- HD 1080
- Runtime: 96m.
- Status: Released
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- Languages: en
- Country: United States of America
- Director: Robert Martin Carroll
- Stars: David Carradine, Brad Dourif, Paul L. Smith, Sydney Lassick, Savina Geršak
- Production_studio: Trans World Entertainment
- Slogan: There are some secrets you can't keep chained up forever...
- providers: Amazon Prime Video, fuboTV, Epix Amazon Channel, MGM Plus Roku Premium Channel, MGM Plus, Amazon Prime Video with Ads
- The Sonny Boy is featured in the top rankings of 1989
- #88 in Top Action Movies of 1989
- #78 in Top Horror Movies of 1989
A small-town car thief and his transgender wife come across an abandoned infant; they amputate his tongue and train him for a life in crime.
