Richard Basehart
Role: Cpl. Denno
Gene Evans
Role: Sgt. Rock
Michael O'Shea
Role: Sgt. Lonergan
Richard Hylton
Role: Medic John Wheeler
Craig Hill
Role: Lt. Gibbs
Howard Banks
Role: Doggie (uncredited)
Paul Burke
Role: Doggie (uncredited)
George Conrad
Role: Zablocki (uncredited)
Glenn Corbett
Role: Lieutenant (uncredited)
James Dean
Role: Doggie (uncredited)
John Doucette
Role: 18th Infantry Colonel (uncredited)
John Drexel
Role: John (uncredited)
Pat Hogan
Role: Jonesy (uncredited)
Tony Kent
Role: Mainotes (uncredited)
Robert Knapp
Role: Chuck (uncredited)
Henry Kulky
Role: Vogl (uncredited)
Weaver Levy
Role: Communist Tank Leader (uncredited)
George Lynn
Role: 26th Infantry Colonel (uncredited)
Herbert Lytton
Role: Army Doctor (uncredited)
Richard Monahan
Role: Walowicz (uncredited)
Neyle Morrow
Role: Medic (uncredited)
Wyott Ordung
Role: Fitz (uncredited)
Don Orlando
Role: Borcellino (uncredited)
John Pickard
Role: Vic (uncredited)
Mel Pogue
Role: Bulcheck (uncredited)
Stuart Randall
Role: Major General at Headquarters (uncredited)
Paul Richards
Role: Ramirez (uncredited)
Robert Stevenson
Role: Col. Taylor - 16th Infantry (uncredited)
William Thourlby
Role: Husky Doggie (uncredited)
Joe Turkel
Role: Soldier (uncredited)