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William Sylvester as Layton / Steve Ross |
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Mai Zetterling as Ruth Lombard |
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John Meillon as Johnny Hemick |
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Anthony Dawson as James Dawson |
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Neil McCarthy as Leo Farrell |
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Joseph Fürst as Paul Varna |
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Harry Baird as Gill Hall |
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John Phillips as Chief Superintendent Gault |
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Victor Brooks as Inspector Adams |
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Diana King as Maggie Dawson |
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Gerard Heinz as Jake |
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Nan Munro as Sarah Bennett |
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Ronald Adam as J. B. Wykeham |
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Neil Wilson as Pat Ryan |
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Sidney Vivian as Sam French |
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William Sherwood as Bank Manager |
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Andrew Laurence as Bank Clerk |
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Patricia Shakesby as Typist |
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Anthony Baird as City Constable |
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Tom Clegg as Dropkick |
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Meadows White as Mortuary Attendant |
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Fred McNaughton as Police Superintendent |
| Directing | Cliff Owen | Director |
| Writing | Peter Barnes | Writer |
| Production | E.M. Smedley-Aston | Producer |
| Sound | Ken Jones | Music |
| Camera | Geoffrey Faithfull | Director of Photography |
| Editing | Antony Gibbs | Editor |
| Art | George Provis | Art Direction |
| Costume & Make-Up | Jill Carpenter | Makeup Artist |
| Costume & Make-Up | Betty Sherriff | Hairstylist |
| Production | Clifton Brandon | Production Manager |
| Directing | René Dupont | Assistant Director |
| Sound | Red Law | Sound Recordist |
| Sound | Bill Salter | Sound Recordist |
| Camera | Frank Drake | Camera Operator |
| Sound | Ken Jones | Conductor |
| Directing | Kay Rawlings | Continuity |
