Professor Challenger leads an expedition of scientists and adventurers to a remote plateau deep in the Amazonian jungle to verify his claim that dinosaurs still live there.
Director
Irwin Allen
Michael Rennie
Lord John Roxton
Jill St. John
Jennifer Holmes
David Hedison
Ed Malone
Claude Rains
Prof. George Edward Challenger
Fernando Lamas
Manuel Gomez
Richard Haydn
Prof. Summerlee
Ray Stricklyn
David Holmes
Jay Novello
Costa
Vitina Marcus
Native Girl
Ian Wolfe
Burton White
Colin Campbell
Prof. Waldron (uncredited)
Larry Chance
Indian Chief (uncredited)
Al Bain
Man at Airport (uncredited)
US
