A man is framed for murder and sent to prison. He is beaten and tortured, then forced to fight the prison's worst killer, a martial-arts fighting midget called Thud.
Leon Isaac Kennedy
Too Sweet
Anthony Geary
Serenghetti
Steve Antin
Roscoe
Rick Zumwalt
Joshua
Raymond Kessler
Midnight Thud Jessup (as The Haiti Kid)
Danny Trejo
See Veer
Jim Bailey
Cleopatra
Ric Mancini
Warden
Ty Randolph
Sugar
Raye Hollitt
Female Boxer
Bert Williams
Tim Shoah
Jack Rader
Fred
George Payne
Jess
Drew Bundini Brown
Sugg
"Penitentiary III" (1987) trailer
Trailer
1979 · Movie
1982 · Movie
1987 · Movie
2014 · Movie
2006 · Movie
1991 · Movie
2022 · Movie
2003 · Movie
2026 · Movie
2010 · Movie
2020 · Movie
1993 · Movie
2012 · Movie
2023 · Movie
1990 · Movie
1989 · Movie
2017 · Movie