Cast

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

Crew

Mario Zampi

Director (Directing)

Stanley Black

Original Music Composer (Sound)

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Michael Pertwee

Screenplay (Writing)

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Jack Davies

Screenplay (Writing)

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Stanley Pavey

Director of Photography (Camera)

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Giulio Zampi

Editor (Editing)

Mario Zampi

Producer (Production)

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Ivan King

Art Direction (Art)