Stephen Chow

Cheung Lon / Cockroach

Vivian Chow

Mandy

Michael Chan

Fei

Shing Fui-On

Guts

Ricky Yi Fan-Wai

Ricky

Lau Yuk-Gei

Detective Bill

James Ha Chim-Si

Detective James

Chow Cheong-Wa

Connie Mak

Fei's ex-wife

Stephen Chang Gwong-Chin

Ship owner

Kwan Hoi-San

Uncle Kin

Karel Wong

Mandy's cousin

Alan Ng Siu-Hung

Inspector Ng

Danny Lee Sau-Yin

Inspector Lee

Nick Cheung

Policeman

Waise Lee Chi-Hung