The Viper Brothers: Prison Gang 13 (1972) is a Crime, Action film that follows part 3 in a long running (8+1 films) action/comedy/melodrama series about a pair of short tempered, amoral, but not evil chinpira (Bunta Sugawara and Tamio Kawachi) thinking too big of themselves. The Viper Brothers: Prison Gang 13 is not currently listed with streaming providers in your selected region, but availability can change over time. Fans of crime movies may also want to explore similar titles below.