another:
(slight overspillage here)
Confused and slightly unstable man's furniture and appliances are disappearing while he's at work, but it's later revealed that it's actually the handiwork of a hobo up in the attic. The title: The Man Upstairs
the idea involves a few other characters too...
There's a
1958 movie called The Man Upstairs I've never seen (I saw a few minutes of it once) and there's a
1992 TV movie with Katherine Hepburn and Ryan O'Neal also.