Cause We Are So Young is a Hong Kong Comedy Drama
| Actor | Role |
|---|---|
 Gigi Lai ChiMiMi | MiMi |
 Vincent Kok Tak-ChiuChuen's Boss | Chuen's Boss |
 Leo Ku Kui-KeiAu Ga Chuen | Au Ga Chuen |
 Law Kar-YingMiMi's Father | MiMi's Father |
 Bonnie Wong Man-WaiMiMi's Mother | MiMi's Mother |
 Angela Tong Ying-YingCathleen | Cathleen |
 Lee Siu-KayAnnoyed Restaurant Diner | Annoyed Restaurant Diner |
 Kathy Chow Hoi-MeiMrs Chan | Mrs Chan |
 Lee Lik-ChiNot listed | Not listed |
 Andy LauMan at Outdoor Cafe | Man at Outdoor Cafe |
 Nicola Cheung Sun-YuetNot listed | Not listed |
 Tats LauNot listed | Not listed |
 Joh Chung-SingNot listed | Not listed |
| RRoderick Lam Chung-KeiNot listed | Not listed |
 Cheng Man-FaiNot listed | Not listed |
 Lee Kin-YanNot listed | Not listed |
 Mark LuiNot listed | Not listed |
| PPauline Yeung Yung-LinNot listed | Not listed |
 Jan Lam Hoi-FungNot listed | Not listed |
 Edmond So Chi-WaiNot listed | Not listed |
 Joe Cheng ChoNot listed | Not listed |