Chow Yun-Fat

Ken / Ko Chun

Eric Tsang Chi-Wai

Donnie Yen

Shawn Yue Man-Lok

Vincent

Wu Yue

Aoi's enforcer

Andy Lau

Michael "Little Knife" Chan [from God of Gamblers]

Samantha Ko

Aoi's enforcer / Interpol undercover

Nick Cheung Ka-Fai

Mark

David Chiang Da-Wei

Victor

Wong Jing

Smartie

Kenny Wong Tak-Ban

Ben [Interpol]

Kimmy Tong Fei

Rainbow

Carina Lau

Molly

Philip Keung Ho-Man

Ma Tai-fat

Jin Qiaoqiao

Aoi

Yuan Quan

Mark's Ex-Wife

Michelle Hu

Purple [Aoi's assassin]

Connie Man

Jackie [Interpol / Aoi's undercover agent]

Angela Wang

Yan

Julio Acconci

Do Min-shui, Molly's companion

Treechada Petcharat

Thai Casino Boss

Fan Ling

Casino Dealer

Esta Sham

Robot Stupid Qiang

Bella Lo

Victor's Daughter

Zaneta Wong

Ma Tai-fat's Companion