As Time Goes By

Director

• 
  Poon Ka Tak

Main Role

• 
  Ben Wong

  Chai Man Kei

  Main Role
• 
  Alice Chan

  Bin Wai Ching / Miss Bin

  Main Role
• 
  Max Cheung

  Chai Man Sek

  Main Role

Support Role

• 
  Gigi Wong

  Choi Yu Yuk / Cheung So [Ga Ga's mother]

  Support Role
• 
  Joseph Lee

  Chai Yik Cheung / Cheung Ko / Ah Cheung [Gaga's father/Kyle's grandfather/Cheung So's husband]

  Support Role
• 
  Stephanie Che

  Peng Mo Na / “Lula” [Kyle's mother / Yeung Chung's aunt / Zack's wife]

  Support Role
• 
  William Chak

  Chai Chin Bo / Chin Bo / Ah Bo /"Bowie" [Kyle's friend/Cheung Ko and Cheung So's grandson]

  Support Role
• 
  Brian Chu

  Chai Su Kai / Kai Jay / "Kyle" [Bowie's friend / Cheung So and Cheung Ko's grandson / Miss Yeung's cousin]

  Support Role
• 
  Jessica Kan

  Chai Ka / Ka Ka / "Gaga" [Zack's sister/Cheung Sir's girlfriend/Miss Yeung's aunt]

  Support Role
• 
  Stitch Yu

  Yeung Chung / Chung Lui / Miss Yeung

  Support Role
• 
  Shally Tsang

  Chai Shan / Ah Shan

  Support Role
• 
  Wong Yee Kam

  Chai Mei / Ah Mei [Lula's aunt]

  Support Role
• 
  Christine Chu

  Miss Chong

  Support Role
• 
  Cecilia So

  Chai Lai Bing [Miss Bin's mother]

  Support Role
• 
  Eric Chung

  Yeung Chi Chung

  Support Role
• 
  Terence Tung Support Role
• 
  Lucas Yiu Support Role
• 
  Milkson Fong Support Role
• 
  Yeung Shui Lun Support Role
• 
  Kimmi Tsui Support Role
• 
  Chiu Lok Yin Support Role
• 
  Athena Ng Support Role
• 
  Chan Min Leung Support Role
• 
  Man Yeung Support Role
• 
  So Lai Ming Support Role
• 
  Osanna Chiu

  Bonus

  Support Role
• 
  Ng Pui Yu

  [Nurse]

  Support Role
• 
  Kitterick Yiu Support Role
• 
  Rachel Ching Support Role

Guest Role

• 
  Choi Kwok Hing

  He Gong Zi (Ep.15)

  Guest Role
• 
  Lily Leung

  Chai Cheung Git / Choi / Dang Po [Cheung Ko's mother/Cheung So's aunt/The great grandmother of Kyle and Bowie]

  Guest Role
• 
  Candice Chiu

  Choi Yu Yuk [Young]

  Guest Role
• 
  Phoebe Chow

  Chai Mei [Young] (Ep. 1, 3-5)

  Guest Role
• 
  Bianca Chan

  Chai Ka [Young]

  Guest Role
• 
  Amisha Ng

  Bin Wai Ching [Young]

  Guest Role
• 
  Alex Yung

  Chai Man Kei [Young]

  Guest Role
• 
  Pierre Ngo

  Chai Yik Cheung [Young]

  Guest Role
• 
  Fanny Ip

  Chai Lai Bing [Young]

  Guest Role
• 
  Simon Tang Guest Role
• 
  Bryan Cheng Guest Role
• 
  Karlie Chung

  Young Cai Wu

  Guest Role
• 
  Aaryn Cheung Guest Role
• 
  Leo Kwan

  (Ep. 3, 8)

  Guest Role
• 
  Kris Lam Guest Role
• 
  Janice Pang Guest Role
• 
  Nicole Wan Guest Role
• 
  Thomas Ng Guest Role
• 
  Felix Ng Guest Role
• 
  Martin Tong

  Sir Sze (Ep. 6, 8)

  Guest Role
• 
  Sophie Yip Guest Role
• 
  Gloria Chan

  [Secretary] (Ep. 8)

  Guest Role

Bit part

• 
  Alex Mak

  [Detectives from the Criminal Investigations branch] (Ep. 6, 8)

  Bit part
• 
  Camy Ting Bit part

Unknown

• 
  Jenny Wong Unknown
• 
  Wu Fei

  (Ep. 6, 8)

  Unknown
• 
  Keith Mok Unknown
• 
  Kinlas Chan Unknown
• 
  Oman Lam Unknown
• 
  Andy Wong Unknown