| Actor | Character | Firearm | Notes |
|---|---|---|---|
| Alan Hale Sr. | Sergeant "Big Mike" Wynn | Colt Model 1902 | - |
| Alan Hale Sr. | Sergeant "Big Mike" Wynn | M1903 Springfield | - |
| Dennis Morgan | Lieutenant Oliver Ames | Colt Model 1902 | - |
| Dick Foran | Lieutenant 'Long John' Wynn | Colt Model 1902 | - |
| Frank McHugh | Pvt. Terence 'Crepe-Hanger' Burke | M1903 Springfield | - |
| George Brent | Major 'Wild Bill' Donovan | Colt Model 1902 | - |
| George Reeves | Private Jack O'Keefe | M1903 Springfield | uncredited |
| Guinn 'Big Boy' Williams | Private Paddy Dolan | M1903 Springfield | - |
| James Cagney | Pvt. Jerry Plunkett | M1903 Springfield | - |
| Jeffrey Lynn | Sergeant Joyce Kilmer | Colt Model 1902 | - |
| Jeffrey Lynn | Sergeant Joyce Kilmer | M1903 Springfield | - |
| Tom Dugan | Private McManus | M1903 Springfield | - |
| William Lundigan | Pvt. Timothy 'Timmy' Wynn | M1903 Springfield | - |