 Richard BasehartCpl. Denno | Cpl. Denno |
 Gene EvansSgt. Rock | Sgt. Rock |
 Michael O'SheaSgt. Lonergan | Sgt. Lonergan |
 Richard HyltonMedic John Wheeler | Medic John Wheeler |
 Craig HillLt. Gibbs | Lt. Gibbs |
 Skip HomeierWhitey | Whitey |
| HHoward BanksDoggie (uncredited) | Doggie (uncredited) |
 Paul BurkeDoggie (uncredited) | Doggie (uncredited) |
| GGeorge ConradZablocki (uncredited) | Zablocki (uncredited) |
 Glenn CorbettLieutenant (uncredited) | Lieutenant (uncredited) |
 James DeanDoggie (uncredited) | Doggie (uncredited) |
 John Doucette18th Infantry Colonel (uncredited) | 18th Infantry Colonel (uncredited) |
| JJohn DrexelJohn (uncredited) | John (uncredited) |
 Pat HoganJonesy (uncredited) | Jonesy (uncredited) |
| TTony KentMainotes (uncredited) | Mainotes (uncredited) |
 Robert KnappChuck (uncredited) | Chuck (uncredited) |
 Henry KulkyVogl (uncredited) | Vogl (uncredited) |
| WWeaver LevyCommunist Tank Leader (uncredited) | Communist Tank Leader (uncredited) |
 George Lynn26th Infantry Colonel (uncredited) | 26th Infantry Colonel (uncredited) |
 Herbert LyttonArmy Doctor (uncredited) | Army Doctor (uncredited) |
| RRichard MonahanWalowicz (uncredited) | Walowicz (uncredited) |
 Neyle MorrowMedic (uncredited) | Medic (uncredited) |
| WWyott OrdungFitz (uncredited) | Fitz (uncredited) |
| DDon OrlandoBorcellino (uncredited) | Borcellino (uncredited) |
 John PickardVic (uncredited) | Vic (uncredited) |
| MMel PogueBulcheck (uncredited) | Bulcheck (uncredited) |
 Stuart RandallMajor General at Headquarters (uncredited) | Major General at Headquarters (uncredited) |
 Paul RichardsRamirez (uncredited) | Ramirez (uncredited) |
| RRobert StevensonCol. Taylor - 16th Infantry (uncredited) | Col. Taylor - 16th Infantry (uncredited) |
 William ThourlbyHusky Doggie (uncredited) | Husky Doggie (uncredited) |
