龍虎風雲 (1987)
"He Thought He Knew the Risks of Going Undercover."

Title: City on Fire
Original Title: 龍虎風雲
Release Date: 1987-02-13
Status: Released
Rating: 7/10 (from 148 votes)
Language: CN
Genres: Action, Crime, Thriller
Production Companies: Cinema City
Ko Chow is an undercover cop who is under pressure from all sides. His boss, Inspector Lau, wants him to infiltrate a gang of ruthless jewel thieves; his girlfriend wants him to commit to marriage or she will leave Hong Kong with another lover; and he is being pursued by other cops who are unaware that he is a colleague. Chow would rather quit the force, feeling guilty about betraying gang members who have become his friends.
Cast

Chow Yun-Fat
Ko Chow

Danny Lee Sau-Yin
Tiger

Sun Yueh
Inspector Liu Ting-Kuang

Carrie Ng Ka-Lai
Hung

Roy Cheung Yiu-Yeung
Inspector John Chiao Chi

Lau Kong
Commissioner Chow

Elvis Tsui Kam-Kong
Chan Kam-Wah

Fong Yau
Chow Nam

Chan Chi-Fai
Chen Ching / Tai Song

Joe Chu Kai-sang
Tsai