| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Anthony Franciosa | Dr. Felix | Smith & Wesson Model 19 | - |
| Fred Stuthman | Halpin | M1911 | - |
| George Grizzard | Leo Gelhorn | MAT-49 | - |
| George Grizzard | Leo Gelhorn | FN FAL | - |
| James Coburn | Jerry Fanon | Smith & Wesson Model 19 | - |
| James Coburn | Jerry Fanon | CustomL1A1 Carbine | - |
| James Coburn | Jerry Fanon | Orion Flare Gun | Painted to appear to be made of metal |
| O.J. Simpson | Catlett | Walther P38 | P38K, suppressed |
| Sophia Loren | Adele Tasca | Smith & Wesson Model 19 | - |