Louis Koo
Sze-To Bo
Aaron Kwok
Tony
Cherrie Ying Choi-Yi
Mona
Tony Leung Ka-fai
Lee Kong
Jordan Chan
Mona's Agent
Eddie Cheung
Boss Savage
Calvin Choi Yat-Chi
Jing
Jack Kao
Mona's Father
Lo Hoi-pang
Master Cheng
Hung Wai-Leung
Arcade Player with Savage
Lu Ching-Ting
Savage's Runner
Ronald Yan Mau-Keung
Sze-To's Boss
Ho Sai-Man
Club Doorman
Well Chin Wing-Wai
Club Customer
Li Haitao
Club Saxophonist
Wing Chung
Judoist
Kary Ma Ho-Yee
Judoist
Kelly Lau Miu-Kei
Judoist
Kwok Yue-Kin
Judoist
Tsang Tak-Ming
Judoist
Lee Long-Ming
Gambler
Jimmy Wong Wa-Wo
Taxi Driver (uncredited)
Yuen Bun
Sze-To's Boss (uncredited)
Robin Wan Kam-Fai
Judoist
Joe Lee Nim-Cho
Judoist
Tai Bo
Judoist
Tsui Ka-Ho
Judoist
Kwok Pak-Yin
Judoist
Yeung Fan
Judoist
Cheung Wai-Kit
Judoist
David M. Richardson
Editor
Peter Kam Pau-Tat
Original Music Composer
Stanley Cheung Sai-Kit
Costume Design
Johnnie To
Director
Cheng Siu-keung
Director of Photography
Yau Nai-hoi
Writer
Tony Yu
Art Direction
Au Kin-yee
Writer
Yip Tin-Shing
Writer
Chiu Chi-Shing
Unit Manager
Simon Fung
Assistant Editor
Lam Wai-Lun
Boom Operator
Lam Wai-Lun
ADR Recordist
Johnnie To
Producer
Pad Chan Wai-Hung
First Assistant Director
Stephen Lam Bing-Kwan
Producer
Ho Chi-Hang
First Assistant Director
Ng Kwok-Fai
Boom Operator