Directed by
| Steve Sekely | ... | (as István Székely) |
Writing Credits (in alphabetical order)
| Gaston Leroux | ... | (stories) |
| Pierre-Gilles Veber | ||
Cast (in credits order) complete, awaiting verification
| Roland Toutain | ... | Joseph Rouletabille | |
| Léon Belières | ... | Sainclair | |
| Germaine Aussey | ... | Sonia | |
 |
Théa Dory | ... | Amie de Rosy |
|
|
Maurice Maillot | ... | George K. George (as Maillot) |
|
|
Abel Duroy | ... | Hubner (as Duroy) |
| Lisette Lanvin | ... | Rosy Bathory | |
| Rest of cast listed alphabetically: | |||
| Léonce Corne | ... | Commissaire Moreau (uncredited) | |
|
|
Sándor Góth | ... | Bathory (uncredited) |
Music by
| Georges Van Parys | ... | (as G. Van Parys) |
Cinematography by
| István Eiben | ... | (as Eiben) |
| J. Peverell Marley | ... | (as Pewerell Marley) |
| Gérard Perrin | ... | (as Perrin) |
| Fédote Bourgasoff | ... | (uncredited) |
Editing by
| Lothar Wolff | ... | (as L. Wolff) |
Production Design by
| Serge Piménoff | ... | (as Pimenoff) |
Production Management
| Maurice Orienter | ... | production manager |
Sound Department
| Ferenc Lohr | ... | sound (as F. Löhr) |
Music Department
| László Angyal | ... | music supervisor (as L. Angyal) |
