Cast

Ralph Richardson

Prof. Heatherville

Raymond Huntley

Prof. Laxton-Jones

John Laurie

Dr. McVitie

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Ernest Jay

Dr. Dainty

David Tomlinson

Mr. Watlington

Finlay Currie

Sir Duncan Wills

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Norman Webb

Dr. Wainwright

Michael Hordern

Lt. Cmdr. Lowther

Pamela Matthews

Mrs. Watlington

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Joan Haythorne

Mrs. Laxton-Jones

Crew

Peter Ustinov

Director (Directing)

Peter Ustinov

Writer (Writing)

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John Cook

Sound Recordist (Sound)

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Tony Sforzini

Makeup Artist (Costume & Make-Up)

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Gilbert Taylor

Camera Operator (Camera)

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Vivienne Walker

Hairstylist (Costume & Make-Up)

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Filippo Del Giudice

Executive Producer (Production)

Michael Anderson

Assistant Director (Directing)

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Harry Miller

Sound Editor (Sound)

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Paul Sheriff

Supervising Art Director (Art)