Tony Leung Ka-fai

Inspector So

鄭裕玲

Ching

Cheng Pak-Lam

Berlin

吳孟達

Uncle Tat

Do Siu-Chun

Cousin

Moon Lee Choi-Fung

Woo Shiu Fung/Mosquito Paper

龍天生

Seng

曹榮

Lollipop

李道瑜

Doctor

Yau Gin-Gwok

Diamond thief leader

蔡國強

Keung

鄧超友

Diamond Theif

Won Jin

Luk's Mute Sifu

陸劍明

Mahjong Player Luk

梁啟智

Mahjong Player

Mak Shu-San

Mahjong Player

王文成

Furniture Mover

黃偉亮

Drug Trafficker

朱祖權

Drug Trafficker

譚偉民

Drug Buyer

陳世騰

Security Guard

蔡國平

Armed Security Guard

胡榮達

張旭燊

Anti-Narcotic Cop