Doctor Who
Peter Cushing
Tom Campbell
Bernard Cribbins
Thompson
Eddie Powell
Lead Roboman
Steve Peters
Roboman
Geoffrey Cheshire
Old Woman
Eileen Way
Young Woman
Sheila Steafel
David
Ray Brooks
Wyler
Andrew Keir
Susan
Roberta Tovey
Louise
Jill Curzon
Dortmun
Godfrey Quigley
Wells
Roger Avon
Conway
Keith Marsh
Brockley
Philip Madoc
Original Story
Terry Nation
Producer
Milton Subotsky
Screenplay
Additional Writing
David Whitaker
Executive Producer
Joe Vegoda
Director
Gordon Flemyng
Max Rosenberg
Director of Photography
John Wilcox
Original Music Composer
Bill McGuffie
Editor
Ann Chegwidden
Special Effects
Ted Samuels
Art Direction
George Provis