The first film adaptation of Sir Arthur Conan Doyle's classic novel about a land where prehistoric creatures still roam.
Paula White
Sir John Roxton
Prof. Challenger
Edward E. Malone
Gladys Hungerford
Prof. Summerlee
Mrs. Challenger
Ape Man
Challengers Diener
Zambo
Colin McArdle
Maj. Hibbard
Himself
Marquette
Lawyer
Extra
Percy Potts
