| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Guy Decomble | Inspector Lognon | Ruby | - |
| Jean Gabin | Commissioner Maigret | Ruby | - |
| Marcel Bozzuffi | Inspector Torrence | Ruby | - |
| Marcel Bozzuffi | Inspector Torrence | Luger P 08 | - |
| Michel Constantin | Tony Cicero | Luger P08 | - |
| Paul Frankeur | Commissioner Bonfils | Ruby | - |
| Ricky Cooper | Charlie Cinaglio | Luger P08 | - |