A British crime film directed by Mansfield Markham
| Camera | Geoffrey Faithfull | Director of Photography |
| Production | Mansfield Markham | Producer |
| Writing | E.W. Hornung | Story |
| Writing | W.J. Balef | Writer |
| Directing | Mansfield Markham | Director |
| Art | W.G. Saunders | Art Direction |
| Camera | Emil Schünemann | Director of Photography |
| Editing | Reginald Beck | Editor |
| Editing | Arthur Seabourne | Editor |
| Sound | Michael Rose | Sound |