Louis Koo as Inspector Kaul

Eric Tsang Chi-Wai as Kau Ming

Teresa Mo Shun-Kwan as Mrs. Anson Kau

Hans Zhang as Johnny Kei

Gordon Lam Ka-Tung as Tim Kau

Chrissie Chau Sau-Na as Cindy Cheung / Mavis / Snow / Alice / May Cheung / Jean Wong

Karena Ng Chin-Yu as Sherry Kau

Liu Yan as Yvonne Kwok

Raymond Wong Pak-Ming as Factory Manager / Famous Store Manager / Nightclub Customer / Bartender / Female Secretary / Gangster

Donnie Yen as Band Members

Alex Kong Ka-Chun as Kau's housekeeper

Leo Lo Hoi-Ying as Kau's housekeeper

Wong Siu-Foon as Kau's housekeeper

Angel Koo Tsui-Ying as Kau's housekeeper

Liu Kwok-Hung as Porter

Chong Man-Lung as Porter

Li Lam as Porter

Mark Cheung Yiu-Fai as Porter

Tam Kon-Chung as Porter

Chan Chi-Wai as Porter

Helena Law Lan as Butler

Jessica Jann as Sherry's Best Friend

Jacqueline Chong Si-Man as Famous Store Sales

Tam Bing-Man as Nightclub Customer

Felix Lok Ying-Kwan as Nightclub Customer

Michelle Lo as Nightclub Manager

Gary Ngan Xlarge as DJ

Alex Lam Tak-Shun as Four Eyes

Lisa Chong Si-Ming as Bartender's Girlfriend

Anthony Sandstrom as Disco Customer

Michael Tse Tin-Wah as Super Waiter

Jenny Xu as Jenny

Chan Chung as Friend of Yvonne Kwok

Cheong King-Hang as Friend of Yvonne Kwok

Ng Chun-Kit as Friend of Yvonne Kwok

Alvis Lo Chun-Lung as Friend of Yvonne Kwok

Kimmi Tsim as Friend of Yvonne Kwok

Lam Pik-Yee as Friend of Yvonne Kwok

Kammy Kong Kam-Mei as Friend of Yvonne Kwok

Jane Wong as Friend of Yvonne Kwok

Tommy Leung Pok-Yan as Young Man

Kingdom Yuen King-Tan as Mrs. Leung

Elena Kong Mei-Yee as Mrs. Chiu

Emily Kwan Bo-Wai as Mrs. Cheung

Jill Yeung as Women's Aid Association Assistant

Kelly Cheung Tze-Yu as Women's Aid Association Assistant

Fung Chi-Yip as Male Guest

Au Yeung-Fung as Male Guest

Peter Au Wai-Kuen as Male Guest

Cheng Ngai-Bong as Male Guest

Chan Fung-Chun as Female Guest

Yip Yi-Ka as Female Guest

Yip Shuk-Yee as Female Guest

Dada Chan Ching as Sexy

Cheung Tat-Ming as Playboy

Amanda Lee Wai-Man as Snow

Stephy Tang Lai-Yan as Yvonne's Assistant

Annie Liu Xin-You as Mrs. Wong's maid

Kelly Chen as Inspector Jane

Wong Yau-Nam as Inspector Wong