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.
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
Barta Barri
Ángel Álvarez
Ángel Menéndez
Luis Barboo
Ana del Arco
Blaki
Enrique Navarro
Isidro Luengo
Javier de Rivera
Federico Betancourt
Antonio Orengo
Agustín Bescos
Román Ariznavarreta
Deborah Watling