Distribution et équipe technique
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Bessie LoveMiss Paula White - Wallace BeeryProfessor Challenger
- Lewis StoneSir John Roxton
- Lloyd HughesEdward E. Malone
- Arthur HoytProfessor Summerlee
- Margaret McWadeMrs. Challenger
- Frank Finch SmilesAustin, Challenger's Butler
- Jules CowlesZambo, Roxton's Servant)
- Bull MontanaMontana
- Alma BennettGladys Hungerford
- Virginia Brown FaireMarquette (half-caste girl) (uncredited)
- Nelson McDowellLawyer advising the editor (uncredited)
- Harry O. HoytRéalisation
- Jamie WhiteProduction
- Earl HudsonProduction
- David ShepardProduction
- Scott MacQueenProduction
- Arthur Conan DoyleScénario
- Marion FairfaxScénario