The Criminal Investigator

Director

• 
  Mai Guan Zhi

Main Role

• 
  Sunny Chan

  Lam Wing-tai

  Main Role
• 
  Kenix Kwok

  Cannice Ng

  Main Role
• 
  Felix Wong

  Wong Chi Chung

  Main Role

Support Role

• 
  Joe Ma

  Szeto Man-on

  Support Role
• 
  Bondy Chiu

  Wong Ming Wai / "Bonnie"

  Support Role
• 
  Marco Li

  A'Pao

  Support Role
• 
  Joey Leung

  Funky

  Support Role
• 
  Wong Wai Leung Support Role
• 
  Lam King Kong Support Role
• 
  Ling Hon Support Role
• 
  Lee Hoi Sang Support Role
• 
  Yoe Biu Support Role
• 
  Mak Ka Lun Support Role
• 
  Leo Tsang Support Role
• 
  Lau Siu Ming Support Role
• 
  Li Shing Cheong Support Role
• 
  Wong Wai Support Role
• 
  Sunny Dai Support Role
• 
  Damon Law Support Role
• 
  Chan Wing Chun Support Role
• 
  Wong Man Piu Support Role
• 
  Daniel Kwok Support Role
• 
  Kitty Lau

  [Lo Kam Sing's wife]

  Support Role
• 
  Vincent Cheung Support Role
• 
  Kwok Tak San Support Role
• 
  Kong Wing Fai Support Role
• 
  Elton Loo Support Role
• 
  Kings Wong Support Role
• 
  Cui Jian

  Dong [Shantou bannerman]

  Support Role
• 
  Tam Yat Ching Support Role
• 
  Cheng Ka Sang Support Role
• 
  Yeung Shui Lun Support Role
• 
  Suen Kwai Hing Support Role
• 
  Lee Gwai Ying Support Role
• 
  Ben Wong Support Role
• 
  Tang Yu Chiu Support Role
• 
  Martin Tong Support Role
• 
  So Hang Suen Support Role
• 
  Sam Leung Support Role
• 
  Sit Shun Kei Support Role

Guest Role

• 
  Gregory Charles Rivers

  Gary

  Guest Role