Cast
George Sanders
Gordon Zellaby
Barbara Shelley
Anthea Zellaby
Martin Stephens
David Zellaby
Michael Gwynn
Alan Bernard
Laurence Naismith
Dr. Willers
Richard Warner
Harrington
Jenny Laird
Mrs. Harrington
Sarah Long
Evelyn Harrington
Thomas Heathcote
James Pawle
Charlotte Mitchell
Janet Pawle
Pamela Buck
Milly Hughes
Rosamund Greenwood
Miss Ogle
Susan Richards
Mrs. Plumpton
Bernard Archard
Vicar
Peter Vaughan
P.C. Gobby
John Phillips
General Leighton
Richard Vernon
Edgar Hargraves
John Stuart
Professor Smith
Keith Pyott
Dr. Carlisle
Alexander Archdale
Coroner
Sheila Robins
Nurse
Tom Bowman
Pilot
Anthony Harrison
Lieutenant
Diane Aubrey
WRAC Secretary
Gerald Paris
Sapper
June Cowell
Child
Linda Bateson
Child
John Kelly
Child
Carla Cura
Child
Lesley Scoble
Child
Mark Mileham
Child
Roger Malik
Child
Elizabeth Munden
Child
Teri Scoble
Child
Peter Preidel
Child
Peter Taylor
Child
Howard Knight
Child
Brian Smith
Village Child
Janice Howley
Village Child
Paul Norman
Village Child
Robert Marks
Village Child
John Bush
Village Child
Billy Lawrence
Village Child
Denis Gilmore
Keith older brother (uncredited)
Crew
John Wyndham
Novel
(Writing)
Ron Goodwin
Original Music Composer
(Sound)
Gordon Hales
Editor
(Editing)
Stirling Silliphant
Screenplay
(Writing)
Ronald Kinnoch
Screenplay
(Writing)
Wolf Rilla
Director
(Directing)
Ronald Kinnoch
Producer
(Production)
Geoffrey Faithfull
Director of Photography
(Camera)
Wolf Rilla
Screenplay
(Writing)
Ivan King
Art Direction
(Art)
Joan Johnstone
Hairstylist
(Costume & Make-Up)
Denis Johnson
Production Manager
(Production)
Tom Howard
Visual Effects
(Visual Effects)
Eric Aylott
Makeup Artist
(Costume & Make-Up)
Michael Stevenson
Third Assistant Director
(Directing)