A man has had a werewolf curse cast upon him. If he doesn't get rid of it, he turns into a killer werewolf when the moon is full.

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Main Cast: Paul Naschy, Perla Cristal, Verónica Luján, Miguel de la Riva, Pilar Zorrilla, José Marco, Francisco Amorós, Javier de Rivera, Mark Stevens, Ramón Lillo

Director: José María Zabalza

Writer: Paul Naschy

Editors: Luis Álvarez, Sebastián Herranz

Cinematographer: Leopoldo Villaseñor

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