Kowloon
Tso Chi-tak
Kay Wong
Fong Ning
Wong Bing-cheong
Lam Tik-fong
Alexander Sinclair
Chow Mo
CSP Lai
Uncle
Panther
Yeung
Jane
Coroner
Cheung Fung-hap
Chan San
Cheng Wing-yi
Admen Sinclair
Keung
Mou
Po
Lemon
CID
Charity Boxing Match Host
Underground Boxing Coach/Fighter
Bicycle Rider
Chopsticks
Chopsticks
News Reporter
Uncle's thug
Uncle's thug
Uncle's thug
Uncle's thug
Uncle's thug
Uncle's thug
Young Kowloon
PTU
Chief Superintendent of Police
Senior Superintendent of Police
Senior Superintendent of Police
Senior Superintendent of Police
Ng Ka-yin
Shui
CSP Lai's Deputy
Fong Ning's mother
Fong Ning's father
Doll
Mystery Killer
Underground Boxing Match Host
Underground Boxing Coach Assistant
Charity Boxing Match Referee
Chow Mo's relative
Chow Mo's relative
Chow Mo's relative
Chow Mo's relative
Chow Mo's relative
Chinese Pharmacy Staff