Director
Juan Piquer SimónStarring actors
Kenneth More
Pep Munné
Frank Braña
Jack Taylor
Ivonne Sentis
José María Caffarel
Lone Fleming
Emiliano Redondo
George Rigaud
Ricardo PalaciosDescription
A 19th-century expedition to the Earth's core reveals primordial wonders, prehistoric monsters and a subterranean civilization that may convey the greatest discovery of all.