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Annette Funicello as Dinah Wilcox |
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Tommy Kirk as Danny Grant |
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Janet Munro as Janet Hale |
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John Fraser as David Lawford |
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Donald Pleasence as Captain Pinski |
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Harry Lockart as Vincenzo Lalli |
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Colin Gordon as Mr. Ffolliott |
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Anthony Nicholls as Hardy Cole |
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Jean Marsh as Andrienne |
|
Jean Marsh as Ingrid |
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Penelope Horner as Penny |
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Millicent Martin as Joan |
 |
Tony Britton as |
| Directing | William Fairchild | Director |
| Writing | William Fairchild | Writer |
| Writing | Ted Willis | Writer |
