
1987
He thought he knew the risks of going undercover.
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.

Chow Yun-Fat
Ko Chow

Sun Yueh
Inspector Lau Ting-Kuang

Danny Lee Sau-Yin
Fu / Tiger

Carrie Ng Ka-Lai
Hung

Roy Cheung Yiu-Yeung
Inspector John Chan

Lau Kong
Commissioner Chow

Fong Yau
Chow Nam

Parkman Wong Pak-Man
Detective Man

Jessica Chow Bo-San
Rose / Mei

Tommy Sham Sai-Sang
Skinny

Joseph Chi Chiong Chavez
Tsai / Joe

Chan Chi-Fai
Chen Ching / Tai Song

Victor Hon Kwan
Bill / Piao

Tommy Wong
Detective Kwong

Chan Yuen-Tat
Mr. Cou

Yeung Kim-Man
John Chan's Subordinate

Elvis Tsui Kam-Kong
Chan Kam-Wah

Cheng Mang-Ha
Chow's Grandmother

Ringo Lam Ling-Tung
Chow's Contact

Well Chin Wing-Wai
Food Delivery Man

Ho Chi-Moon
Jewelry Store Staff

Szeto Yue-Wa
Jewelry Store Staff

Maria Cordero
Lounge Singer

William Ho
Nightclub Boss Hsu / Tsui

Ng Kwok-Kin
Police Officer

Stephen Chan Yung
Police Officer

Fei Pak
Police Officer

Lau Tze-Ming
Police Officer

Alex Ng Hong-Ling
Security Guard

Garry Chan Chi-Shing
Security Guard

Wu Shih