"A former police officer gets dragged into a game of cat and mouse initiated by an intelligent killer to punish criminals outside the law."
Nick Cheung Ka-Fai
as Kwok Man Bun / Zero / Kwok Man Shing
Zhang Yishang
as May Chou
Patrick Tam
as Wong Sir
Niki Chow
as Lee Wai Lam
Liang Yongqi
as Kevin
Sammy Hung Tin-Chiu
as Ma Tong Tat
Michael Tong Man-Lung
as James
Jiang Shan
as Lau Chi Wai
Bao Wenjing
as Chor Hei
Du Juan
as Director of the Orphanage
Wang Zun
as Peter
Lam King-Kong
as Lawyer
Li Zhaocai
as Collin
Wang Xin
as Wang Zhe
Lu Yao
as Paw Yu Ming
Andy Lee Diy-Yue
as May's Father
Qiao Hua
as Siu Wan
Wang Siqin
as May Chou's Mother
Ying Xue
as Nurse Chan
Wang Qianru
as Undead Nurse
Lu Jun
as Kwok's Father
Wang Yuan
as Kwok's Mother
Liang Jiawei
as Police Team A
Tetiana
Dima
Zhou Ming
Wang Ziqiu
Wu Shuwei
Wang Junxi
as Young Kevin
Adel
as Bodyguard A
Sam Wong Ming-Sing
Writer
Director
Andy Kwong Ting-Wo
Director of Photography
Paco Yick Tin-Hung
Action Director
Roc Chen
Original Music Composer
Wang Yan
Screenplay
Ma Yan