Cast 17

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

Leo White

Percy Potts

Crew 12

Marion Fairfax

Writing

Cecil Holland

Costume & Make-Up

Arthur Edeson

Camera

Marcel Delgado

Crew

Arthur Conan Doyle

Writing

Milton Menasco

Art

Willis H. O'Brien

Crew

Harry O. Hoyt

Directing

Earl Hudson

Production

George McGuire

Editing

Perc Westmore

Costume & Make-Up

Willis H. O'Brien

Visual Effects