William Ho

Warden Sugiyama

Gloria Yip Wan-Yee

Keiko

Yukari Ôshima

Huang Chung / West Block

Frankie Chan Chi-Leung

Hai / North Block

Kôichi Sugisaki

Tarzan San Tai / East Block

Wong Kwai-Hung

Blondie Shiraga / South Block

Tetsuro Tamba

Master Zhang

Chang Gan-Wing

Lao Ma

Power Chan Kwok-Pong

Hai's Godson

Wong Kwok-Leung

Prison Warden's Son

Wong Chi-Keung

Guan Dao / Dragon Gang Head

Phillip Kwok Chun-Fung

Ah Guang / Ricky's Mate

Lam Kai-Wing

Wild Cat / Store Leader

Chan Ging

Centipede / Wild Cat's Thug

Bill Lung Biu

Ye Ming / Wild Cat's Thug

Lam Suet

Wild Cat's Thug / Warden Sugiyama's body double

Chiu Chi-Shing

Prisoner

Kong Long

Prison Guard

Jackson Ha Chak-Shun