George Archibald Potts
Zekov
Tania
Sir Hubert Wells
Barnes
Mrs. Tidmarsh
Russian Agent (uncredited)
Prime Minister
Rakov
Pike
Barworth Controller
Barworth Superintendent
Barworth Director
Professor Layton
Smedley
Minister of Health
1st Cabinet Minister
2nd Cabinet Minister
1st Reporter
Schoolmaster
Jersey Sailor
Jersey Waiter
Gaston
Aubrey
Cecilia
Mrs. Tweedy
Jersey Air Hostess
Madame
Deutsch
Trubiev
Roblettski
1st M.V.D.
2nd M.V.D.
Russian Sentry
Russian Security Officer
Russian Director of Plant
Russian Doctor
British N.C.O.
1st U.S. Soldier
2nd U.S. Soldier
British Officer
Border Police GDR (uncredited)
