Miss "O"

Chow Yun-Fat

Koon

Sarina Sai Zhu-Juan

Ching Yip

Danny Law Sek-Ching

Tin Ching

Koon's Father

Katie Chan Fok-Sang

Ching Yip's Younger Sister

Lin Wen-Wei

Yee So's Henchman

Lin Jing

Ching Yip's Mother

Kong Ngai

Kong

Huang Man

Yee So

Na Na

Mistaken for CY in Bar

Cheung Sum

Director

Cheung Sum

Writer

Hendrick Gozali

Producer

Fan Kung-Wing

Editor

Lee Chi-Hing

Assistant Director

Lou Wai

Script Supervisor

Chang Hua

Sound Recordist

Chen Yung-Sih

Props

Lai Siu-Wah

Makeup & Hair

Frankie Chan Fan-Kei

Music