| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Eddie Egan | Det. Walt Simonson | Colt Detective Special | - |
| Gene Hackman | Det. Jimmy "Popeye" Doyle | Colt Detective Special | - |
| Gene Hackman | Det. Jimmy "Popeye" Doyle | Smith & Wesson Model 36 | - |
| Marcel Bozzuffi | Pierre Nicoli | M1911 | - |
| Marcel Bozzuffi | Pierre Nicoli | Winchester Model 70 | - |
| Roy Scheider | Det. Buddy "Cloudy" Russo | Winchester Model 1897 Riot Gun | - |
| Roy Scheider | Det. Buddy "Cloudy" Russo | Smith & Wesson Model 10 | Snubnose |
| Tony Lo Bianco | Salvatore "Sal" Boca | Smith & Wesson Model 36 | - |