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David Simeon as Alan Crich |
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Bernard Lee as Beeley |
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Una Brandon-Jones as Mrs. Clemson |
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David Neal as Leach |
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Marjorie Yates as Mrs. Leach |
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John Golightly as Coker |
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Raymond Platt as Tom Start |
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Ray Dunbobbin as Jimmy |
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Philip Gilman as Leach's Son |
| Art | Michael Eve | Production Design |
| Writing | Nigel Kneale | Writer |
| Production | Nicholas Palmer | Producer |
| Sound | Roger Knight | Sound Director |
| Directing | John Cooper | Director |
