cast
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Bessie Love
Paula White
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Lewis Stone
Sir John Roxton
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Wallace Beery
Prof. Challenger
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Lloyd Hughes
Edward E. Malone
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Alma Bennett
Gladys Hungerford
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Arthur Hoyt
Prof. Summerlee
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Margaret McWade
Mrs. Challenger
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Bull Montana
Ape Man
- Frank Finch Smiles Challengers Diener
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Jules Cowles
Zambo
- George Bunny Colin McArdle
- Charles Wellesley Maj. Hibbard
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Arthur Conan Doyle
Himself
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Virginia Brown Faire
Marquette
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Nelson McDowell
Lawyer
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Gilbert Roland
Extra
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Leo White
Percy Potts