Cast

Louis Jourdan

Duke Philippe de Beauvais

Belinda Lee

Virginia Traill

Keith Michell

Colonel St. Gerard

Richard O'Sullivan

Louis XVII / Richard de Beauvais

Martita Hunt

Lady Lydia Fell

Finlay Currie

Mr. Patient

Anne Heywood

Glynis

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Brian Rawlinson

Dylan Evans

Terence Longdon

Sir Frederick Venner

Frederick Leister

Capt. Andrew Ogden

Crew

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Brian Desmond Hurst

Director (Directing)

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Robin Estridge

Screenplay (Writing)

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Vaughan Wilkins

Novel (Writing)

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Mike Fox

Clapper Loader (Camera)