'Frankenstein's Bloody Terror' trivia and fun facts

Censorship

The principal intention was to set the story in Galicia or Asturias, but the Franco era did not allow to shoot a story about a warewolf in Spain.

The actor Jacinto Molina, also known as Pual Naschy is the screenwriter as well as the main character.

The monster of Frankenstein is not shown once in the entire film.