- Country: Japan
- Genres: Crime
- Release: 1970-06-20
- Director: Shin Takakuwa
- Writers: Fumio Kōnami , Shin Takakuwa
- Language: Japanese
- Stars: Koji Tsuruta , Ryō Ikebe , Tomisaburō Wakayama , Akiko Kudō , Fumio Watanabe , Ryōji Hayama , Rinichi Yamamoto
- Runtime: 93 min
- Awards: N/A
- AKA: Nihon boryoku-dan: kumicho kuzure , 日本暴力団 組長くずれ (Japan) , Japan's Violent Gangs: Degenerate Boss (United Kingdom) , Japan's Violent Gangs: Degenerate Boss (United States of America) , Japan's Violent Gangs: Degenerate Boss , Epitaph for an Unknown Gangster , Japan's Violent Gangs - Degenerate Boss
- Plot: Terajima, an ex-yakuza and current nightclub owner, is brought back into the world of crime when his former brother attempts a hostile take over.
- IMDB:tt0226216
Nihon boryoku-dan: kumicho kuzure Cast · · · ALL
Shin Takakuwa
Director
Koji Tsuruta
Ryō Ikebe
Tomisaburō Wakayama
Akiko Kudō
Fumio Watanabe
Ryōji Hayama
Rinichi Yamamoto