Victor Mature as Jed Cooper

Guy Madison as Captain Glenn Riordan

Robert Preston as Col. Frank Marston

James Whitmore as Gus

Anne Bancroft as Corinna Marston

Russell Collins as Captain Phil Clarke

Peter Whitney as Sergeant Major Decker

Pat Hogan as Mungo

Guillermo Calles as Spotted Elk (uncredited)

John Cason as First Sentry (uncredited)

Manuel Dondé as Red Cloud (uncredited)

Bill Hale as Trooper (uncredited)

Mickey Kuhn as Luke - Sentry (uncredited)

Regis Parton as Sentry (uncredited)

Jack Pennick as Sergeant (uncredited)

Allen Pinson as Sentry (uncredited)

Robert St. Angelo as Sentry (uncredited)

William Traylor as Soldier (uncredited)

Guy Williams as Lieutenant Benton (uncredited)

Terry Wilson as Sentry (uncredited)