Cast and credits of Mafia.com

Danny Lee
Sgt. Ken Wong

Roy Cheung
Karl Sung

Jackie Chung-yin Lui
Wong Chiu (as Jackie Lui)

Ben Ng
'Seven' / 'Killer' Wong

Grace Yip
Lily (as Grace Ip)

Wai-Man Chan
Brother Man - Drug Dealer (as Chan Wai Man)

Siu-Kei Lee
Uncle Long / Lone (as Lee Siu Kay)

Chi Hung Ng
Underground Boxing Referee (as Ng Chi Hung)

Fung On Shi
Lily's Brother / Chiu's Village Gang Boss (as Sing Fu On)

Lan Law
Pun Kam-Lin - Killer's Mother (as Law Lan)

James Ha Jim-Si
James

Kai-Keung Sze
Underground Boxing Triad Boss (as Sze Kai Keung)