|Plot: An undercover cop goes to jail to infiltrate a gang and uses his assignment to get revenge.
Rating: 5.8/10 (128 votes)
Director: Franco Prosperi
Writer: Peter Berling (screenplay), Antonio Cucca (screenplay), Claudio Fragasso (screenplay), Alberto Marras (screenplay)
Stars: Ray Lovelock, Martin Balsam, Elke Sommer, Ettore Manni
Runtime: 94 min
Genre: Crime, Thriller
Released: 1976 Oct 09