Line Walker

Director

• 
  Jazz Boon

Makeup Artist

• 
  Carmen Man

Main Role

• 
  Michael Miu

  Cheuk Hoi

  Main Role
• 
  Charmaine Sheh

  Ding Siu Ka

  Main Role
• 
  Raymond Lam

  Sit Ka Keung

  Main Role
• 
  Sharon Chan

  Mok Sin Yan

  Main Role
• 
  Sammy Sum

  Lin Hon Kan

  Main Role
• 
  Elena Kong

  Mok Sin Qing

  Main Role
• 
  Benz Hui

  Chum Foon Hei / "Foon Hei Gor"

  Main Role

Support Role

• 
  Rosanne Lui

  Lau Mei Ang / "Nancy"

  Support Role
• 
  Oscar Leung

  Muk Sat / "Bug"

  Support Role
• 
  Mary Hon

  Fung Wai Fong / "Rose"

  Support Role
• 
  Patrick Tang

  Yip Siu Leong

  Support Role
• 
  Toby Leung

  Bo Yun Hing

  Support Role
• 
  Samantha Ko

  Hong Chi Yan / "Jojo"

  Support Role
• 
  Skye Chan

  Tse On Yee / "Ada"

  Support Role
• 
  Eddie Pang

  Yau Tat Fu

  Support Role
• 
  Lau Kong

  Kwok Hok Wah

  Support Role
• 
  Jimmy Au

  Hong To Hang

  Support Role
• 
  Owen Cheung

  Ah Fo / "Fire"

  Support Role
• 
  English Tang

  Lui Si Tang

  Support Role
• 
  Stephen Ho

  Richard

  Support Role
• 
  Otto Chan

  Zhang Yong

  Support Role
• 
  Cheung Kwok Keung

  Sung Kam

  Support Role
• 
  Kiko Leung

  Connie

  Support Role
• 
  Stefan Wong

  James Pong Yin Ting / Mr. Song

  Support Role
• 
  Chung King Fai

  Chin Shui On

  Support Role
• 
  Ngai Wai Man

  [Underground doctor]

  Support Role
• 
  Lee Hoi Sang

  An Xiang [Uncle]

  Support Role
• 
  Forest Chan

  Gu Zhong [Convict]

  Support Role
• 
  Wong Wai Tak

  Dr. Liu

  Support Role
• 
  Cecilia So

  Cai Xiao Lian

  Support Role
• 
  Dolby Kwan

  [Detective]

  Support Role
• 
  Hoffman Cheng

  Chum Foon Hei [Young]

  Support Role
• 
  Chan Wing Chun

  [Head of Security]

  Support Role
• 
  Eddie Li

  Uncle Lam

  Support Role
• 
  Henry Lo

  [Judge]

  Support Role
• 
  Adam Ip

  Zhu En Zhi

  Support Role
• 
  Leo Tsang

  Wu Fang

  Support Role
• 
  Chiu Shek Man

  En Pi [Uncle]

  Support Role
• 
  Chan Min Leung

  Chen Bing

  Support Role
• 
  Man Yeung

  [An LIn's assistant]

  Support Role
• 
  Suen Kwai Hing

  Brother Fu

  Support Role
• 
  Esther Wan

  Pu Yang Shu Yun

  Support Role
• 
  David Do

  Xu Jia Wei

  Support Role
• 
  Miguel Choi

  Gao Zhan Neng

  Support Role
• 
  Yeung Shui Lun

  Xu Jia Bao

  Support Role
• 
  Kau Cheuk Nang

  Cheng Yi Xi

  Support Role
• 
  Akai Lee

  Li Ji Cheng

  Support Role
• 
  Joe Junior

  [Judge]

  Support Role
• 
  Ho Chun Hin

  Mr. K

  Support Role
• 
  Kings Wong

  [Convict]

  Support Role
• 
  Eddie Law

  Lowena [Drug dealer]

  Support Role
• 
  Aurora Li Support Role
• 
  Helen Ng Support Role
• 
  Terence Tung Support Role
• 
  Pauline Chow Support Role
• 
  Leo Lee Support Role
• 
  Hero Yuen Support Role
• 
  Au Hin Wai

  [Chief executive]

  Support Role
• 
  Milkson Fong Support Role
• 
  Kimmi Tsui Support Role
• 
  Burmie Wong Support Role
• 
  Louis Szeto Support Role
• 
  James Wong

  Eric

  Support Role
• 
  Andy Lau

  Ng Wai Gwong

  Support Role
• 
  Kitterick Yiu Support Role
• 
  Vincent Lam Support Role
• 
  Siu Lai Man Support Role
• 
  Mark Ma Support Role
• 
  Jason Sze

  Gu Huo Zi

  Support Role
• 
  Doris Chow Support Role
• 
  Nicole Wan Support Role
• 
  Yao Bing

  Ken

  Support Role
• 
  GoGo Cheung Support Role
• 
  Lucas Yiu Support Role
• 
  Chloe Nguyen Support Role

Guest Role

• 
  Kong Fu Keung

  [Hitman]

  Guest Role
• 
  Wong Wai Tong

  [Hitman]

  Guest Role
• 
  Janice Shum

  [Mother]

  Guest Role
• 
  Ivana Wong

  [Escort girl]

  Guest Role
• 
  Parkman Wong

  [NB officer]

  Guest Role
• 
  Andrew Dasz

  [International criminal]

  Guest Role
• 
  Kinlas Chan

  (Ep. 13)

  Guest Role
• 
  Kevin Tong

  Le Zi

  Guest Role
• 
  Alex Yung

  [Wu Fang's son]

  Guest Role
• 
  Terrence Huang

  [Gui Wang Chao Zhi 's subordinate]

  Guest Role
• 
  Nicholas Yuen

  [Zhao Liang's friend & Jia Qiang's subordinate]

  Guest Role
• 
  Tse Ho Yat

  [Delinquent]

  Guest Role
• 
  Dickson Wong Guest Role
• 
  Alan Wan Guest Role
• 
  Phoebe Chow

  [Girl]

  Guest Role
• 
  Bobo Hoi Guest Role
• 
  Osanna Chiu

  [Furniture store staff]

  Guest Role
• 
  Li Wai Kin Guest Role
• 
  Lo Jun Fung

  [Assault squad member] | [Flying Tiger team member]

  Guest Role
• 
  Xing Yu Guest Role
• 
  Mina Kwok Guest Role
• 
  Judy Tsang Guest Role
• 
  Helen Seng Guest Role

Bit part

• 
  Jonathan Lee

  [Reporter]

  Bit part

Unknown

• 
  Bert Mok Unknown
• 
  Andy Wong Unknown
• 
  Jenny Wong Unknown
• 
  Ken Law Unknown
• 
  Ally Tse Unknown
• 
  Marco Lee

  [HIT Team]

  Unknown