John Graham as Stuart Holmes - Edward Malone's employer and the father of Jennifer and David Holmes.Ian Wolfe as Burton White - A professor who visited the Amazon Plateau before Challenger's expedition.Jay Novello as Costa - Gomez' assistant who also guides the expedition into the plateau.Ray Stricklyn as David Holmes - The brother of Jennifer Holmes and the son of Malone's boss Stuart Holmes.Richard Haydn as Professor Summerlee - A rival of Challenger's who joins the expedition.Fernando Lamas as Manuel Gomez - The expedition's helicopter pilot.Claude Rains as Professor George Edward Challenger - The short-tempered leader of the expedition.
David Hedison as Ed Malone - A journalist at the Global News who volunteers to join the expedition.
John as Jennifer Holmes - The daughter of the owner of the Global News. Michael Rennie as Lord John Roxton - An experienced big-game hunter who joins the expedition.The egg hatches when it is dropped by accident, and Professor Challenger decides to take the infant dinosaur back to London with them. During a volcanic eruption, they escape from the plateau carrying the egg of a Tyrannosaurus rex. Challenger and his companions travel to an isolated plateau, where they encounter prehistoric creatures and other hazards, and discover the legacy of a previous explorer that reveals the hidden past of one of their team. When his colleagues dismiss his claims, he challenges the Society to mount another expedition to verify his story. Professor Challenger ( Claude Rains), a famed biologist and anthropologist, reports to the London Zoological Society that he has discovered living specimens of supposedly extinct animals, including dinosaurs, on an expedition to the Amazon Basin. The cast includes Claude Rains,ĭavid Hedison, Fernando Lamas, Jill St.
The plot of the film revolves around the exploration of a flat mountain in Venezuela inhabited by cannibals, dinosaurs, carnivorous plants, and giant spiders. The Lost World is a 1960 De Luxe Color and a CinemaScope fantasy adventure film loosely based on the novel of the same name by Arthur Conan Doyle and directed by Irwin Allen.