Directed by
| Alfred Gragnon | ... | (co-director) |
| Pierre Maudru | ... | (co-director) |
Writing Credits (in alphabetical order)
| Alfred Gragnon | ... | (story) |
| Pierre Maudru | ... | (scenario) |
Cast (in credits order)
 |
Pierre Stéphen | ... | Jean Cartenet |
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|
Doumel | ... | Le commissaire Bonton |
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|
Maurice Lagrenée | ... | L'inspecteur Grey |
| Jeanne Helbling | ... | Elisabeth Cartenet | |
| Charlotte Lysès | ... | Madame Delpierre | |
| Roger Legris | ... | Philippe Delpierre | |
|
|
Jacqueline Saint-Pierre | ... | Danielle |
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Yvette Thamar | ... | Marguerite Cartenet |
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Freddy Hubert | ... | Le petit garçon |
| Georges Paulais | ... | Le docteur Lao Ming | |
|
|
Renée Piat | ||
| Charles Lemontier | |||
| Rest of cast listed alphabetically: | |||
|
|
Tony André | ||
|
|
Fernande Clairec | ||
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|
Maurice Marceau | ... | (as Georges Marceau) |
Music by
| Jean Yatove | ||
Cinematography by
| Marc Bujard | ||
Editing by
| Gisèle Renart | ||
Production Management
| Émile Buhot | ... | production manager |
| Jean Lordier | ... | production manager |
Sound Department
| Marcel Royné | ... | sound engineer |
Camera and Electrical Department
| Marius Roger | ... | camera operator |