Season 1

Akio Otsuka

John "Sleepy" Estes (a.k.a. Mad Bull)

Yasunori Matsumoto

Daizaburō "Eddie" Ban

Gara Takashima

Perine Valley

Shin Aomori

Black Tattoo (ep 1)

Mitsuo Senda

Nichol the Electrician (eps 2-3)

Masako Katsuki

Cindy Murphy (ep 4)

Takkô Ishimori

Captain Allen

Chafurin

Cop A (ep 3)/Cop G (ep 4)

Hajime Koseki

Cop D (ep 4)

Hirotaka Suzuoki

Bobby Wong (ep 3)

Ken Yamaguchi

Cop C (ep 4)/Man A (ep 2)

Kenichi Ono

Cop B (ep 4)/James (ep 3)

Kikuko Inoue

Receptionist (ep 1)

Kumiko Watanabe

Yín-Yuè (ep 3)

You Yoshimura

Johnny (ep 1)

Harumi Yoshida

Marie (ep 2)

Kyoko Irokawa

Prostitute A (ep 1)

Mari Yokoo

Nancy Moore (ep 1)

Miho Yoshida

Prostitute A (ep 4)

Minako Arakawa

Lì-Yīng (ep 3)