The first film adaptation of Sir Arthur Conan Doyle's classic novel about a land where prehistoric creatures still roam.

Bessie Love
as Paula White

Lewis Stone
as Sir John Roxton

Wallace Beery
as Prof. Challenger

Lloyd Hughes
as Edward E. Malone

Alma Bennett
as Gladys Hungerford

Arthur Hoyt
as Prof. Summerlee

Margaret McWade
as Mrs. Challenger

Bull Montana
as Ape Man

Frank Finch Smiles
as Challengers Diener

Jules Cowles
as Zambo
CinemaSerf
Wallace Beery is the rather eccentric "Prof. Challenger" - an eminent explorer who tries to convince his justifiably sceptical peers of a plateau in the Amazonian jungle where there be dinosaurs... Derided and ridiculed, he secures some funding from "Sir John Roxton" (Lewis Stone), assembles a team ...