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Terry Moore as Alison Ford |
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Robert Beatty as Tim Forrester |
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William Sylvester as Dave Forrester |
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Josephine Griffin as Jill Stewart |
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Geoffrey Keen as Inspector Colby |
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Allan Cuthbertson as Henry Carmichael |
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Henry Oscar as John Smith |
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William Lucas as Reg Dorking |
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Terence Alexander as Fenby |
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Bruno Barnabe as Italian Detective |
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Eric Corrie as Pilot |
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Jack Howarth as Hotel Porter |
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Stuart Saunders as Sgt. Haines |
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Marianne Stone as Receptionist |
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Frank Thornton as Police Photographer |
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Raymond Francis as Police Inspector - Interpol Division |
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Sam Kydd as Bill, the Telephone Engineer |
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Robert Raglan as (uncredited) |
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Ian Wilson as Dorking's Customer (uncredited) |
| Directing | Guy Green | Director |
| Writing | Francis Durbridge | Story |
| Writing | Guy Green | Writer |
| Writing | Ken Hughes | Writer |
| Sound | John Veale | Original Music Composer |
| Camera | Wilkie Cooper | Director of Photography |
| Production | Frank Godwin | Producer |
| Production | Tony Owen | Executive Producer |
| Editing | Peter Taylor | Editor |