Casts
Bessie Love
as Paula White
Lewis Stone
as Sir John Roxton
Wallace Beery
as Prof. Challenger
Lloyd Hughes
as Edward E. Malone
Alma Bennett
as Gladys Hungerford
Arthur Hoyt
as Prof. Summerlee
Margaret McWade
as Mrs. Challenger
Bull Montana
as Ape Man
Jules Cowles
as Zambo
Arthur Conan Doyle
as Himself
