- California Doubling: Set in Boston and is partly shot there, with Madrid and Valencia, Spain used for most locations.
- Completely Different Title:
- Original title: A Thousand Cries Has the Night
- English: Pieces
- Brazil: The Chainsaw Terror
- France: The Sadist with the Chainsaw
- Germany: The Chainsaw Killer
- Greece: Chopping
- Japan: Blood Pieces Devil's Chainsaw
- Netherlands: Chainsaw Devil
- Poland: Remains
- The Foreign Subtitle:
- Canada: Pieces: The Chainsaw Sadist
- Same Language Dub:
- Paul L. Smith's and Jack Taylor's dialogue were dubbed by Edward Mannix, who made a career about giving English voice acting on Italian films like Zombi 2 and Cannibal Holocaust.
- Ian Sera was also dubbed, due to having a thick Gibraltarian accent.
- Old Shame: For Lynda Day Georgenote ; she refused to be interviewed for its 2008 DVD release.
- Throw It In!: The scene of the tennis player victim wetting herself had the actress actually wet herself due to the chainsaw being too close to her and the director decided to keep it.