Cast

Maurice Denham

Dr. Lunn

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John Robinson

Lloyd Crichton

Robert Ayres

Boardman

Leslie Sands

Superintendent Travers

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Jan Conrad

Igor Petrov

John Barron

Henry Walpole

Robert James

James Cartright

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Jennifer Wright

Mary Harkness

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Paddy Webster

Helen Dawson

Carmel McSharry

Bella

Crew

Jimmy Sangster

Writer (Writing)

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Wilfred Eades

Director (Directing)

Sydney Newman

Producer (Production)

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Voytek

Production Design (Art)