 Douglas Fairbanks Jr.Keith Brandon | Keith Brandon |
 Joan BennettStephanie Richardson | Stephanie Richardson |
 John HowardHal Scott | Hal Scott |
 George SandersForrester | Forrester |
 Alan HaleDr. Emil 'Nils' Loren | Dr. Emil 'Nils' Loren |
 George BancroftJim 'Tex' Morgan | Jim 'Tex' Morgan |
 Vincent PriceDavid Richardson | David Richardson |
 Gene GarrickGraham | Graham |
 Francis McDonaldGracco | Gracco |
 MalaMala | Mala |
| PPeter BronteSantos | Santos |
 Lupita TovarNative Girl | Native Girl |
| WWilson BengeButler (uncredited) | Butler (uncredited) |
| EEumenio BlancoWell-Dressed Native (uncredited) | Well-Dressed Native (uncredited) |
| AAnita CamargoNative Girl (uncredited) | Native Girl (uncredited) |
 Iron Eyes CodyIndian (uncredited) | Indian (uncredited) |
| FFranco CorsaroMan (uncredited) | Man (uncredited) |
 Yola d'AvrilNative Girl (uncredited) | Native Girl (uncredited) |
 Robert FischerExplorer (uncredited) | Explorer (uncredited) |
 Noble JohnsonHostile-Tribe Chief (uncredited) | Hostile-Tribe Chief (uncredited) |
 Kay LinakerWoman in Cafe (uncredited) | Woman in Cafe (uncredited) |
 Tony PatonBartender (uncredited) | Bartender (uncredited) |
 Nina QuarteroNative Girl (uncredited) | Native Girl (uncredited) |
| JJulian RiveroProprietor (uncredited) | Proprietor (uncredited) |
