Kenneth More as Prof. Otto Lindenbrock

Pep Munné as Axel

Frank Braña as Hans

Jack Taylor as Olsen

Ivonne Sentis as Glauben

José María Caffarel as Professor Fridleson

Lone Fleming as Molly / Martha

Emiliano Redondo as Prof. Kristoff

George Rigaud as Professor

Ricardo Palacios as Train Ticket Collector

Fabián Conde as

Manuel Pereiro as

Barta Barri as Professor

Ángel Álvarez as Professor

Ángel Menéndez as

Luis Barboo as

Ana del Arco as Hans Cousin's Wife

Blaki as Museum Janitor

Enrique Navarro as Bookseller

Isidro Luengo as

Javier de Rivera as

Federico Betancourt as

Antonio Orengo as

Agustín Bescos as

Román Ariznavarreta as

Deborah Watling as Glauben (voice)