Cast

Bernard Lee

Det. Supt. Meredith

Alexander Knox

Colonel Calderwood

Moira Redmond

Diana Marsh

William Russell

Mike Stafford

Richard Vernon

John Crewe

Richard Warner

Mark Speller

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John Gabriel

Monet

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Jack Rodney

Gregory

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Stanley Morgan

Det. Sgt. Anson

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Robert Percival

Mr. Britton

Crew

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Gerard Glaister

Director (Directing)

Edgar Wallace

Original Story (Writing)

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Philip Mackie

Screenplay (Writing)

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Jack Greenwood

Producer (Production)

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Bernard Ebbinghouse

Original Music Composer (Sound)

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Bert Mason

Director of Photography (Camera)

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Bernard Gribble

Editor (Editing)

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Ronnie Curtis

Casting Director (Production)

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Peter Mullins

Art Direction (Art)

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Hilda Fox

Hairdresser (Costume & Make-Up)