I Corrupt All Cops

Eason Chan Yik-Shun

Det. Sgt. Major Gale

Tony Leung Ka-fai

Chief Sgt. Major. Lak Chui

Anthony Wong Chau-Sang

Unicorn Tang

Alex Fong Lik-Sun

Bong

Bowie Lam Bo-Yee

Inspector Yin

Kate Tsui Tsz-Shan

May

Young Liu

Rose

Natalie Meng Yao

Unicorn's Girlfriend

Nina Paw Hei-Ching

Bong's Mother

Wong Jing

Gold / Mr Chu

Simon Watkiss

Donald

Wong Tin-Lam

Uncle Ball

Yedda Chao Tong

Suki Lai

Pakho Chau

Po

Parkman Wong Pak-Man

Old Man

Frankie Ng Chi-Hung

Fatty

Mars

Samuel Leung Cheuk-Moon

Kenny Wong Tak-Ban

Austin Wai Tin-Chi

Timmy Hung Tin-Ming

Winnie Leung Man-Yee

Johnny Cheung Wa

Gill Mohindepaul Singh

Eddy Law Tin-Chi

Yu Chi-Ming

Hau Woon-Ling

Cheng Ka-Sang

Alan Chui Chung-San