gallaccio
Production Manager
Delia Derbyshire
Theme Song Performance