Riki-Oh: The Story of Ricky

Louis Fan Siu-wong

Ricky

Fan Mei-Sheng

Assistant Warden

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 Chui

Ah Guang / Ricky's Mate

Lam Kai-wing

Wild Cat / Store Leader