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