Cast e produzione
-
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)
- Luigi MontagnaMontana
- Alma BennettGladys Hungerford
- Virginia Brown FaireMarquette (half-caste girl) (uncredited)
- Nelson McDowellLawyer advising the editor (uncredited)
- Harry HoytRegista
- Jamie WhiteProduzione
- Earl HudsonProduzione
- David ShepardProduzione
- Scott MacQueenProduzione
- Arthur Conan DoyleSceneggiatura
- Marion FairfaxSceneggiatura