Al Cappuccino

Main Role

• 
  Vincent Wong

  Keung Sai Lung

  Main Role
• 
  Owen Cheung

  Ko Bun / Ko Yuen / Bun Gor

  Main Role
• 
  Crystal Fung

  Koo Yan Tau / "Rachael" / Madam Koo

  Main Role
• 
  Kathy Yuen

  So Tsz Shan / Mui Tau / "Cherry"

  Main Role

Support Role

• 
  Samantha Ko

  Chong Ming Lai / Angel Zhe / "Angel"

  Support Role
• 
  David Chiang

  So Wai San / Fa Da / San Ye [Tsz Shan and Zi Jian's father and Wing Cheung's friend]

  Support Role
• 
  Angel Chiang

  Yiu Ching Shui / Shui Zhe / "Shui Shui" [Gangster female leader and Ming Lai and Yan Tau and Tsz Shan's rival]

  Support Role
• 
  Winki Lai

  Keung Chin Ha

  Support Role
• 
  Kelly Fu

  Keung Chin Yu

  Support Role
• 
  Brian Chu

  Luk Chau / Luk Surn Zhui Keung / A Chau [Quadruple gold medalist and Ko Ban's friend]

  Support Role
• 
  Tsui Wing

  Chung Chi Sam / Sam Chung / Sam Chung Gor

  Support Role
• 
  Bill Chan

  Koo Wing Cheung / "Victor" [Rachael's father]

  Support Role
• 
  Jack Hui

  Si Tou Sun / Si Tou Sir / Si Tou /"Winson"

  Support Role
• 
  Li Shing Cheong

  Lui Ka Cheung / Cheung Ko

  Support Role
• 
  Chun Wong

  Fu Tak Shun [Ding Bong's friend]

  Support Role
• 
  Otto Chan

  Su Zi Jian/ Tid Tau/Iron Head

  Support Role
• 
  Cheung Kwok Keung

  Au Kin Tak / "KT"

  Support Role
• 
  Serene Lim

  Chiang Chin Wa

  Support Role
• 
  Doris Chow

  Chiu Mei Bo /" Meibo" [Rachael's subordinate]

  Support Role
• 
  Lawrence Lau

  Sai Bo

  Support Role
• 
  Amisha Ng

  Kitty [Ming Lai's helper]

  Support Role
• 
  Alex Yung

  Sad Yiu Kun / A Kun

  Support Role
• 
  Henry Yu

  Chong Ding Bong

  Support Role
• 
  Choi Kwok Hing

  Kwok Ho Leung

  Support Role
• 
  Eric Chung

  Principal (Ep. 2)

  Support Role
• 
  Yu Chi Ming

  Chow Si Fu (Ep. 9)

  Support Role
• 
  Penny Chan

  Chong Yik Lung

  Support Role
• 
  Judy Tsang Support Role
• 
  Akai Lee Support Role
• 
  Louis Szeto Support Role
• 
  Danny Lo Support Role
• 
  Burmie Wong Support Role
• 
  Yeung Shui Lun Support Role
• 
  Miguel Choi Support Role
• 
  Chiu Lok Yin Support Role
• 
  Sandy Leung

  (Ep. 4, 8-9, 12, 17, 20, 25)

  Support Role
• 
  Hero Yuen Support Role
• 
  Siu Lai Man Support Role
• 
  Eddie Pang

  Jian Xiong

  Support Role
• 
  Chan Min Leung Support Role
• 
  Calvin Chan Support Role
• 
  Man Yeung Support Role
• 
  Ng Pui Yu

  [Secretary]

  Support Role
• 
  Kelvin Leung Support Role
• 
  Au Hin Wai

  "Leopard"

  Support Role
• 
  Kitterick Yiu Support Role
• 
  So Lai Ming Support Role
• 
  Po Ming Nam Support Role
• 
  Willie Lau Support Role
• 
  Martin Tong Support Role
• 
  Billy Cheung Support Role
• 
  Ng Shui Ting Support Role
• 
  Kris Lam Support Role

Guest Role

• 
  Erica Chan

  [Interviewee] (Ep.1)

  Guest Role
• 
  Chan Wing Chun

  (Ep. 1, 7)

  Guest Role
• 
  Janice Pang Guest Role
• 
  Helen Seng Guest Role
• 
  Phoebe Chow

  [Secretary] (Ep. 15)

  Guest Role
• 
  Thomas Ng Guest Role
• 
  Deborah Poon

  Mrs. Chan

  Guest Role
• 
  Nicole Leung Guest Role
• 
  Jacky Lee Guest Role
• 
  Felix Ng Guest Role
• 
  Osanna Chiu

  [Cybercrime police]

  Guest Role
• 
  Lucas Yiu Guest Role
• 
  Elizabeth Nicole Wu

  [Reporter] (Ep. 10, 13, 18, 28)

  Guest Role
• 
  Janice Ting

  [Investment company staff]

  Guest Role
• 
  Tony Chui Guest Role
• 
  Simon Tang Guest Role
• 
  Terence Siu

  (Ep. 10, 13, 23)

  Guest Role
• 
  Leo Kwan

  (Ep. 9, 14-15, 26)

  Guest Role

Bit part

• 
  Jim Tang Bit part
• 
  Oman Lam Bit part

Unknown

• 
  Keith Mok Unknown
• 
  Kinlas Chan Unknown
• 
  Andy Wong Unknown
• 
  Cherry Cheung Unknown
• 
  Bert Mok Unknown
• 
  Angel Lui

  (Ep. 14)

  Unknown
• 
  Fanny Lee Unknown
• 
  Jerry Leung Unknown
• 
  Kevin Tong Unknown