- Country: Japan
- Genres: Comedy, Music
- Release: 2009-02-14
- Director: Kankuro Kudo
- Writers: Kankuro Kudo
- Language: Japanese
- Stars: Aoi Miyazaki , Yuichi Kimura , Ryo Katsuji , Tomorowo Taguchi , Hiroki Miyake , Pierre Taki , Yûsuke Santamaria , Koichi Sato , Show Aikawa , Gen Hoshino
- Runtime: 125 min
- Awards: 2 nominations
- AKA: Brass Knuckle Boys (United States of America) , The Shonen Merikensack (Italy) , Shonen merikensakku , 少年手指虎 (Taiwan) , Brass Knuckle Boys , The Shonen Merikensack , 少年メリケンサック (Japan) , Brass Knuckle Boys (United Kingdom)
- Plot: A record company office worker named Kanna Kurita discovers a punk rock band called Shonen Meriken Sakku / Brass Knuckle Boys through the internet and subsequently decides to represent them on behalf of her company. What Kanna did not know was that the Brass Knuckle Boys consists of all middle aged men.
- IMDB:tt1313146
Brass Knuckle Boys Cast · · · ALL
Kankuro Kudo
Director
Aoi Miyazaki
Kanna Kurita
Koichi Sato
Akio
Yuichi Kimura
Haruo
Tomorowo Taguchi
Jimmy
Hiroki Miyake
Young
Ryo Katsuji
Masaru
Yûsuke Santamaria
Tokita
Pierre Taki
Kinji Kaneko
Seiichi Tanabe
Telya
Kazunobu Mineta
Young Jimmy
Hoshi Ishida
Young Young
Show Aikawa
Kanna's Father
Gen Hoshino
Band Member
Kenta Hamano
Police Officer
Yuriko Hirooka
Sachiko Shimizu