
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