Full Cast
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Paul Carpenter
Val Neal
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Patricia Roc
Mary Foster
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Roland Culver
Dr. Francis Pelham
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William Hartnell
Inspector Ross
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Gordon Boyd
Detective Sergeant Davis
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Edgar Driver
Atkins
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Tom Tann
Wang
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Ellen Pollock
Miss Barbara Barton
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Robert Sansom
Senior Test Flight Official
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Martin Wyldeck
Dr. Bradford
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John Serret
Dr. Martin
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Oliver Johnston
Dr. Kenyon
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Kay Callard
Susie
