| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Burt Lancaster | Maj. Asa Barker | M1911A1 | - |
| Burt Lancaster | Maj. Asa Barker | M3 Grease Gun | With 30-round magazine and shoulder strap |
| Craig Wasson | CPL Stephen Courcey | M1 Carbine | - |
| Craig Wasson | CPL Stephen Courcey | Mk 2 Hand Grenade | - |
| Evan C. Kim | Cowboy | M1 Carbine | - |
| Evan C. Kim | Cowboy | Mk 2 Hand Grenade | - |
| Evan C. Kim | Cowboy | Colt Trooper Mk III | anachronism |
| James Hong | The Old Man | Gewehr 1871/84 | - |
| James Hong | The Old Man | Gewehr 98 | - |
| James Hong | The Old Man | Mosin Nagant 91/30 | - |
| Joe Unger | 2LT Raymond Hamilton | M1928A1 Thompson | - |
| Jonathan Goldsmith | 1SG Oleonowski | M1 Carbine | - |
| Jonathan Goldsmith | 1SG Oleonowski | Mk 2 Hand Grenade | - |
| Marc Singer | CPT Alfred Olivetti | M1 Carbine | - |
| Marc Singer | CPT Alfred Olivetti | M1911A1 | - |