Director
Harry O. Hoyt
DIRECTOR
Stars (in credits order)
Wallace Beery
Prof. Challenger
Bessie Love
Paula White
Lloyd Hughes
Ed Malone
Lewis Stone
Sir John Roxton
Alma Bennett
Gladys Hungerford
Arthur Hoyt
Prof. Summerlee
Margaret McWade
Mrs. Challenger
Bull Montana
Ape-man
Frank Finch Smiles
Austin
Jules Cowles
Zambo
George Bunny
Colin McArdle
Charles Wellesley
Maj. Hibbard
Jocko the Monkey
Jocko - the Monkey
Arthur Conan Doyle
Sir Arthur Conan Doyle
Mary the Chimpanzee
Mary - the Chimpanzeeuncredited
Malcolm Denny
Undetermined Secondary Roleuncredited
Virginia Brown Faire
Marquette - Half-Caste Girluncredited
Holmes Herbert
George Marion
Old Professoruncredited
Nelson McDowell
Lawyer Advising the Editoruncredited
Jack Murphy
Office Boyuncredited
Robert Page
Policemanuncredited
Gilbert Roland
Leo White
Percy Pottsuncredited