Calificación
Reparto

William Hartnell
The Doctor

Jackie Lane
Dodo Chaplet

Anneke Wills
Polly

Michael Craze
Ben Jackson

John Harvey
Professor Brett

John Cater
Professor Krimpton

William Mervyn
Sir Charles Summer

Alan Curtis
Major Green

Gerald Taylor
War Machine Operator/The Voice of WOTAN

Sandra Bryant
Kitty

Ewan Proctor
Flash Customer

George Cross
The Minister

Kenneth Kendall
Himself

Ric Felgate
American Journalist

Carl Conway
American Journalist

John Doye
Interviewer