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Джордж Сандерс as Gen. Armstrong |
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Морис Эванс as Dr. Matthews / Alien |
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Patrick Allen as Bob Megan |
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Neil Connery as Jim Radford |
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Роберт Флеминг as W.C. Baldwin |
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Pamela Conway as Lorna |
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Аллан Катбертсон as Hindsmith |
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Майкл Калвер as Lt. Bailes |
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Sally Faulkner as Joanna |
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Шила Фрейзер as Mrs. Thatcher |
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Hilary Dwyer as Julie Slade |
|
Dennis Chinnery as Control Officer |
|
Michael Warren as Harry |
| Camera | John Coquillon | Director of Photography |
| Sound | Reg Tilsley | Original Music Composer |
| Production | John Workman | Production Manager |
| Directing | John Workman | Assistant Director |
| Production | Tony Tenser | Producer |
| Editing | Howard Lanning | Editor |
| Directing | Gerry Levy | Director |
| Writing | Michael St. Clair | Writer |
| Crew | Gerry Levy | Additional Writing |
| Art | C. Wilfred Arnold | Art Direction |
