Riven

Simon Yam

as Sgt Lee Wing Sam

Maggie Siu Mei-Kei

as Sgt May Cheung Pui Yee

Lam Suet

as Sarge

Samuel Pang King-Chi

as Crack

Derek Tsang Kwok-Cheung

as Fai

Wong Man-Shing

as Lok

Wu Li

as Cheung Man Wai

Osman Hung

as PC Chung

Wong Chi-On

as Sam's team member

Luk Man-Wai

as Sam's team member

Roderick Lam Chung-Kei

as Sam's team member

Jason Chang

as May's team member

Courtney Wu

as

Szeto Kam-Yuen

Screenplay

Lawrence Ah Mon

Director

Nicholl Tang Nik-Kei

Screenplay

Keith Chan Cheuk-Kei

First Assistant Director

Johnnie To

Producer

Alvin Lam

Executive Producer