Directed by David Lai, the provocative 80s Hong Kong classic Lonely Fifteen follows a group of delinquent teenage girls and their downward spiral. Spurning home and school for various reasons, four troubled and alienated schoolgirls descend into crime, sex, drugs, prostitution and tragedy. Lonely Fifteen received seven nominations at the 2nd Hong Kong Film Awards and won Best Actress for teenaged lead Becky Lam in her first and only film appearance.
| Actor | Role |
|---|---|
| BBecky Lam Bik-KeiBecky | Becky |
| PPeter MakPeter | Peter |
 Irene WanIrene | Irene |
| LLeung Mei-KingFanny | Fanny |
| YYip SuenNot listed | Not listed |
| SSiu Yuk-LungNot listed | Not listed |
| SSo Pooi-FongAnita | Anita |
| JJue Sing-ChoiMother | Mother |
 Danny Poon Wang-BanTommy | Tommy |
| KKobe Wong Kam-BoNot listed | Not listed |
| YYip Goon-ChipNot listed | Not listed |
| SSam SoronoMother's lover | Mother's lover |
 Manfred Wong Man-ChunNot listed | Not listed |
 Luk Ying-HongNot listed | Not listed |
 Cheng Chu-FungNot listed | Not listed |
 Ha Kwok-WingNot listed | Not listed |
 Chin Ka-LokNot listed | Not listed |