The Legend of Hell House is a 1973 British horror film directed by John Hough and based on the American novel Hell House by Richard Matheson, who also wrote the screenplay. The film stars Pamela Franklin, Roddy McDowall, Clive Revill, and Gayle Hunnicutt as a group of physicists and parapsychologists who spend a week in a purportedly haunted English manor in which previous investigators were killed while doing research. Wikipedia
Emeric Belasco: Welcome to my house. I'm delighted you could come. I'm certain you will find your stay here most illuminating. Think of me as your unseen host, and believe that during your stay here I shall be with you in spirit. May you find the answer that you seek. It is here, I promise you. And now, auf Wiedersehen.