Cast

James Donald

Michael Heathley

Phyllis Calvert

Lydia Heathley

Noel Willman

Dr. Dennis Bord

Herbert Lom

Dr. Alex Leon

Robert Beatty

Maj. Sam Seagram

Patric Doonan

Brian Jackson

Walter Fitzgerald

Sir Charles Craddock

Muriel Pavlow

Caroline Cartier

Maurice Denham

Prof. Carrington

Marjorie Fielding

Michael's Mother

Crew

Anthony Asquith

Director (Directing)

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Arthur Alcott

Production Controller (Crew)

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Hugh Attwooll

Production Manager (Production)

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Bryan Langley

Special Effects (Crew)

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Bill Warrington

Special Effects (Crew)

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Yvonne Axeworthy

Continuity (Directing)

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Muir Mathieson

Conductor (Sound)

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H. A. R. Thomson

Camera Operator (Camera)

George Pollock

Assistant Director (Directing)

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W.T. Partleton

Makeup Artist (Costume & Make-Up)