古天樂

Ho Kwok Fai / Brain

任賢齊

Fong Chau

葉璇

Woman

馮淬帆

Uncle

林雪

Fatty

Han Yuqin

Fong-chow's Wife

莫小棋

Brain's Wife

Sherwin Ming Tak-Fung

Buyer

Frank Liu Zong-Ji

Police Detective