Chan Siu Hong is a lawyer who goes into jail after hitting a vicious policeman. He's welcomed by the inmates because he convinces fellow inmates not to use violence to settle every dispute.
| Actor | Role |
|---|---|
 Francis Ng Chun-YuChan Siu Hung | Chan Siu Hung |
 Peter Kam-Cheong YungWong Tse Seng | Wong Tse Seng |
 Lung FongPiranha | Piranha |
 Elvis Tsui Kam-KongChief Warden | Chief Warden |
 Samuel Leung Cheuk-MoonPrisoner 'Red Child' | Prisoner 'Red Child' |
 Lee Siu-KayPrisoner Brother Kei | Prisoner Brother Kei |
 Lawrence Lau Sek-YinPrisoner Pak Ja | Prisoner Pak Ja |
 William HoPrisoner Kwai Gei | Prisoner Kwai Gei |
 Tats LauPrisoner 'Fairy' | Prisoner 'Fairy' |
 Bowie Lau Bo-YinPrisoner Man-Sau-Mou | Prisoner Man-Sau-Mou |
 Maggie Lau Kwan-YeeChan's little sister | Chan's little sister |
| CChung Koo-LingChung | Chung |