Blue Demon and Zovek in the Invasion of the Dead (Spanish: Blue Demon y Zovek en la invasión de los muertos) is a 1973 Mexican horror film directed by René Cardona, starring Blue Demon (Alejandro Muñoz Moreno) and Professor Zovek (Francisco Xavier Chapa del Bosque). Zovek died during production, and wrestler Blue Demon was brought in to bring the film up to feature length. Plot Professor Bruno Volpi discovers some strange markings on a cliff. Professor Zovek deciphers them to warn of impending catastrophe. Wrestler Blue Demon and Zovek battle zombies. Cast Blue Demon as himself Professor Zovek as himself Christa Linder as Erika Raúl Ramírez as Professor Bruno Volpi References External links Review by D. Wilt 2014 review 1970s Mexican films 1970s Spanish-language films Films directed by René Cardona