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Albert Lieven as Paul Heindrik |
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Barbara Shelley as Jean Anscomb |
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John Meillon as Ross Williams |
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Kenneth Cope as Derek Maitland |
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Barbara Windsor as Babs Newton |
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Barry Linehan as Det. Sergeant Rigby |
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Mercy Haystead as Carol Helston |
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Leslie Sands as Det. Insp. Simons |
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Richard Bird as Ted Cupps |
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Gladys Henson as Housekeeper |
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Murray Hayne as Ramsey |
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Edward Dentith as Quilby |
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Peter Welch as Andrews |
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Patrick Connor as Desk Police Sergeant |
| Directing | John Llewellyn Moxey | Director |
| Writing | John Roddick | Screenplay |
| Writing | Edgar Wallace | Original Story |
| Production | Jack Greenwood | Producer |
| 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 | Michael Morris | Makeup Artist |
| Production | Jack Dawe | Production Manager |
| Directing | Ted Lewis | Assistant Director |
| Sound | Brian Blamey | Sound Editor |
| Sound | Sidney Rider | Sound Recordist |
| Camera | Noel Rowland | Camera Operator |
