Cast

Terence Morgan

Inspector Ralph Brown

Yolande Donlan

Jill Wilson

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Anthony Oliver

Inspector Newcombe

André Morell

Robert Isaac Pitt

Reginald Beckwith

Harold

Ursula Howells

Antonia Pitt

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Guido Lorraine

Pietr Revski

Basil Dignam

Wing Commander Riddle

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Raymond Rollett

Sir Robert Rosper

Fred Johnson

Professor Robinson-Heston

Crew

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Leonard Mosley

Novel (Writing)

Val Guest

Screenplay (Writing)

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Val Valentine

Screenplay (Writing)

Val Guest

Director (Directing)

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Bernard Lewis

Camera Operator (Camera)