Peter Wyngarde
Norman Taylor
Peter Wyngarde
Norman Taylor
Janet Blair
Tansy Taylor
Margaret Johnston
Flora Carr
Anthony Nicholls
Harvey Sawtelle
Colin Gordon
Lindsay Carr
Kathleen Byron
Evelyn Sawtelle
Reginald Beckwith
Harold Gunnison
Jessica Dunning
Hilda Gunnison
Norman Bird
Doctor
Judith Stott
Margaret Abbott
Bill Mitchell
Fred Jennings
Paul Frees
Prologue Narrator (voice) (uncredited)
Frank Singuineau
Truck Driver (uncredited)
George Roubicek
Cleaner (uncredited)
Gary Woolf
Relief Driver (uncredited)
Albert Fennell
Producer
Richard Matheson
Writer
Reginald H. Wyer
Director of Photography
Fritz Leiber Jr.
Novel
Ralph Sheldon
Editor
Sidney Hayers
Director
Charles Beaumont
Writer
Samuel Z. Arkoff
Producer
William Alwyn
Original Music Composer
Sophie Devine
Costume Design
Basil Newall
Makeup Artist
Iris Tilley
Hairstylist
Eric Bayman
Sound Recordist
Gerry Turpin
Camera Operator
Jack Shampan
Art Direction
Len Shilton
Sound Recordist
George Baxt
Writer