아마존 정글 깊숙한 곳, 잊혀진 시간의 땅으로 향하는 챌린저 교수와 원정대. 공룡이 실존한다는 그의 주장은 광기일까, 아니면 경이로운 진실일까.
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)
