Nightmare Castle (1965) is a Horror film that follows a sadistic count tortures and murders his unfaithful wife and her lover, then removes their hearts from their bodies. Years later, the count remarries and the new wife experiences nightmares and hauntings. Currently, you can watch Nightmare Castle on YouTube TV, Night Flight Plus, Screambox Amazon Channel, FlixFling. Streaming availability may vary by country and platform over time. It has a user rating of 5.3 out of 10 from 79 votes. Fans of horror movies may also want to explore similar titles below.