Cast

Ronald Lewis

Dr. Max Harrow

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John Gabriel

Smiffershon

Jane Downs

Diana Harrow

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Richard Gale

Dr. Gordon Faulkner

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Delena Kidd

Dr. Laura Denville

Moultrie Kelsall

Prof. Leach

George Woodbridge

Det. Sgt. Cloudby

Peter Bowles

Policeman

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Blake Butler

Anderson

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Laidlaw Dalling

Radiographer

Crew

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Leon Griffiths

Adaptation (Writing)

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John Brunner

Story (Writing)

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George Spenton-Foster

Associate Producer (Production)

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Roger Jenkins

Director (Directing)

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Irene Shubik

Producer (Production)