- HD 1080
- Runtime: 74m.
- Status: Released
1
- Languages: en
- Country: United States of America
- Director: Buzz Kulik
- Stars: Scott Jacoby, Pippa Scott, John Larch, Dabney Coleman, Kim Hunter
- keywords: based on novel or book, murder, death, mental illness, peeping tom, death of mother, voyeurism, voyeur, hidden room, disturbed teenager, crawlspace
- Production_studio: Lorimar Productions, American Broadcasting Company (ABC)
- Slogan: The Wood family doesn't know it. But the old house they've just bought is already occupied... by a psychopathic killer.
- The Bad Ronald is featured in the top rankings of 1974
- #79 in Top Drama Movies of 1974
- #22 in Top Thriller Movies of 1974
- #12 in Top Horror Movies of 1974
When awkward teen Ronald Wilby accidentally kills a young girl whose sister rejected his affections, his overbearing mother decides to hide him from the law by creating a concealed room in their home for him to live.
