Doctor Who: The Mind of Evil
movie

Released March 06, 1971
Overview
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.
Cast

Jon Pertwee
as
The Doctor

Katy Manning
as
Jo Grant

Nicholas Courtney
as
Brigadier Lethbridge-Stewart

Richard Franklin
as
Captain Mike Yates

John Levene
as
Sergeant Benton

Roger Delgado
as
The Master

Pik-Sen Lim
as
Captain Chin Lee
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Raymond Westwell
as
Prison Governor

Michael Sheard
as
Dr. Roland Summers
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Simon Lack
as
Professor Kettering
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Fernanda Marlowe
as
Corporal Bell

Neil McCarthy
as
George Patrick Barnham
Crew

Don Houghton
as
Writer

Timothy Combe
as
Director

Barry Letts
as
Producer

Terrance Dicks
as
Script Editor
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Roger Harvey
as
Editor
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Max Samett
as
Camera Operator
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Chick Anthony
as
Sound
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Jan Harrison Shell
as
Makeup Artist
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Eric Monk
as
Lighting Director
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Ray London
as
Production Design
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Fred Hamilton
as
Camera Operator
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Sam Upton
as
Editor