The Constable 2013

Cast

Simon Yam as Lam Kwok-kuen, a police officer whose sole requirement on the job is oversee the department fleet. Despite this, he remains active in the front line of police service, putting his life on the line for sake of others, his heroism bettering even the most seasoned professionals.

Lam Suet as Lok Wah-wai, nicknamed Fat Wai, good friend and colleague of Lam for years. Despite his weight, he is the renowned marksman of the police force

Sam Lee as Chow Kong-hong, a small time crook living with his uncle in Shenzhen who mistakenly accused his girlfriend, Tsui-yan, for having an affair with Lam. He is later arrested in Hong Kong due his involvement in an armed bank robbery.

Maggie Shiu as Station Sergeant Hui Chun, an outstanding police officer and good friend of Lam

Niu Mengmeng as Lin Tsui-yan, who is employed by Lam to look after his mentally challenged son, Chung. Yan lovingly cared for Chung, but this led to the misunderstanding of his boyfriend, Chow, that she has been two timing with Lam. Yan later left Chow for her hometown after Chung died.

Wang Ziyi as Lui Kiu-mei, nicknamed Sissy, Lam's subordinate in the Force fleet department. A secret admirer of WPC Fa-fa, the self abased Lui never dared to express his feelings for her. However, inspired and encouraged by Lam, Lui vowed to work hard to improve himself to win Fa's love and pursue his dream to be a Flying Tiger.

Maggie Li as Fa-fa, a WPC under Hui and the object of Lui's affection. She was unimpressed initially by Lui until she witnessed his daring feat during a police gun fight.

Li Jinjiang as Lam Wing-chung, nicknamed Little Chung, Lam's down syndrome son. He is well cared and loved by his father despite Chung's health condition. Since birth, Chung has lived a happy life.