The rise of four semi-corrupt detectives in the Hong Kong police ranks during the late 60's.
| Actor | Role |
|---|---|
 Danny Lee Sau-YinLuk Kong | Luk Kong |
 Simon YamLiu Kit | Liu Kit |
 Waise Lee Chi-HungYiu Hung | Yiu Hung |
 Kent Cheng Jak-SiHo Sum | Ho Sum |
 Yolinda Yan Chor-SinYim Ping | Yim Ping |
 Vincent Wan Yeung-MingSam | Sam |
| KKong Man-SingNot listed | Not listed |
 Frankie Chan Chi-LeungNot listed | Not listed |
 Alan Chui Chung-SanNot listed | Not listed |
 Lee Siu-KayLau Ming | Lau Ming |
 Ho Pak-KwongInformant | Informant |
 Gam BiuNot listed | Not listed |
| FFung Man-GwongNot listed | Not listed |
 Huang ManNot listed | Not listed |
 Mark KingPoliceman | Policeman |
| CChan Shing-HungNot listed | Not listed |
 Wai ChingNot listed | Not listed |
| LLee Chuen-SingNot listed | Not listed |
 San Tak-KanNot listed | Not listed |
 Lui TatNot listed | Not listed |
 Kong Miu-DengNot listed | Not listed |
 Cheung Wing-CheungNot listed | Not listed |
 Leung Gam-SanNot listed | Not listed |
| MMantic YiuNot listed | Not listed |
 Choi Kwok-KeungNot listed | Not listed |
| YYu Ngai-HoNot listed | Not listed |
 Tang CheungNot listed | Not listed |
 Tsim Siu-LingNot listed | Not listed |
| Yolinda Yan Chor-SinLee Yim-Ping | Lee Yim-Ping |
 Bill Lui Cho-HungNot listed | Not listed |