
description About
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.
Info
- verified Status: Released
- calendar_month Release Date: 1971-03-06
- video_camera_front Companies BBC
- timer Runtime: 150 Mins
- star Rating: 7.2 / 10
- favorite Likes: 8 Likes
- info IMDB ID
- visibilityViews:
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smart_display Cast

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

Pik-Sen Lim
Captain Chin Lee

Raymond Westwell
Prison Governor

Michael Sheard
Dr. Roland Summers

Simon Lack
Professor Kettering

Fernanda Marlowe
Corporal Bell

Neil McCarthy
George Patrick Barnham

Clive Scott
Arthur Linwood

Roy Purcell
Chief Prison Officer Powers

Eric Mason
Senior Prison Officer Green

Bill Matthews
Prison Officer

Barry Wade
Prison Officer

Dave Carter
Prison Officer

Martin Gordon
Prison Officer

William Marlowe
Mailer

Hayden Jones
Vosper

Kristopher Kum
Fu Peng

Tommy Duggan
Senator Alcott

David Calderisi
Charlie

Patrick Godfrey
Major Cosworth

Johnny Barrs
Fuller

Matthew Walters
Main Gates Prisoner

Timothy Combe
Prisoner (uncredited)
groups Crew

Timothy Combe
Director

Don Houghton
Writer

Terrance Dicks
Script Editor

Barry Letts
Producer

Jim Ward
Visual Effects

Jan Harrison Shell
Makeup Artist

Eric Monk
Lighting Director

Chick Anthony
Sound

Ray London
Production Design

Fred Hamilton
Camera Operator

Max Samett
Camera Operator

Howard Billingham
Editor

Sam Upton
Editor

Roger Harvey
Editor

Bobi Bartlett
Costume Design

Dudley Simpson
Original Music Composer

Delia Derbyshire
Theme Song Performance
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