Beast And The Magic Sword, The (1983)

aka's: La Bestia Y La Espada Mágica/
Ohkami-Otoko To Samurai/The Werewolf And The Magic Sword

In the 16th Century, Waldemar Daninsky (Paul Naschy) goes from his native Europe to Japan, seeking a way to cure himself of being a werewolf. Only a Japanese sorcerer named Kian (Shigeru Amachi) and a magic silver sword can save him. Also stars Beatriz Escudero. (In Spanish language, with English subtitles).