Tom Baker
The Doctor
Tom Baker
The Doctor
Lalla Ward
Romana
David Brierly
K9 (voice)
Lewis Fiander
Tryst
David Daker
Rigg
Geoffrey Bateman
Dymond
Jennifer Lonsdale
Della
Stephen Jenn
Secker
Richard Barnes
Crewman
Barry Andrews
Stott
Geoffrey Hinsliff
Officer Fisk
Peter Craze
Officer Costa
Annet Peters
Passenger
Lionel Sansby
Passenger
Maggie Petersen
Passenger
Sebastian Stride
Crewman
Eden Phillips
Crewman
Rupert Jarvis
Costume Design
Roger Cann
Production Design
Joan Stribling
Makeup Artist
Carolyn Montagu
Production Assistant
Peter Hider
Camera Operator
Dick Mills
Special Sound Effects
Warwick Fielding
Lighting Director
Anthony Philpott
Sound
Rod Waldron
Editor
Colin Mapson
Visual Effects
Alan Bromly
Director
Bob Baker
Writer
Graham Williams
Producer
Graham Williams
Director
Douglas Adams
Script Editor
Dudley Simpson
Original Music Composer
Mitch Mitchell
Visual Effects
Delia Derbyshire
Theme Song Performance