Cast

Jean Simmons

Sophie Malraux

Trevor Howard

Maj. David Somers

Sonia Dresdel

Jess Fenton

Barry Jones

Nicholas Fenton

Kenneth More

Willy Shepley

Geoffrey Keen

Police Inspector

André Morell

Secret Service Chief Chubb (as Andre Morell)

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Michael Brennan

Police Superintendent

Gerard Heinz

Dr. Karl Cesare

Lily Kann

Minna Cesare

Crew

Geoffrey Unsworth

Director of Photography (Camera)

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Gordon Hales

Editor (Editing)

Janet Green

Original Story (Writing)

Janet Green

Screenplay (Writing)

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Betty E. Box

Producer (Production)

Ralph Thomas

Director (Directing)

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Benjamin Frankel

Original Music Composer (Sound)