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.
| Actor | Role |
|---|---|
 Kenneth MoreProf. Otto Lindenbrock | Prof. Otto Lindenbrock |
 Pep MunnéAxel | Axel |
 Frank BrañaHans | Hans |
 Jack TaylorOlsen | Olsen |
 Ivonne SentisGlauben | Glauben |
 José María CaffarelProfessor Fridleson | Professor Fridleson |
 Lone FlemingMolly / Martha | Molly / Martha |
 Emiliano RedondoProf. Kristoff | Prof. Kristoff |
 George RigaudProfessor | Professor |
 Ricardo PalaciosTrain Ticket Collector | Train Ticket Collector |
 Fabián CondeNot listed | Not listed |
 Manuel PereiroNot listed | Not listed |
| BBarta BarriProfessor | Professor |
 Ángel ÁlvarezProfessor | Professor |
 Ángel MenéndezNot listed | Not listed |
 Luis BarbooNot listed | Not listed |
 Ana del ArcoHans Cousin's Wife | Hans Cousin's Wife |
 BlakiMuseum Janitor | Museum Janitor |
 Enrique NavarroBookseller | Bookseller |
| IIsidro LuengoNot listed | Not listed |
 Javier de RiveraNot listed | Not listed |
| FFederico BetancourtNot listed | Not listed |
| AAntonio OrengoNot listed | Not listed |
| AAgustín BescosNot listed | Not listed |
 Román AriznavarretaNot listed | Not listed |
 Deborah WatlingGlauben (voice) | Glauben (voice) |