- Adaptation Displacement: Few people realize the film was based on a short-story turned novel.
- It Was His Sled: The lodger is actually Jack the Ripper...except in the Hitchcock adaption.
- Nightmare Fuel: Your well-paying, unobtrusive lodger just might be one of the most notorious serial killers to ever exist. And your young daughter is coming to visit.
YMMV / The Lodger