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Polly Bergen as Suzy Hunter |
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Paul Burke as Brad Hunter |
 |
Dinsdale Landen as Matthew Earp |
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Basil Henson as Charles Merrow |
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Vernon Dobtcheff as Bannerheim |
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Meriel Brook as Theresa |
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Roger Hume as Dr. Korner |
| Production | John Sichel | Producer |
| Writing | Brian Clemens | Writer |
| Sound | Laurie Johnson | Original Music Composer |
| Directing | Peter Jefferies | Director |
