Det ensamma husets hemlighet
- År: 1939
- Land: United States of America
- Genre: Mystik, Thriller
- Studio: 20th Century Fox
- Nyckelord: suicide, blackmail, nightclub, magic show, challenge, mind reading, police detective, knife throwing, disguise, newspaper reporter, séance, extrasensory perception, spiritualism, propeller airplane, world's fair, magician, mysticism, magician assistant, comical sidekick, charlie chan, phoney spiritualist, pygmy darts, driven to suicide, airplane in storm
- Direktör: Norman Foster
- Kasta: Sidney Toler, Victor Sen Yung, Cesar Romero, Douglas Fowley, Pauline Moore, Donald MacBride