The Borderline (Chinese: 警界線) is a police procedural television series produced by Hong Kong Television Network. Each episode costs HK$1 million to produce. The first episode premiered on November 19, 2014.
Cast
Liu Kai-chi as To Yat-fei
Dominic Lam as Cheung Gwan
Leila Tong as Ting Siu-hoi
Lawrence Chou as Choi Ying-yeung
Joman Chiang as Fong Jou-man
Annie Liew as Yip Mei-gyun
Philip Keung as Tse Dai-hak
Crystal Leung as Hui Lok-sa
Calvin Lui as Chan Jeun-tai
Deon Cheung as Ho Yi
Lam Lei as Wong Chi-gin, guest star
Yu Mo-lin as Yu Chat-hei
Felix Lok as Cheuk Bak-san
Wong Ching as Cheng Chiu
Kathy Yuen as Rachel, guest star episode 11, 14, 16
Luvin Ho as Pepper
Wu Kwing-lung as Mok Siu-lung
Oscar Li as Shek Bak-chung
Dexter Young as Fung Wai-hung
Karen Lee as Sum Yeuk-tung