Jon Pertwee
The Doctor
Cast (28)
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)
Crew (16)
Don Houghton
Writer
Timothy Combe
Director
Barry Letts
Producer
Terrance Dicks
Script Editor
Dudley Simpson
Music
Roger Harvey
Editor
Max Samett
Camera Operator
Chick Anthony
Sound
Bobi Bartlett
Costume Design
Jan Harrison Shell
Makeup Artist
Eric Monk
Lighting Director
Ray London
Production Design
Fred Hamilton
Camera Operator
Sam Upton
Editor
Howard Billingham
Editor
Jim Ward
Visual Effects