The Doctor
Jon Pertwee
Jo Grant
Katy Manning
Professor Philips
Christopher Burgess
Goodge
Andrew Staines
Rossini
John Baskcomb
Museum Attendant
Dave Carter
Farrell Senior
Stephen Jack
Mrs. Farrell
Barbara Leake
Strong Man
Roy Stewart
Brownrose
Dermot Tuohy
Telephone Mechanic
Norman Stanley
Auton Policeman
Terry Walsh
Brigadier Lethbridge-Stewart
Nicholas Courtney
Auton Leader
Pat Gorman
Auton (voice)
Hayden Jones
Troll Doll (uncredited)
Tommy Reynolds
Captain Mike Yates
Richard Franklin
Sergeant Benton
John Levene
The Master
Roger Delgado
Rex Farrel
Michael Wisher
McDermott
Harry Towb
Time Lord
David Garth
Radio Telescope Director
Frank Mills
Original Music Composer
Dudley Simpson
Producer
Barry Letts
Director
Script Editor
Terrance Dicks
Writer
Robert Holmes
Costume Design
Ken Trew
Lighting Director
Eric Monk
Editor
Geoffrey Botterill
Camera Operator
John Baker
Makeup Artist
Jan Harrison Shell
Visual Effects
Michael John Harris
Sound
Colin Dixon
Production Design
Ian Watson