Directed by
| Christian-Jaque | ||
Writing Credits (in alphabetical order)
| Marcel Allain | ... | (novel) |
| Marcel Allain | ... | (screenplay) |
Cast
 |
Robert Ancelin | ... | Le détective amateur |
|
|
Lucien Arnaud | ... | Le policier professionnel |
| Lilian Constantini | |||
|
|
Jacques Erwin | ||
| Robert Hommet | |||
|
|
Pierre Huguenet | ||
|
|
Paul Marthès | ||
|
|
Madame Moreau | ||
|
|
Marie Shelley | ||
Produced by
| Stephen Greene | ... | producer |
| Paul Madeux | ... | producer |
Cinematography by
| Boris Kaufman | ||
Second Unit Director or Assistant Director
| François Carron | ... | assistant director |
Sound Department
| Robert Ivonnet | ... | sound |