| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Mel Gibson | Lt. Colonel Hal Moore | XM16E1 Rifle | with & without M7 bayonet |
| Mel Gibson | Lt. Colonel Hal Moore | M1911A1 | - |
| Barry Pepper | Joe Galloway | XM16E1 | - |
| Blake Heron | Galen Bungum | Winchester Model 1912 | - |
| Blake Heron | Galen Bungum | M79 Grenade Launcher | - |
| Chris Klein | 2nd Lt. Jack Geoghegan | XM16E1 | - |
| Clark Gregg | Capt. Tom Metsker | M16A1 | - |
| Dylan Walsh | Capt. Robert Edwards | M16A1 | - |
| Greg Kinnear | Major Bruce Crandall | Smith & Wesson Model 15 Snub | - |
| Greg Kinnear | Major Bruce Crandall | GE M134 Minigun | - |
| Jon Hamm | Capt. Matt Dillon | XM16E1 | - |
| Jsu Garcia | Captain Tony Nadal | XM16E1 assault rifles | mocked up from an M16A1 |
| Jsu Garcia | Captain Tony Nadal | M1911A1 | holstered |
| Jsu Garcia | Captain Tony Nadal | M26 hand grenade | - |
| Jsu Garcia | Captain Tony Nadal | M18 smoke grenade | yellow |
| Marc Blucas | 2nd Lt. Henry Herrick | XM16E1 | - |
| Ryan Hurst | Sgt. Ernie Savage | XM16E1 | - |
| Sam Elliott | Command Sgt. Maj. Basil Plumley | M1911 | . |
| Clark Gregg | Capt. Tom Metsker | Colt Model 603K | - |