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Gene Barry as Michael A. Donovan |
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Joan Collins as Anne Langley |
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Richard Todd as Col. Victor Redmayne |
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Tom Adams as Peter Langley |
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Suzanna Leigh as Donetta |
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Michael Rennie as Goldsmith |
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Gretchen Franklin as Bus Conductress |
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Marius Goring as Shevik |
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Scott Forbes as Pannell |
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Colin Gordon as Kitteridge |
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Guy Deghy as Dr. Lundgren |
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John Welsh as Heiner |
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Robert Raglan as Fennimore |
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Derek Ware as Shevik's Henchman |
| Writing | David Whitaker | Writer |
| Production | Peter Snell | Producer |
| Directing | Peter Graham Scott | Director |
| Editing | Bill Lewthwaite | Editor |
| Sound | Cyril Ornadel | Original Music Composer |
| Crew | Vic Armstrong | Stunt Driver |
| Crew | Derek Ware | Stunt Coordinator |
| Camera | Ray Hearne | Still Photographer |
