
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.
Cast

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)
John Graham
Stuart Holmes (uncredited)

Larry Chance
Indian Chief (uncredited)

Bert Stevens
Reporter at Airport (uncredited)

Al Bain
Man at Airport (uncredited)

Bess Flowers
Guest at Zoological Institute Forum (uncredited)

Kenner G. Kemp
Guest at Zoological Institute Forum (uncredited)

Cosmo Sardo
Guest at Zoological Institute Forum (uncredited)
Murray Pollack
Guest at Zoological Institute Forum (uncredited)
Crew

Irwin Allen
Director, Screenplay, Producer

Charles Bennett
Screenplay

Arthur Conan Doyle
Novel
Hugh S. Fowler
Editor
Winton C. Hoch
Director of Photography
Ad Schaumer
Assistant Director
Paul Zastupnevich
Costume Design
Helen Turpin
Hairstylist
Ben Nye
Makeup Artist

Willis H. O'Brien
Visual Effects
Paul Sawtell
Original Music Composer
Bert Shefter
Original Music Composer
Joseph Kish
Set Decoration
Walter M. Scott
Set Decoration
John Sturtevant
Set Decoration
Duncan Cramer
Art Direction
Walter M. Simonds
Art Direction
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