| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Carola Stagnaro | Inspector Altieri | Browning Hi-Power | - |
| Giuliano Gemma | Detective Giermani | Smith & Wesson Model 28 | 4" barrel ('Highway Patrolman') |
| Giuliano Gemma | Detective Giermani | Smith & Wesson Model 28 Highway Patrolman | With 4" barrel and factory wooden grips |