Sterling Hayden as Bart Laish

Coleen Gray as Christella Burke

Keith Larsen as Lt. Steve King

Tom Tully as Crowshaw

Jimmy Wakely as Pvt. Carqueville

Tudor Owen as Tillotson

Lee Van Cleef as Tillotson Henchman

John Pickard as Sgt. Lybarger

Carleton Young as Maj. Andy Pepperis

Iron Eyes Cody as Chief Rasacura (uncredited)

Artie Ortego as Wagon Train Member (uncredited)

Charles Soldani as Indian (uncredited)

Sheb Wooley as Trooper (uncredited)