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Robert Webber as Chris Smith |
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Anthony Newlands as Dr. Keller |
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Jennifer Jayne as Gina McConnell |
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Maurice Denham as Hemmings |
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Lelia Goldoni as Denise James |
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Peter Woodthorpe as Marcus Allan |
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Sandra Boize as English Girl |
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Sue Lloyd as French Girl |
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Marianne Stone as Miss Grogan |
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Irene Richmond as Mrs. Keller |
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Kiwi Kingston as French Girl's Husband |
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John Arnatt as Mr. James |
| Directing | Freddie Francis | Director |
| Production | Don Weeks | Production Manager |
| Costume & Make-Up | Alex Garfath | Makeup Artist |
| Writing | Jimmy Sangster | Writer |
| Sound | Don Banks | Original Music Composer |
| Art | Edward Carrick | Production Design |
| Production | Jimmy Sangster | Producer |
| Camera | John Wilcox | Director of Photography |
