The Terror (1963 film)

The Terror 1963 is a low budget American horror film produced and directed by Roger Corman about a French soldier who finds a mysterious woman who turns out to be a ghost. It is famous for being filmed on sets left over from other AIP productions, including The Haunted Palace. The movie was also released as Lady of the Shadows, The Castle of Terror, and The Haunting it was later featured as an episode of Cinema Insomnia and Elviras Movie Macabre.

Set in 1806, the film tells the story of a lost French soldier in the Confederation of the Rhine named Andre Duvalier Jack Nicholson who is saved by a strange young woman named Helene Sandra Knight. She looks like Ilsa, the wife of the baron played by Boris Karloff, who died twenty years before.Investigating who the woman really is, Andre stumbles upon a hidden secret of the Baron After he found Ilsa sleeping with another man named Eric, the Baron killed the two of them, or so he explains. ........

Source: Wikipedia