Sinopsis
Sin sinopsis disponible.
Director
Christopher Barry
Reparto
William Hartnell
The Doctor
Jacqueline Hill
Barbara Wright
William Russell
Ian Chesterton
Maureen O'Brien
Vicki
Ray Barrett
Bennett / Koquillion
Tom Sheridan
Space Captain (voice)
John Stuart
Didonian (uncredited)
Colin Hughes
Didonian (uncredited)
