贝茜·洛芙
Bessie Love
饰:Miss Paula White (as Miss Bessie Love)
刘易斯·斯通
Lewis Stone
饰:Sir John Roxton (as Mr. Lewis Stone)
华莱士·比里
Wallace Beery
饰:Prof. Challenger (as Mr. Wallace Beery)
劳埃德·休斯
Lloyd Hughes
饰:Edward E. Malone (as Mr. Lloyd Hughes)
阿尔玛·班尼特
Alma Bennett
饰:Gladys Hungerford (as Miss Alma Bennett)
亚瑟·霍伊特
Arthur Hoyt
饰:Prof. Summerlee (as Mr. Arthur Hoyt)
玛格丽特·麦克韦德
Margaret McWade
饰:Mrs. Challenger (as Miss Margaret McWade)
Bull Montana
饰:Ape-Man (as Mr. Bull Montana)
Frank Finch Smiles
Frank Finch Smiles
饰:Austin (Challenger's butler) (as Mr. Frank Smiles)
朱尔斯·考尔斯
Jules Cowles
饰:Zambo (Roxton's servant) (as Mr. Jules Cowles)
George Bunny
饰:Colin McArdle (as Mr. George Bunny)
Charles Wellesley
饰:Maj. Hibbard (as Mr. Charles Wellesley)
Jocko
Jocko
饰:Himself (a monkey)
阿瑟·柯南·道尔
Arthur Conan Doyle
饰:Himself (as Sir Arthur Conan Doyle)
Virginia Brown Faire
Virginia Brown Faire
饰:Marquette (half-caste girl) (uncredited)
Nelson McDowell
饰:Lawyer advising the editor (uncredited)
吉尔伯特·罗兰
Gilbert Roland
饰:Extra (uncredited)
李奥·怀特
Leo White
饰:Percy Potts (uncredited)
Jocko the Monkey
饰:Himself