 Victor MatureJed Cooper | Jed Cooper |
 Guy MadisonCaptain Glenn Riordan | Captain Glenn Riordan |
 Robert PrestonCol. Frank Marston | Col. Frank Marston |
 James WhitmoreGus | Gus |
 Anne BancroftCorinna Marston | Corinna Marston |
 Russell CollinsCaptain Phil Clarke | Captain Phil Clarke |
 Peter WhitneySergeant Major Decker | Sergeant Major Decker |
 Pat HoganMungo | Mungo |
| GGuillermo CallesSpotted Elk (uncredited) | Spotted Elk (uncredited) |
 John CasonFirst Sentry (uncredited) | First Sentry (uncredited) |
 Manuel DondéRed Cloud (uncredited) | Red Cloud (uncredited) |
| BBill HaleTrooper (uncredited) | Trooper (uncredited) |
 Mickey KuhnLuke - Sentry (uncredited) | Luke - Sentry (uncredited) |
 Regis PartonSentry (uncredited) | Sentry (uncredited) |
 Jack PennickSergeant (uncredited) | Sergeant (uncredited) |
| AAllen PinsonSentry (uncredited) | Sentry (uncredited) |
| RRobert St. AngeloSentry (uncredited) | Sentry (uncredited) |
 William TraylorSoldier (uncredited) | Soldier (uncredited) |
 Guy WilliamsLieutenant Benton (uncredited) | Lieutenant Benton (uncredited) |
 Terry WilsonSentry (uncredited) | Sentry (uncredited) |
