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

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

麥樹燊

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