Hong Kong, Hong Kong is the story of a young woman, Man Si Sun, who has arrived illegally in Hong Kong from mainland China, and Kong Yuen Sang, a young man who is a gambler and wannabe boxing champion.
| Actor | Role |
|---|---|
 Cherie Chung Cho-HungMan Si Sun | Man Si Sun |
 Alex Man Chi-LeungKong Yuen Sang | Kong Yuen Sang |
 Lo LiehLee Cheung | Lee Cheung |
 Kwan Hoi-SanUncle Kwai | Uncle Kwai |
| NNgau Choi-LingChoi Ha | Choi Ha |
 Charlie Cho Cha-LeeNino Chan Chi Cheung | Nino Chan Chi Cheung |
 Wong Chi-WaiAh Mut Sha | Ah Mut Sha |
 Gam LauSister Wan | Sister Wan |
| LLee Kit-YingAuntie Kam | Auntie Kam |
 Lam Shung-ChingNino's Fighter | Nino's Fighter |
 Thomas Sin Ho-YingChampionship Fighter | Championship Fighter |
 Wan Seung-LamSister Wan's Fighter | Sister Wan's Fighter |
| GGwok Wa-KeungFighter | Fighter |
 Mama HungSun's 4th Aunt | Sun's 4th Aunt |
 Liu Chun-HungNot listed | Not listed |