Andy Lau

as Kwai / Andy

Rosamund Kwan Chi-Lam

as Nicole

Carol Cheng

as Cher

Stanley Fung Shui-Fan

as Frank

Chingmy Yau Suk-Ching

as Tau Tau / Amy

Sandra Ng Kwan-Yu

as Dorlina

Natalis Chan Pak-Cheung

as Horny / Chiu

Charlie Cho Cha-Lee

as Smelly King

Stuart Yung Sai-Kit

as Fu

Lawrence Ng Kai-Wah

as Robert Cheng

Joan Tong Lai-Kau

as Amy's Friend

Michael Miu Kiu-Wai

as Superintendent

Jaime Chik Mei-Chun

as Superintendent's Girlfriend

Shing Fui-On

as Amy's Brother

Lau Siu-Ming

as Fok Ga-Tung

Pak Yan

as Fok Ga-Tung's Wife

Hui Ying-Sau

as Kwai's Uncle

Helena Law Lan

as Amy's Mother

Teddy Yip Wing-Cho

as Amy's Father

Law Ho-Kai

as Mr. Lau

Yiu Yau-Hung

as ABC

Chan Fai-Hung

as Fok's Office Worker

Wong San

as Fok's Office Worker

Chan Pak-San

as Mr. Wong

Jameson Lam Wa-Fan

as Michael

Tsang Choh-Lam

as Plays Chu Liu-Hsiang Music

Cheung Kwok-Wah

as Thug

Chow Kong

as Thug

Yiu Man-Kei

as Thug

Fong Yue

Lee Yiu-King

as Thug

Lee Wah-Kon

Fei Pak

as Policeman

Mak Shu-San

as Wedding Guest

Cho Sai

as Wedding Guest

Sherman Wong

Peter Kwok Bei-Dak