Calificación
Reparto

Bessie Love
Paula White

Lewis Stone
Sir John Roxton

Wallace Beery
Prof. Challenger

Lloyd Hughes
Edward E. Malone

Alma Bennett
Gladys Hungerford

Arthur Hoyt
Prof. Summerlee

Margaret McWade
Mrs. Challenger

Bull Montana
Ape Man

Frank Finch Smiles
Challengers Diener

Jules Cowles
Zambo

George Bunny
Colin McArdle

Charles Wellesley
Maj. Hibbard

Arthur Conan Doyle
Himself

Virginia Brown Faire
Marquette

Nelson McDowell
Lawyer

Gilbert Roland
Extra