Directed by
| Eugene Forde | ||
Writing Credits (in alphabetical order)
| Gerald Elliott | ... | (dialogue) |
| Richard Llewellyn | ... | (writer) (uncredited) |
| Bryan Edgar Wallace | ... | (screen play) (as Bryan Wallace) |
| John P. Wynn | ... | (characters) (as Hans Wolfgang Priwin) |
Cast (in credits order) complete, awaiting verification
| Gordon Harker | ... | Inspector Hornleigh | |
| Alastair Sim | ... | Sergeant Bingham | |
 |
Miki Hood | ... | Ann Gordon |
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Wally Patch | ... | Sam Holt |
| Steven Geray | ... | Kavanos (as Steve Geray) | |
| Edward Underdown | ... | Peter Dench | |
| Hugh Williams | ... | Bill Gordon | |
| Gibb McLaughlin | ... | Alfred Cooper | |
| Ronald Adam | ... | Wittens | |
| Eliot Makeham | ... | Leatherworker | |
| Rest of cast listed alphabetically: | |||
|
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Cecil Bevan | ... | Auctioneer (uncredited) |
| Charles Carson | ... | Chief Superintendent (uncredited) | |
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Peter Gawthorne | ... | Chancellor (uncredited) |
| Vi Kaley | ... | Landlady (uncredited) | |
| Arthur Mullard | ... | (uncredited) | |
| Charles Paton | ... | Auction Bidder (uncredited) | |
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Julian Vedey | ... | Cafe Owner (uncredited) |
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Jack Vyvyan | ... | Sgt Hawkins (uncredited) |
Produced by
| Roland Gillett | ... | associate producer (uncredited) |
| Robert Kane | ... | producer |
Music by
| Bretton Byrd | ... | (uncredited) |
Cinematography by
| Philip Tannura | ... | (photography) |
| Derick Williams | ... | (photography) |
Editing by
| James B. Clark | ... | supervising editor |
| Douglas Robertson | ||
Art Direction by
| John Bryan | ||
Production Management
| Leslie F. Baker | ... | production manager |
Second Unit Director or Assistant Director
| William N. Boyle | ... | assistant director (as William Boyle) |
| Roy Parkinson | ... | second assistant director (uncredited) |
Sound Department
| W.H. Lindop | ... | sound recordist (as W. Lindop) |
Music Department
| Bretton Byrd | ... | musical director |
