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Donald Houston as Dr. Francis |
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James Hunter as Abel Granger |
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John Abineri as Col. Chalmers |
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Noel Johnson as Gen. Short |
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Robert James as Dr. Kersh |
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John Line as |
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Robert Russell as |
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Lionel Stevens as |
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Wendy Johnson as Mrs. Peters |
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Carla Challoner as |
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Karl Lanchbury as |
| Directing | Peter Potter | Director |
| Writing | J.G. Ballard | Story |
| Writing | Stanley Miller | Adaptation |
| Writing | Irene Shubik | Story Editor |
| Production | Irene Shubik | Producer |
| Production | George Spenton-Foster | Associate Producer |
| Art | Trevor Williams | Production Design |
| Sound | Norman Kay | Theme Song Performance |
| Sound | Norman Kay | Original Music Composer |
