Directed by
| John Llewellyn Moxey | ... | (as John Moxey) |
Writing Credits
| Jimmy Sangster | ... | (screenplay) (as John Sansom) |
| Edgar Wallace | ... | (novel) (uncredited) |
Cast (in credits order)
| Jeremy Kemp | ... | Vince Howard | |
| Bernard Archard | ... | Michael Forrest | |
| Rosemary Leach | ... | Mary Bell | |
| Philip Locke | ... | John Bell | |
 |
Elizabeth Begley | ... | Mrs. Holden |
| Jean Marsh | ... | Grace | |
| Ronald Leigh-Hunt | ... | Prison Governor (as Ronald Leigh Hunt) | |
| Mike Pratt | ... | Harry | |
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Henry B. Longhurst | ... | Peters (as Henry Longhurst) |
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Alec Bregonzi | ... | Garage Proprietor |
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Keith Smith | ... | Ticket Collector |
| Edward Dentith | ... | Prison Officer | |
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Victor Charrington | ... | Chief Prison Officer |
| Rest of cast listed alphabetically: | |||
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Joe Phelps | ... | Prison Officer (uncredited) |
Produced by
| Jack Greenwood | ... | producer |
Music by
| Bernard Ebbinghouse | ||
Cinematography by
| James Wilson | ... | director of photography |
Editing by
| Derek Holding | ||
Casting By
| Ronnie Curtis | ... | (as Ronald Curtis) |
Art Direction by
| John Blezard | ||
Makeup Department
| Connie Able | ... | hairdresser |
| Benny Royston | ... | makeup artist |
Production Management
| Ron Fry | ... | production manager |
Second Unit Director or Assistant Director
| Ted Lewis | ... | assistant director |
Sound Department
| Brian Blamey | ... | sound editor |
| Gordon Everett | ... | sound recordist |
| Sidney Rider | ... | sound recordist |
Camera and Electrical Department
| Peter Allwork | ... | camera operator |
| John Stanier | ... | assistant cameraman |
Costume and Wardrobe Department
| Eileen Welch | ... | wardrobe |
Music Department
| Michael Carr | ... | composer: title music |
| Bernard Ebbinghouse | ... | conductor |
Script and Continuity Department
| Marjorie Owens | ... | continuity |
Additional Crew
| Nat Cohen | ... | presenter: implied |
| Stuart Levy | ... | presenter: implied |
