A Parisian cop sets out to solve a sudden series of crimes, including robbery and blackmail. Based on a novel by Émile Gaboriau.
| Directing | Chester M. Franklin | Director |
| Writing | Émile Gaboriau | Novel |
| Writing | Jack Natteford | Writer |
| Crew | Tom Galligan | Cinematography |
| Crew | Harry Neumann | Cinematography |
| Directing | Wilbur McGaugh | Assistant Director |
| Sound | L.E. Tope | Sound |
| Production | Sidney Algier | Production Manager |
| Art | Mack D'Agostino | Settings |
