A British Sanitary Engineer, goes on holiday with a set of plans for a new secret weapon which he has mistaken for his new plumbing invention. Everyone is hunting for him, including the Russians. The Russians find him and offer him a job in the Kremlin doing research (on plumbing he believes). He accepts, arrives in Russia and falls in love with Tania, a secret agent. And then discovers the true nature of the plans he is carrying...


Top Secret (1952)
The story of the Diplomat, The Plumber and the Beautiful Spy
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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