Trailer
Cast
Lewis Stone
Sir John Roxton
Alma Bennett
Gladys Hungerford
Jules Cowles
Zambo
Virginia Brown Faire
Marquette
Bessie Love
Paula White
Bull Montana
Ape Man
Arthur Conan Doyle
Himself
Nelson McDowell
Lawyer
Leo White
Percy Potts
Lloyd Hughes
Edward E. Malone
Margaret McWade
Mrs. Challenger
Gilbert Roland
Extra
Wallace Beery
Prof. Challenger
Arthur Hoyt
Prof. Summerlee