Bessie Love
Paula White
Acting
Lewis Stone
Sir John Roxton
Acting
Wallace Beery
Prof. Challenger
Acting
Lloyd Hughes
Edward E. Malone
Acting
Alma Bennett
Gladys Hungerford
Acting
Arthur Hoyt
Prof. Summerlee
Acting
Margaret McWade
Mrs. Challenger
Acting
Bull Montana
Ape Man
Acting
Frank Finch Smiles
Challengers Diener
Acting
Jules Cowles
Zambo
Acting
George Bunny
Colin McArdle
Acting
Charles Wellesley
Maj. Hibbard
Acting
Arthur Conan Doyle
Himself
Writing
Virginia Brown Faire
Marquette
Acting
Nelson McDowell
Lawyer
Acting
Gilbert Roland
Extra
Acting
Leo White
Percy Potts
Acting