john wayne be improbably cast ( to say the least . ) a mongol chief temujin and later genghis khan and lead his mongolian army in a battle against the tartar and fall for the enemy leader fiery and beautiful daughter . with three cinematographer credit and the picture certainly look good and but director dick powell can not seem to pick up the pace and and it quickly become a leaden affair punctuate by inane dialogue . princess susan hayward and the supporting player be all ridiculously miscast and but none more so than the duke and whose performance might have pass muster have he be encourage to play it strictly for laugh . produce for rko by howard hughes and who reportedly be obsess with this movie and later buy sole right to it and effectively keep it out of circulation for year . film partly on location in utah near an atomic weapon test site and with many in the cast and crew later succumb to cancer related death . half from .