Chasing the Dragon

Donnie Yen

Crippled Ho

Andy Lau Tak-Wah

Lee Rock

Kent Cheng Jak-Si

Piggy

Wilfred Lau

Wayne

Felix Wong

Jan

Philip Keung Hiu-Man

Wil

Michelle Hu

Jane

Raquel Xu

Rose

Philip Ng

Wai Man

Kent Tong

Tong

Niki Chow Lai-Kei

Ho's ex-wife - May

Bryan Larkin

Hunter

Julian Gaertner

Translator

Philippe Joly

Chief Commissioner of Police

Kenneth Tsang

Sir Chow

Michael Chan

Master Dane

Terence Yin

Tong's Brother

Ricky Wong Chun-Tong

Grizzly Bear

Ben Ng Ngai-Cheung

Chubby

Jai Day

Jason Wong

Comic

Jonathan Lee Yat-Sing

Peter

Yu Kang

Chad

Lawrence Chou Chun-Wai

Willy

Han Xinyi

Snake Dancer

Chun Wong

Uncle Niu

Michael Szuc

Peter Godber

Chloe Chan

Alva

Anders Nelsson

Mr Glen

Qing Xia

Grizzly Bear's Wife

Zhang Hongyi

Tong's Wife

Dominic Ho

Man Ng

Jiraphat Intrasthit

Drug Dealer in Thailand

Bianca Stam

Commissioner of ICAC

Jack Wong Wai-Leung

Andy Wong Chi-Man