Wong Yuen-yeung

Inspector George Lam Ching-chung

Ying Au-yeung

Zoe Tsui

Han Tsui

Mrs. Tsui

young Wong Yuen-yeung

Retired CID officer

Young George Lam

Former acquaintance of Eugene

Former prison guard

CID

Chief Yu

Zoe's classmate

George's daughter

Eugene's younger brother

George's late wife

Detective Keung

Detective Phat

Coroner

Detective

British Senior CID officer

Correctional Services Officer