Douglas Fairbanks Jr.Keith Brandon Joan BennettStephanie Richardson Alan HaleDr. Emil 'Nils' Loren George BancroftJim 'Tex' Morgan Vincent PriceDavid Richardson Wilson BengeButler (uncredited) Eumenio BlancoWell-Dressed Native (uncredited) Anita CamargoNative Girl (uncredited) Iron Eyes CodyIndian (uncredited) Franco CorsaroMan (uncredited) Yola d'AvrilNative Girl (uncredited) Robert FischerExplorer (uncredited) Noble JohnsonHostile-Tribe Chief (uncredited) Kay LinakerWoman in Cafe (uncredited) Tony PatonBartender (uncredited) Nina QuarteroNative Girl (uncredited) Julian RiveroProprietor (uncredited) Jack OttersonArt Direction Russell A. GausmanSet Decoration Ralph M. DeLacyArt Direction Karl FreundDirector Of Photography Bernard NewmanCostume Design Joseph A. McDonoughアシスタントディレクター Bernard B. BrownSound Supervisor Charles PrevinMusic Director Frances MarionOriginal Story 
