Mad Detective

Sean Lau Ching...

as

Inspector Chan...

Andy On

as

Inspector Ho K...

Gordon Lam Ka-...

as

Ko Chi Wai

Kelly Lin Hsi-...

as

May Cheung

Karen Lee Choi...

as

Gigi

Joseph Lee Kwo...

as

Wong Kwok Chu

Eddie Cheung S...

as

Violent Man - ...

Lam Suet

as

Fatso - Ko's I...

Jay Lau Kam-Li...

as

Calculating Wo...

Jeff Cheung Ka...

as

Ko's Inner Per...

Lu Ching-Ting

as

Ko's Inner Per...

Chiu Chi-Shing

as

Ko's Inner Per...

Hung Wai-Leung

as

Ko's Inner Per...

Flora Chan Wai...

as

May Cheung in ...

Jonathan Lee Y...

as

Weak Boy - Ho'...

Jo Kok Cho-Lam

as

Schemy Woman -...

Eddy Ko Hung

as

The Chief

Yuen Ling-To

as

Policeman

Jimmy Wong

as

Restaurant Man...

Ronald Yan Mau...

as

Chi-Wai's Boss

Apple Chow Suk...

as

7-11 Worker

Jackson Ha Cha...

as

Ko's Colleague

Jack Lai

as

Ko's Colleague

Singh Hartihan...

as

Naresh Sharma

Wong Shiu-Keung

as

Policeman (unc...

Lui Siu-Ming

as

Mahjong Parlou...

Mark Cheung Yi...

as

Mahjong Parlou...

Soi Cheang

as

Inspector Ho K...

Florence Kwok ...

as

May Cheung (vo...

Peter Chan Bei...

as

Cameo (picture...