출연진
Jon Pertwee
The Doctor
Katy Manning
Jo Grant
Nicholas Courtney
Brigadier Lethbridge-Stewart
Richard Franklin
Captain Mike Yates
John Levene
Sergeant Benton
Roger Delgado
The Master
Paul Grist
Bill Filer
Peter Bathurst
Chinn
Fernanda Marlowe
Corporal Bell
Donald Hewlett
George Hardiman
David Savile
Winser
Derek Ware
Pigbin Josh
Bernard Holley
Axon Man
Michael Walker
1st Radio Operator
David March
2nd Radio Operator
Patricia Gordino
Axon Woman
John Hicks
Axon Boy
Debbie Lee London
Axon Girl
Tim Pigott-Smith
Captain Harker
Kenneth Benda
The Minister
Royston Farrell
Technician