
Plot
The legendary Loreley has been living for centuries in a grotto beneath the river Rhein in Germany. Every night when the moon is full, she turns into a reptile-like creature craving for human blood. When one girl after another of a nearby boarding school is killed by her, a hunter named Sigurd is engaged to kill the monster.
Trailer
Cast

Tony Kendall
Sigurd

Helga Liné
Lorelei

Silvia Tortosa
Elke Ackerman

Josefina Jartin
Boarding School Principal

Loreta Tovar
Martha (as Lolita Tovar)

José Thelman
Carlo Donati (as Joseph Thelman)

Luis Induni
Mayor

Francisco Nieto
Blind Violinist

Betsabé Ruiz
Bride-to-Be

Luis Barboo
Alberic

Ángel Menéndez
Professor Von Lander

Sergio Mendizábal
Doctor

Marisol Delgado
Brigitte (as Mary Sol Delgado)

Victoria Hernández
Teresa (as Vicky Hernandez)

María Vidal
Maid (as Mary Vidal)

Javier de Rivera
Preacher

Antonio Orengo
Old Man

Cristino Almodóvar
Boat Man

Bárbara Rey
Lorelei's Assistant (uncredited)

Iris André
Blonde Victim (uncredited)

María Luisa Tovar
Cavewoman #1 (uncredited)