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Harry H. Corbett as Inspector Bruce |
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John Cairney as Larry Wilson |
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John Van Eyssen as John Maudle |
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Jennifer Daniel as Barbara Blair |
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Moira Redmond as Tina |
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Russell Waters as Sam Spencer |
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Trevor Reid as Supt. Carver |
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Howard Goorney as Onion Seller |
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Geoffrey Denton as Uniformed Inspector |
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Patrick Ludlow as Registrar |
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Alexander Archdale as Prison Governor |
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Barry MacLean as 1st. Warder |
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Basil Beale as 2nd Warder |
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Alex Scott as Vic Ellis |
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Patricia Burke as Woman in the Apartment |
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Pauline Shepherd as Evie Martin |
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Leila Williams as Secretary |
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Duncan Burns as Garage Apprentice |
| Directing | Clive Donner | Director |
| Editing | Bernard Gribble | Editor |
| Production | Jack Greenwood | Producer |
| Writing | Robert Banks Stewart | Screenplay |
| Sound | Francis Chagrin | Music |
| Camera | Brian Rhodes | Director of Photography |
| Production | Jim O'Connolly | Associate Producer |
| Production | Ronnie Curtis | Casting Director |
| Art | C. Wilfred Arnold | Art Direction |
| Costume & Make-Up | Mervyn Medalie | Hairdresser |
| Costume & Make-Up | Michael Morris | Makeup Artist |
| Directing | Peter Price | Assistant Director |
| Sound | Ronald Abbott | Sound Recordist |
| Sound | Michael Shah Dayan | Sound Editor |
| Sound | Sidney Rider | Sound Recordist |
| Camera | Alf Hicks | Camera Operator |
| Writing | Edgar Wallace | Novel |
