Penitentiary (1979)

Starring:

• Leon Isaac Kennedy
• Thomas M. Pollard 
• Donovan Womack 
• Floyd 'Wildcat' Chatman 
• Badja Djola 
• Ian Foxx 
• Gloria Delaney 
• Hazel Spears 
• Wilbur 'Hi-Fi' White

Storyline
Hitchhiker Martel "Too Sweet" Gordone (Leon Isaac Kennedy) gets a lift from prostitute Linda (Hazel Spears) in her van and travels with her to meet her clients. After a fight breaks out with the men, Gordone is knocked unconscious and awakens to find he has been wrongly charged with murder. As a way to protect himself in prison, Gordone starts fighting other inmates. This leads him to discover an underground boxing tournament, with the top prize being a prison release.