Anybody remember a movie from the 1960s called NIghtmare?

I think it was called "Nightmare." Somebody was trapped in a house and there was this spooky guy who looked like Jesus walking around in the dark, and I don't think he talked. I saw it in a drive in theatre with my parents in the 1960s. It sticks in my mind. I tried looking it up on the Internet but there were a bunch of other movies also called "NIghtmare" and I couldn't figure it out.