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