Penitentiary III (1987)

Penitentiary III
Action, Crime, Drama
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.
Starring
Leon Isaac Kennedy, Anthony Geary, Steve Antin, Rick Zumwalt, Raymond Kessler, Danny Trejo, Jim Bailey, Ric Mancini, Ty Randolph, Raye Hollitt
Directed By
Jamaa Fanaka