The Two Faces of Dr. Jekyll

The Two Faces of Dr. Jekyll is a 1960 horror film by Hammer Film Productions. It was directed by Terence Fisher, and stars Paul Massie as Dr. Jekyll, and costars Dawn Addams, Christopher Lee and David Kossoff. It was written by Wolf Mankowitz, based on the 1886 novella Strange Case of Dr Jekyll and Mr Hyde by Robert Louis Stevenson.

Henry Jekylls wife Kitty cheats on him with his friend Paul Allen who hounds money from Jekyll. Ignoring the warnings of his colleague and friend Dr. Ernst Littauer, Jekyll concocts a chemical potion which he hopes will help him learn the depths of the human mind.By testing the potion on himself, he transforms into Mr. Hyde, a young and handsome, but also murderous and lecherous beast. Soon, Hyde becomes bored with conventional debauchery, and when his eyes catch Kitty, he decides he must have her. When Kitty rejects him, Hyde rapes and murders her, and frames his other self for these crimes. ........

Source: Wikipedia