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)
Samuel Z. Arkoff
Producer
Albert Fennell
Producer
Sidney Hayers
Director
Charles Beaumont
Writer
Reginald H. Wyer
Director of Photography
Fritz Leiber Jr.
Novel
Richard Matheson
Writer
William Alwyn
Original Music Composer
Ralph Sheldon
Editor
Sophie Devine
Costume Design
Gerry Turpin
Camera Operator
Jack Shampan
Art Direction
Basil Newall
Makeup Artist
Eric Bayman
Sound Recordist
Iris Tilley
Hairstylist
Len Shilton
Sound Recordist
George Baxt
Writer