A Fortaleza Infernal was released in the year 1983。A Fortaleza Infernal is also called as The Keep, Unheimliche Macht, Torreón, Satans borg, Paholaisen pesä, Forteresse noire。

Nazis are sent to guard an old, mysterious fortress in a Romanian pass. One of them mistakenly releases an unknown force trapped within the walls. A mysterious stranger senses this from his home in Greece and travels to the keep to vanquish the force. As soldiers are killed, a Jewish man and his daughter (who are both knowledgable of the keep) are brought in to find out what is happening.

A Fortaleza Infernal actors and actresses include Alberta Watson, Gabriel Byrne, Ian McKellen, Jürgen Prochnow, Robert Prosky, Scott Glenn, William Morgan Sheppard。