Masataka Kubota as Leo Katsuragi

Nao Omori as Ōtomo

Shota Sometani as Kase

Sakurako Konishi as Monica

Becky as Julie

Takahiro Miura as Yasu

Mami Fujioka as Chiachi

Yen Cheng-kuo as Wan

Duan Chun-hao as Fu

Maimi Yajima as Miyuki

Masayuki Deai as

Jun Murakami as Ichikawa

Kenichi Takitoh as

Sansei Shiomi as The stand-in

Seiyo Uchino as Gondō

Bengal as

Daisuke Honda as

Shin Koyanagi as

Arata Yamanaka as

Satoshi Niizuma as

Miyu Sasaki as

Tomohito Nakajima as

Hideto Suzuki as

Cristiano Akio Ito as

Nana Komaki as

Ryuhei Watabe as

Kazuhiko Ozaki as

Shinichiro Matsuura as

Akifumi Uchida as

Kyo Hirayama as Boxing Maniac