Louis Koo as William Luk

Kevin Cheng Ka-Wing as Ching Tak-Wing

Raymond Lam Fung as Tso Yuen-Yuen

Gordon Lam Ka-Tung as Wong Man-Ban

Chrissie Chau as Natalie Liu

Louis Cheung as Wong Lam-Luk

Julian Cheung as Lau Po-Keung

Patrick Tam as Sum Kwok-Keung

Dada Chan as Donut

BabyJohn Choi Hon-Yik as Cel

Liu Kai-Chi as Yiu Kwan-Ho

Wilson Ai Wai as Chin Kwok-Fung

Lo Hoi-Pang as Liu Mok-Chi

Xia Yan as Tammy

Stefan Wong as Tony

Deon Cheung Chung-Chi as Wong Hoi-Leung

Justin Cheung Kin-Sing as Nadal

Adam Pak Tin-Nam as Wong Ka-On

Ding Haifeng as Hong Liang

Monna Liu as Ding Rou

Kevin Chu as Chek Lap-Kwok

Kumer So as Sai

Shek Sau as Commissioner of correctional services

Mannor Chan as Cao Bai

Eddie Kwan Lai-Kit as ICAC director of investigation

Singh Hartihan Bitto as Yiu Kwan-Ho's men

Lo Meng as

MJ Chan as ICAC

Ken Law Ho-Ming as

Lam Kwok-Kit as

Mac Ng as Shark Skin

Lin Xiang as ICAC Officer