Full Cast
-
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
-
George Spence
Man on Bus (uncredited)
