Cast

Margaret Lockwood

Frances Gray

Dane Clark

Bill Casey

Marius Goring

Commandant Anton Razinski

Naunton Wayne

Mr. Hedgerley

Wilfrid Hyde-White

Mr. Luke

Eugene Deckers

Alf

Olaf Pooley

Detective-Interrogator

Gladys Henson

Attendant

Paul Hardtmuth

Priest

Michael Hordern

Lab Director Owens

Crew

Roy Ward Baker

Director (Directing)

Eric Ambler

Writer (Writing)

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Antony Darnborough

Producer (Production)

Earl St. John

Executive Producer (Production)

Richard Addinsell

Original Music Composer (Sound)

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Reginald H. Wyer

Director of Photography (Camera)

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Alfred Roome

Editor (Editing)