Directed by
| Cyril Frankel | ||
Writing Credits
| Alun Falconer | ... | (screenplay) |
| John Creasey | ... | (based on characters created by) |
| John Creasey | ... | (original story) (uncredited) |
Cast (in credits order) verified as complete
| John Gregson | ... | Commander George Gideon | |
| Alexander Davion | ... | Detective Chief Inspector David Keen / Chief Insp. David Keen | |
| Daphne Anderson | ... | Kate Gideon | |
| Kay Walsh | ... | Harriet Bright | |
| Angela Douglas | ... | Morna | |
| Johnny Sekka | ... | Chay (as Johnny Shekka/Johnny Sekka) | |
| John Justin | ... | Leonard Bright | |
| Norman Bowler | ... | Michael Usher | |
| Basil Dignam | ... | Commissioner Scott-Marle | |
| Ronald Adam | ... | Sir Robert Copthorne (as Ronald Adams) | |
| Shelagh Fraser | ... | Lady Copthorne | |
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Victor Platt | ... | Chief Insp. Budd |
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Alita Naughton | ... | Lydia Merritt |
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Richard James | ... | Matthew Gideon |
| Barry Lowe | ... | Keston | |
| Rest of cast listed alphabetically: | |||
| Pauline Chamberlain | ... | Woman Dancing at Party (uncredited) | |
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Claire Davenport | ... | Helen (uncredited) |
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Emile Stemmler | ... | Waiter in the Blue Disc Club (uncredited) |
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Michael Stevens | ... | Man in Club (uncredited) |
Produced by
| Robert S. Baker | ... | producer |
| Monty Berman | ... | producer |
Music by
| Edwin Astley | ||
Cinematography by
| Gerald Gibbs | ... | director of photography |
| Walter J. Harvey | ... | director of photography (as Jimmy Harvey) |
Editing by
| Bert Rule | ||
Casting By
| David Booth | ||
Art Direction by
| Albert Witherick | ||
Makeup Department
| Hilda Fox | ... | hairdressing supervisor |
| Bill Lodge | ... | makeup supervisor |
Production Management
| Ernest Holding | ... | production supervisor |
Second Unit Director or Assistant Director
| Pat Kelly | ... | assistant director |
| Derek Parr | ... | assistant director |
Sound Department
| Len Abbott | ... | sound recordist |
| Cecil Mason | ... | sound recordist |
| Jim Sibley | ... | sound editor |
| Dennis Whitlock | ... | sound recordist |
Camera and Electrical Department
| Neil Binney | ... | camera operator |
| Val Stewart | ... | camera operator |
Costume and Wardrobe Department
| Laura Nightingale | ... | wardrobe supervisor |
Music Department
| John Beaton | ... | music editor |
Script and Continuity Department
| Anne Deeley | ... | continuity |
| Harry W. Junkin | ... | script supervisor |
