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.

• Maxper Producciones Cinematográficas (Maximiliano Pérez Flórez)
• Paul Naschy
• Perla Cristal
• Verónica Luján
• Miguel de la Riva
• Pilar Zorrilla
• José Marco
• Francisco Amorós
• Javier de Rivera