Mysterious Intruder
- Ár: 1946
- Land: United States of America
- Genre: Mystery, Crime
- Stúdíó: Larry Darmour Productions, Columbia Pictures
- Lykilorð: film noir, b movie, radio series
- Leikstjóri: William Castle
- Leikarar: Richard Dix, Barton MacLane, Nina Vale, Regis Toomey, Helen Mowery, Mike Mazurki