The Two Faces of Dr. Jekyll (1960)
Absorbed in research directed towards freeing the two natures of man, Dr. Jekyll degenerates in to Mr. Hyde, a vengeful maniac. While Hyde wants revenge against a gambler whom his wife is in love with, Dr. Jekyll, takes steps to do away with his evil self.
The Gorgon (1964)
In a rural village, a series of murders have been committed where each victim was turned into stone. A local professor investigates and finds an evil Gorgon haunting a nearby castle and in search of more victims.