Cast

Guy Rolfe

Dr. Mark Fenton

Lisa Daniely

Lisa Durand

Patricia Dainton

Sister Rogers

Sydney Tafler

Wade

Ballard Berkeley

Inspector Austin

Anton Diffring

Edward Shroder

Brian Worth

Geoffrey Terry

Avice Landone

Mrs. Terry

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Eric Berry

Col. Williams

James Raglan

Sir Oliver Peters

Crew

John Guillermin

Director (Directing)

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Denis Johnson

Assistant Director (Directing)

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Francis Durbridge

Story (Writing)

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A.R. Rawlinson

Writer (Writing)

John Guillermin

Writer (Writing)