Cast
Bessie LovePaula White
Lewis StoneSir John Roxton
Wallace BeeryProf. Challenger
Lloyd HughesEdward E. Malone
Alma BennettGladys Hungerford
Arthur HoytProf. Summerlee
Margaret McWadeMrs. Challenger
Bull MontanaApe Man
Frank Finch SmilesChallengers Diener
Jules CowlesZambo- George BunnyColin McArdle
- Charles WellesleyMaj. Hibbard
Arthur Conan DoyleHimself
Virginia Brown FaireMarquette
Nelson McDowellLawyer
