Elenco
Patrick Troughton
The Doctor
Frazer Hines
Jamie McCrimmon
Wendy Padbury
Zoe Heriot
James Copeland
Selris
James Cairncross
Beta
Gilbert Wynne
Thara
Philip Madoc
Eelek
Terence Brown
Abu
Madeleine Mills
Vana
Richard Ireson
Axus
Maurice Selwyn
Custodian
Bronson Shaw
Student
Roy Skelton
Kroton Voice
Patrick Tull
Kroton Voice
Robert La'Bassiere
Kroton
Miles Northover
Kroton
Equipe
David Maloney
Director
Robert Holmes
Writer
Peter Bryant
Producer
Terrance Dicks
Script Editor
Bill King
Visual Effects
Brian Hodgson
Original Music Composer
Delia Derbyshire
Theme Song Performance
Raymond London
Production Design
Brian Hodgson
Special Sound Effects
Howard King
Lighting Director
Sylvia James
Makeup Artist
John Holmes
Sound
Martyn Day
Editor
Alan Jonas
Camera Operator
Fred Wright
Technical Supervisor
Ron Blight
Sound