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Keith Barron as Colin Trafford |
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Tracy Reed as Ottilie Harsham |
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Noel Howlett as Dr. Harsham |
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Bernard Brown as Martin |
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Carole Boyer as Gerry |
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Arnold Ridley as Munnings |
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Charles Lamb as George |
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Beatrice Kane as Mrs. Walters |
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Bernard Finch as Trevor |
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Reg Peters as Bates |
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Anna Darlington as Laura |
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Beryl Cooke as Mrs. Gale |
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George Lee as Taxi Driver |
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Molly Weir as Nurse Maclean |
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MacDonald Hobley as Newsreader |
| Directing | Christopher Barry | Director |
| Writing | Owen Holder | Adaptation |
| Writing | Roger Parkes | Script Editor |
| Production | Alan Bromly | Producer |
| Art | Roy Oxley | Production Design |
| Crew | Roberta Gibbs | Stunt Double |
| Writing | John Wyndham | Short Story |
