Incubus is an American horror movie. It is black and white. It was released in 1966 and a restored copy of the movie was released in 2001. Leslie Stevens directed the movie and William Shatner starred in it. The actors in the movie did not speak in English. They spoke in Esperanto. The movie was called "Inkubo" in Esperanto. "Incubus" was lost for many years, but an old copy was found in France. The movie was filmed in 18 days in California during 1965. "Incubus" did not become popular and was only distributed in France. Some people believe the movie is cursed because of all of the bad things that happened to the actors and crew. Several of them died by murder or suicide, or had other bad things happen to them, after making the movie.