Barry Jones
Professor John Malcolm Francis Willingdon
Barry Jones
Professor John Malcolm Francis Willingdon
André Morell
Superintendent G.W. Folland
Olive Sloane
Goldie Phillips
Sheila Manahan
Ann Willingdon
Hugh Cross
Stephen Lane
Joan Hickson
Mrs. Emily Georgina Peckett
Ronald Adam
Arthur Lytton, the Prime Minister
Marie Ney
Mrs. Willingdon
Joss Ackland
Station Policeman
Marianne Stone
Woman in Phone Box
John Stratton
Army Mechanic
Ray Sturgess
Camera Operator
John Elphick
Production Design
Peter De Sarigny
Associate Producer
John Palmer
Production Manager
Mike Johnson
Assistant Director
Robert Huke
Camera Operator
Gerald Moss
Camera Operator
Dennis Fox
Camera Operator
Bert Ross
Sound Recordist
U. P. Hutchinson
Makeup Artist
Bert Eggleton
Sound Editor
Ann Chegwidden
Assistant Sound Editor
Hubert Clifford
Conductor
John Boulting
Editor
Roy Boulting
Editor
Roy Boulting
Director
John Boulting
Director
Roy Boulting
Screenplay
Frank Harvey
Screenplay
Paul Dehn
Story
James Bernard
Story
Gilbert Taylor
Director of Photography
John Addison
Original Music Composer
Honoria Plesch
Costume Design
Shirley Barnes
Continuity
John Boulting
Producer
Roy Boulting
Producer
Dorothy Holloway
Casting
Eric Cass
Boom Operator