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