Overview
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.
Cast & Crew
Director: Juan Piquer Simón
Cast: Kenneth More, Pep Munné, Frank Braña, Jack Taylor, Ivonne Sentis, José María Caffarel, Lone Fleming, Emiliano Redondo, George Rigaud, Ricardo Palacios, Fabián Conde, Manuel Pereiro
