Wong Ka-Kui

Ng Ka Kui

Steve Wong Ka-Keung

Chan Chi Keung

Yip Sai-Wing

Lam Sai Wing

Faye Wong

Mary

Hee Ching Paw

Mrs Ng

Joey Meng

Meter Maid

Clifton Ko Chi-Sum

Police cadet trainer

Henry Fong

Mr Ng

Vincent Kok

Vegetable vendor [cameo]

Hau Woon-Ling

Kui's great aunt

Raymond Wong

Man in concert crowd [cameo]

Fong Wai-Lap

Chan Chi-Keung's boss

Gary Chow Sai-Hau

Mary's father

Chow Chi-Fai

Waiter

Garry Chan Chi-Shing

Taxi driver

Paul Wong

Himself

Leila Tong