Nightfall

Nick Cheung Ka-Fai

Wong Yuen-yeung

Simon Yam

Inspector George Lam Ching-chung

Kay Tse On-Kei

Ying Au-yeung

Janice Man Wing-San

Zoe Tsui

Michael Wong

Han Tsui

Candice Yu On-On

Mrs. Tsui

Shawn Dou

young Wong Yuen-yeung

Gordon Liu

Retired CID officer

Wong Ka-Lok

Young George Lam

Jun Kung

Former acquaintance of Eugene

Tian Zhuangzhuang

Former prison guard

Cheung Kwok-Keung

CID

Felix Lok Ying-Kwan

Chief Yu

Ken Hung

Zoe's classmate

Cherry Ngan Cheuk-Ling

George's daughter

Cyrus Chow

Eugene's younger brother

Yumiko Cheng Hei-Yi

George's late wife

Hinson Chou Tsz Yeung

Detective Keung

Phat Chan

Detective Phat

Six Luk Ho-Ming

Coroner

Clifton Kwan

Detective

Mike Leeder

British Senior CID officer

Ken Lo Wai-Kwong

Mason Chiu

Correctional Services Officer

Paul Chun Pui