張家輝

Wong Yuen-yeung

任達華

Inspector George Lam Ching-chung

謝安琪

Ying Au-yeung

文詠珊

Zoe Tsui

王敏德

Han Tsui

余安安

Mrs. Tsui

窦骁

young Wong Yuen-yeung

劉家輝

Retired CID officer

黃嘉樂

Young George Lam

恭碩良

Former acquaintance of Eugene

田壮壮

Former prison guard

張國強

CID

駱應鈞

Chief Yu

洪卓立

Zoe's classmate

顏卓靈

George's daughter

Cyrus Chow

Eugene's younger brother

鄭希怡

George's late wife

周子揚

Detective Keung

陳肥

Detective Phat

Six Luk Ho-Ming

Coroner