Man on the Brink (1981)

An undercover cop goes deep undercover to inside one of Hong Kong's most notorious Triad gangs only to find him getting consumed by a life of crime and seediness.

Director: Kwok-Ming Cheung

Cast: Lun Chia, Hing-Yin Kam, Eddie Chan, Oi-Tsu Fung, Chuen Chan, Ling Wei Chen, Kei-Ying Cheng, Ka-Wai Cheung, Yau-kwok Cheung, Yi Chiang, Mei-Bo Chiu, Ping Fong, Ging-Man Fung, Yan-Ling Kuan, Bill Lake, Ardy Lam, Chung Law, Hon-Wai Leung