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Eddie Byrne as Simon York |
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Paul Daneman as Frank Griffiths |
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Penelope Horner as Julie Denver |
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Walter Brown as Craig |
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Clarissa Stolz as Eva Terila |
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John Glyn-Jones as Inspector Boom |
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Edwin Richfield as Peters |
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Alfred Burke as Davison |
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Edward Underdown as Bennett Sanders |
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John Carson as Miguel Terila |
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Philip Latham as Dr. Trent |
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Leonard Sachs as Spencer |
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Larry Burns as Doorkeeper |
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Kenneth Thornett as Constable |
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Norma Parnell as Maggie |
| Directing | Norman Harrison | Director |
| Writing | Richard Harris | Screenplay |
| Writing | Edgar Wallace | Original Story |
| Production | Jack Greenwood | Producer |
| Sound | Bernard Ebbinghouse | Original Music Composer |
| Camera | Bert Mason | Director of Photography |
| Editing | Gordon Hales | Editor |
| Production | Ronnie Curtis | Casting Director |
| Art | Peter Mullins | Art Direction |
| Costume & Make-Up | Hilda Fox | Hairdresser |
| Costume & Make-Up | Michael Morris | Makeup Artist |
| Production | Jack Dawe | Production Manager |
| Directing | Ted Lewis | Assistant Director |
| Sound | Roy Norman | Sound Editor |
| Camera | Noel Rowland | Camera Operator |
| Sound | Sidney Rider | Sound Recordist |
