An amateur detective goes on the trail of a gang of violent criminals.
| Directing | T. Hayes Hunter | Director |
| Production | Michael Balcon | Producer |
| Writing | T. Hayes Hunter | Writer |
| Writing | Angus MacPhail | Writer |
| Writing | Arthur Wimperis | Writer |
| Crew | Leslie Rowson | Cinematography |
| Editing | Ian Dalrymple | Editor |