John Wayne as Temujin, later Genghis Khan

Susan Hayward as Bortai

Pedro Armendáriz as Jamuga

Agnes Moorehead as Hunlun

Thomas Gomez as Wang Khan

John Hoyt as Shaman

William Conrad as Kasar

Ted de Corsia as Kumlek

Leslie Bradley as Targutai

Lee Van Cleef as Chepei

Peter Mamakos as Bogurchi

Leo Gordon as Tartar Captain

Richard Loo as Captain of Wang's guard

George E. Stone as Sibilant Sam (uncredited)

John George as Drummer (uncredited)