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Ed Bishop as TV Announcer |
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Brian Blessed as Dr. Tom Bowen |
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Joanna Dunham as Anne Bowen |
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Don Fellows as Jim Forbes |
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Martin Ley as David Bowen |
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Nick Tate as Capt. Harry Masters |
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Katharine Levy as Jane Masters |
| Directing | Charles Crichton | Director |
| Writing | Johnny Byrne | Writer |
| Crew | Brian Johnson | Special Effects |
| Production | Gerry Anderson | Producer |
| Sound | Derek Wadsworth | Music |
| Editing | David Lane | Editor |
