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Nigel Patrick as Chief Insp. John Edward Johnnoe |
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Katherine Woodville as Mary Johnnoe |
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Colin Blakely as Charlie Ruskin |
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Derren Nesbitt as Bertie Hoyle |
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Harry Andrews as Supt. Alec Bestwick |
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Roy Kinnear as Shorty |
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Margaret Whiting as Maisie Barton |
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John Cowley as Jim Ruskin |
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Allan Cuthbertson as Smythe |
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Frank Finlay as Leon Sale |
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Michael Coles as Ben |
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Ronald Hines as Geoff Lewis |
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Peter Prowse as Mick Lonergan |
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George Sewell as Fred Hill |
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Kenneth J. Warren as Lou Waites |
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Brian Wilde as Lipson |
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Peter Bowles as Peter The Pole (uncredited) |
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Donal Donnelly as Tommy The Trotter (uncredited) |
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Harry Landis as Hicks (uncredited) |
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Bernard Goldman as Hymie (uncredited) |
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Fred Haggerty as Hoyle's Henchman (uncredited) |
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Peter Brace as Ruskin's Henchman (uncredited) |
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George Hilsdon as Ruskin's Henchman (uncredited) |
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Faye Craig as Black Woman (uncredited) |
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Geoffrey Dunn as Man with Camera (uncredited) |
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Garfield Morgan as Police Inspector (uncredited) |
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Geoffrey Denton as Police Inspector (uncredited) |
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Patrick Jordan as Police Inspector (uncredited) |
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Ray Smith as Police Sergeant (uncredited) |
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Donald Tandy as Police Sergeant (uncredited) |
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Martin Wyldeck as Police Officer (uncredited) |
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William Baskiville as Police Officer (uncredited) |
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Arthur Howell as Police Officer (uncredited) |
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Alan Meacham as Police Officer (uncredited) |
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Colin McKenzie as Detective (uncredited) |
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Joe Wadham as Police Driver (uncredited) |
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David Weston as Young Constable (uncredited) |
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Michael Segal as Customer at Club (uncredited) |
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Roy Godfrey as Barman (uncredited) |
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Peter Evans as Pub customer (uncredited) |
| Directing | Ken Annakin | Director |
| Writing | Douglas Warner | Novel |
| Writing | Paul Durst | Writer |
| Writing | Alun Falconer | Writer |
| Camera | Dudley Lovell | Camera Operator |
| Camera | Reginald H. Wyer | Director of Photography |
| Production | William MacQuitty | Producer |
| Sound | Clifton Parker | Music |
| Costume & Make-Up | Iris Tilley | Hairstylist |
| Costume & Make-Up | Geoffrey Rodway | Makeup Artist |
| Editing | Alfred Roome | Editor |
| Sound | Don Sharpe | Sound Editor |
| Art | Alex Vetchinsky | Art Direction |
| Costume & Make-Up | Yvonne Caffin | Costume Design |
| Art | Terry Knight | Draughtsman |
| Camera | Wally Fairweather | Focus Puller |
| Sound | C. Le Mesurier | Sound Recordist |
| Sound | Dudley Messenger | Sound Recordist |