The Four

Original Creator

• 
  Woon Swee Oan

Main Role

• 
  Raymond Lam

  Shing Ngai Yu / Mo Ching

  Main Role
• 
  Ron Ng

  Lang Ling Hei / Lang Huet

  Main Role
• 
  Kenneth Ma

  Tit Yau Ha / Tit Sau

  Main Role
• 
  Sammul Chan

  Tung Fei / Jui Ming

  Main Role
• 
  Dominic Lam

  Chu Kut Ching Ngoh

  Main Role
• 
  Kate Tsui

  Song Zi Yin

  Main Role
• 
  Selena Lee

  Lam Yeuk Fei

  Main Role

Support Role

• 
  Joel Chan

  Ling Siu Gwat

  Support Role
• 
  Halina Tam

  Lau Piu Suet

  Support Role
• 
  Martin Tong

  "Golden Sword"

  Support Role
• 
  Wu Kei Fung

  "Silver Sword"

  Support Role
• 
  Chiu Man Tung

  "Leopard Head"

  Support Role
• 
  Hui Man Kiu

  Lok Chi Yeung [Divine detective]

  Support Role
• 
  Ling Lai Man

  Lung Ying Waai

  Support Role
• 
  Savio Tsang

  Jiu Cheung

  Support Role
• 
  Kristal Tin

  Kuk Yin Hung

  Support Role
• 
  Davily Leung

  Haau Ji

  Support Role
• 
  Wong Wai Leung

  Wai Ging To

  Support Role
• 
  Lau Kong

  Choi Ging

  Support Role
• 
  Eric Li

  Choi To

  Support Role
• 
  Felix Lok

  Ling Lok Sek

  Support Role
• 
  Cilla Kung

  Ling Siu Dou

  Support Role
• 
  Alan Luk

  Hung Chiu

  Support Role
• 
  Gordon Liu

  Lam Po Tin

  Support Role
• 
  Sunny Dai

  Sa Fuk

  Support Role
• 
  Law Lok Lam

  Tit Fu

  Support Role
• 
  Ng Wai Shan

  Yau Fan

  Support Role
• 
  Hugo Wong

  Chun Ming

  Support Role
• 
  Eddie Li

  Han Bin

  Support Role
• 
  Chun Wong

  Chu Yi Ba

  Support Role
• 
  Chan Wing Chun

  Tong Gwai

  Support Role
• 
  Andy Sui

  Bong Zhu

  Support Role
• 
  Russell Cheung

  [Lam family's disciple]

  Support Role
• 
  Shally Tsang Support Role
• 
  Lee Hoi Sang Support Role
• 
  Forest Chan Support Role
• 
  Wong Wai Tak Support Role
• 
  Vincent Cheung Support Role
• 
  Adam Ip Support Role
• 
  Henry Yu Support Role
• 
  Daniel Kwok Support Role
• 
  Peter Lai Support Role
• 
  Jimmy Au Support Role
• 
  Jason Lam Support Role
• 
  Leo Tsang Support Role
• 
  Chiu Shek Man Support Role
• 
  Ricky Lee Support Role
• 
  Sam Leung Support Role
• 
  Kwok Tak San Support Role
• 
  Elton Loo Support Role
• 
  Brian Wong Support Role
• 
  Coson Leung Support Role
• 
  Sunny Lau Support Role
• 
  Simon Lo Support Role
• 
  Ko Chun Man Support Role
• 
  Chloe Nguyen Support Role
• 
  Georgina Chan Support Role

Guest Role

• 
  Ricky Wong

  Dai Chek Biu (Ep. 4)

  Guest Role
• 
  Lily Li

  Dai Ha So (Ep. 6-8)

  Guest Role
• 
  Candy Chu

  Chui Chui (Ep. 6-8)

  Guest Role
• 
  Wong Man Piu

  Chan Gau (Ep. 10)

  Guest Role
• 
  Amy Ng

  Siu Dip (Ep. 12)

  Guest Role
• 
  Mat Yeung

  [Prince's entourage] (Ep. 16)

  Guest Role
• 
  Peter Pang

  Liu Kong Yip

  Guest Role
• 
  Can Gaa Lou

  [Medical clinic assistant]

  Guest Role
• 
  Choi Haau Laam

  [Kuk Yin Hung's servant]

  Guest Role
• 
  Akai Lee

  [Choi Ging's subordinate]

  Guest Role
• 
  Eddie Ho

  [Choi Ging's subordinate]

  Guest Role
• 
  Jacky Yeung

  [Lok Sek's subordinate]

  Guest Role
• 
  Ho Chun Hin

  [Lok Sek's subordinate]

  Guest Role
• 
  Chan Chau Hoi

  [Lok Sek's subordinate]

  Guest Role
• 
  Casper Chan Guest Role
• 
  Mark Ma Guest Role