Barry Jones
Professor John Malcolm Francis Willingdon
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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
Dennis Fox
Camera Operator
Bert Ross
Sound Recordist
John Elphick
Production Design
Mike Johnson
Assistant Director
John Boulting
Editor
John Palmer
Production Manager
Roy Boulting
Editor
Hubert Clifford
Conductor
Ray Sturgess
Camera Operator
Robert Huke
Camera Operator
U. P. Hutchinson
Makeup Artist
Ann Chegwidden
Assistant Sound Editor
Peter De Sarigny
Associate Producer
Gerald Moss
Camera Operator
Bert Eggleton
Sound Editor
Roy Boulting
Director
John Boulting
Director
John Addison
Original Music Composer
James Bernard
Story
Paul Dehn
Story
John Boulting
Producer
Dorothy Holloway
Casting
Roy Boulting
Producer
Honoria Plesch
Costume Design
Gilbert Taylor
Director of Photography
Roy Boulting
Screenplay
Shirley Barnes
Continuity
Frank Harvey
Screenplay
Eric Cass
Boom Operator