Rating
70%
Genres
Languages
Countries
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Release Date
06 Mar, 1971
Runtime
02:30: (HH:MM)
Synopsis
Professor Emil Keller has created a machine that can pacify even the most dangerous of criminals. But when the Doctor and Jo arrive at Stangmoor Prison for a demonstration, things start to go horribly wrong - especially when they discover that the Doctor's old enemy the Master is responsible for the machine.
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Actors
Jon Pertwee
Katy Manning
Nicholas Courtney
Richard Franklin
John Levene
Roger Delgado
Pik-Sen Lim
Michael Sheard
Neil McCarthy
William Marlowe
Crew
Barry Letts
Terrance Dicks
Dudley Simpson
