Directed by
| Christian Stengel | ||
Writing Credits
| Jean Giltène | ... | (novel) |
| Jean Giltène | ... | (adaptation) |
| Christian Stengel | ... | (adaptation) |
Cast (in credits order) complete, awaiting verification
| Simone Renant | ... | Marianne Séverin | |
| Michel Auclair | ... | Michel Dunan - le sosie d'Alain / Alain de Norbois - le riche disparu | |
| Marcel Herrand | ... | Norbert - le majordome | |
| René Blancard | ... | Me Tirgen, l'avocat | |
 |
André Versini | ... | Adrien |
| Guy Favières | ... | Guillaume | |
| René Hell | ... | Un joueur de bonneteau | |
|
|
Roger Bontemps | ... | Un inspecteur |
|
|
Paul Delon | ... | L'inspecteur général Leroux |
|
|
Teddy Bilis | ||
|
|
Nicole Gamma | ... | (as Nicole Guezel) |
|
|
Jean-Jacques Duverger | ... | Paul de Norbois (as Le petit J.J. Duverger) |
| Robert Vattier | ... | Adolphe Mercier - un homme d'affaires | |
|
|
Jacques Castelot | ... | Le juge d'instruction |
| Geneviève Page | ... | Carole de Norbois | |
|
|
Reine Charmy | ||
| Rest of cast listed alphabetically: | |||
| Marcelle Arnold | ... | (uncredited) | |
|
|
Jean Brunel | ... | (uncredited) |
|
|
Paule Launay | ... | (uncredited) |
|
|
Marcel Rouzé | ... | (uncredited) |
|
|
René Sauvaire | ... | (uncredited) |
Produced by
| Aimé Frapin | ... | producer |
| Paul Wagner | ... | producer |
Music by
| Paul Misraki | ||
Cinematography by
| René Gaveau | ||
Editing by
| Yvonne Martin | ||
Production Design by
| Robert Hubert | ||
Costume Design by
| Alwynn | ||
Production Management
| Claude Heymann | ... | production manager |
Sound Department
| André Louis | ... | sound |