Serpiente de mar
Diễn viên
Charly Bravo
Pilar Alcón
Nurse (as Diana Eagle)
Paco Catalá
José Ramón Pardo
Timothy Bottoms
Pedro Fontán
Jared Martin
First Mate Lemaris
Ray Milland
Professor Timothy Wallace
Jack Taylor
Hospital Killer
León Klimovsky
Dr. Moore
Jorge Bosso
Gérard Tichy
Carole James
Jill
Víctor Israel
Porto, Night Watchman
José Canalejas
José Bastida
Fabián Conde
Luís Zagalo
Taryn Power
Margaret
Teresa del Olmo