Duffy | Points

I remember watching a movie where a demon is trapped in an electric cage and being studied. At some point, it breaks out and goes on a rampage to escape the underground research facility. And I also remember...

I am trying to help my grandfather find a movie. This is second-hand information. He knows the film is old saw it as a young man. Definately pre-1970 He thinks the movie is Black-and-white Basic plot:...