On screen
Cast
42 credited performers
George Cole
George Archibald Potts
Oskar Homolka
Zekov
Nadia Gray
Tania
Wilfrid Hyde-White
Sir Hubert Wells
Richard Wattis
Barnes
Irene Handl
Mrs. Tidmarsh
Christopher Lee
Russian Agent (uncredited)
Frederick Leister
Prime Minister
Frederick Valk
Rakov
Geoffrey Sumner
Pike
Ronald Adam
Barworth Controller
Edwin Styles
Barworth Superintendent
Kynaston Reeves
Barworth Director
Artwork unavailable
Ernest Jay
Professor Layton
Michael Medwin
Smedley
Henry Hewitt
Minister of Health
Walter Horsbrugh
1st Cabinet Minister
Artwork unavailable
Anthony Shaw
2nd Cabinet Minister
Tim Turner
1st Reporter
Gibb McLaughlin
Schoolmaster
Michael Balfour
Jersey Sailor
Hal Osmond
Jersey Waiter
Artwork unavailable
Charles Goldner
Gaston
Ronnie Stevens
Aubrey
Eleanor Summerfield
Cecilia
Artwork unavailable
Phyllis Morris
Mrs. Tweedy
Artwork unavailable
Myrtle Reed
Jersey Air Hostess
Ina De La Haye
Madame
David Hurst
Deutsch
Artwork unavailable
Bernard Rebel
Trubiev
Olaf Pooley
Roblettski
Guido Lorraine
1st M.V.D.
Terence Alexander
2nd M.V.D.
Richard Marner
Russian Sentry
Martin Boddey
Russian Security Officer
Gerard Heinz
Russian Director of Plant
Artwork unavailable
Fred Berger
Russian Doctor
Victor Maddern
British N.C.O.
Artwork unavailable
Reed De Rouen
1st U.S. Soldier
Artwork unavailable
Johnny Catcher
2nd U.S. Soldier
Willoughby Gray
British Officer
Anton Diffring
Border Police GDR (uncredited)