The Terror 1963

A French Army officer, Lieutenant Duvalier, has been separated from his unit and receives help from a mysterious woman. He follows her to the castle of Baron Von Lepp only to find that she is the Baron's wife who died 20 years ago.
Another of Roger Corman's films, starring a young Jack Nicholson with Boris Karloff, Dorothy Neumann, Sandra Knight and directed by Francis Ford Coppola