Cast

Patric Curwen

Dr. Lomond

Esmond Knight

John Lenley

John Longden

Inspector Wembury

Carol Goodner

Cora Ann Milton

Gordon Harker

Samuel Hackett

Franklin Dyall

Maurice Meister

Dorothy Bartlam

Mary Lenley

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Henry Hallatt

Inspector Bliss

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Arthur Stratton

Sgt. Carter

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Kathleen Joyce

Gwenda Milton

Crew

Angus MacPhail

Writer (Writing)

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Bryan Edgar Wallace

Production Manager (Production)

Walter Forde

Director (Directing)

Sidney Gilliat

Additional Dialogue (Crew)

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Harold V. King

Sound (Sound)

Edgar Wallace

Novel (Writing)

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Leslie Rowson

Director of Photography (Camera)

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Rosaire Rutland

Continuity (Directing)

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Alex Bryce

Director of Photography (Camera)

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Ian Dalrymple

Editor (Editing)