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Bernard Lee as Superintendent Meredith |
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Lyndon Brook as Gerry Domford |
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Finlay Currie as Harvey Lane |
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Jennifer Daniel as Mary Lane |
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Patrick Cargill as Binny |
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Anthony Sharp as Mike Hennessey |
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Sam Kydd as Horace Tickler |
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Eve Eden as Secretary |
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Derrick Sherwin as Quigley |
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Stanley Morgan as Sgt. Anson |
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Harold Scott as Crow |
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John Kidd as Mr. Hardwick |
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Robert Sansom as Police Doctor |
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Patricia Haines as Policewoman |
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Clifford Earl as Detective |
| Directing | Gerard Glaister | Director |
| Writing | Edgar Wallace | Original Story |
| Writing | Philip Mackie | Screenplay |
| Production | Jack Greenwood | Producer |
| Production | Jim O'Connolly | Associate Producer |
| Sound | Bernard Ebbinghouse | Music |
| Camera | Bert Mason | Director of Photography |
| Editing | Derek Holding | Editor |
| Production | Ronnie Curtis | Casting Director |
| Art | Peter Mullins | Art Direction |
| Costume & Make-Up | Hilda Fox | Hairdresser |
| Costume & Make-Up | Aldo Manganaro | Makeup Artist |
| Production | Joe Levy | Production Manager |
| Directing | Peter Price | Assistant Director |
| Sound | Ronald Abbott | Sound Recordist |
| Sound | Brian Blamey | Sound |
| Sound | Sidney Rider | Sound Recordist |
| Camera | Herbert Smith | Camera Operator |
