Brian Donlevy

Maj. Geoffrey Caton

Macdonald Carey

Lt. Bruce Cameron

Robert Preston

Pvt. Joe Doyle

William Bendix

Pvt. Aloysius K. "Smacksie" Randall

Albert Dekker

Shad McClosky

Walter Abel

Cmdr. Roberts

Mikhail Rasumny

Ivan Probenzky

Rod Cameron

Capt. Pete Lewis

Bill Goodwin

Sgt. Higbee / Narrator (voice)

Damian O'Flynn

Capt. Bill Patrick

Frank Albertson

Johnny Rudd

Joyce Arleen

Cynthia Caton (uncredited)