Daniel Wu as Dave Wong

Nick Cheung Ka-Fai as Hon Kong / Riot police officer

Andy On Chi-Kit as Ben Chan

Liu Kai-Chi as Broker

Christie Chen as Liz Kwok

Dominic Lam Ka-Wah as Inspector Mok

Chi Kuan-Chun as Dave's Father

Astrid Chan Chi-Ching as Stephanie

Joseph Lee Kwok-Lun as Effigy

Stephen Au Kam-Tong as Emcee

Samuel Leung Cheuk-Moon as Rookie

Dave Lam Ching as Chanter

Ken Wong as Smart Ass

Deep Ng Ho-Hong as Kwong

Alice Fung So-Bor as Granny

Philip Keung Ho-Man as Station Sergeant

Woo Ying-Man as Private Nurse

Ken Law Ho-Ming as Ming

Au Tin-Long as Dave (childhood)

Ray Pang Lap-Wai as Sergeant

Lau Wai-Ming as Undertaker

Singh Hartihan Bitto as Indonesian Man

Lee Kai-Man as Garage Boss

Louis Ng as Garage Worker

Wu Hai-Man as News Anchor

Amy Li as Blind Girl

Ellen Liu Oi-Ling as School Janitor

Lai Cheung-Wing as Shop Owner

Li Wai-Sing as Junkie

Jiang Ke-Cheng as Thug

Cheung Wing-Cheung as Thug

Suen Chung-Tak as Criminal Investigation Department (CID)

Eddie Che Wai-Yin as Criminal Investigation Department (CID)

Luk Man-Wai as Criminal Investigation Department (CID)

Mosco Ma as Criminal Investigation Department (CID)

Alex Ng as Criminal Investigation Department (CID)

Chow Mei-Shing as Criminal Investigation Department (CID)

Dennis Chan Wing-Fai as Criminal Investigation Department (CID)

Wong Wai-Shun as Criminal Investigation Department (CID)

Ng Kiu as Old building resident

Tsang Kit-Hing as Old building resident

Ho Ching-Ling as Nurse

Kwok Mei-Sun as Nurse

Wong Lam as Nurse

Lam Mok-Sing as Nurse

Jane Wong as Nurse

Apple Chow Suk-Wai as Gas station staff

Wu Zhan-Peng as Gas station staff

Andy Wong Chi-Man as Gas station staff

Au Wing-Hin as Gas station staff