A troubled boy who seeks escape becomes a man through a miraculous growth formula but encounters a new troubles when the formula won't quit.
| Actor | Role |
|---|---|
 Andy LauKwong | Kwong |
 Karen Mok Man-WaiTsui Man | Tsui Man |
 Gordon Lam Ka-TungVice Principal | Vice Principal |
 Felix Wong Yat-WahChan Man | Chan Man |
 Cherrie Ying Choi-YiMiss Lee | Miss Lee |
 Feng XiaogangVagabond in park | Vagabond in park |
 Howard Sit Lap-YinKwong Kid | Kwong Kid |
 Li BingbingKwong's Mum | Kwong's Mum |
 Nicola Cheung Sun-YuetMiss Wong | Miss Wong |
 Kristal Tin Yui-NeiPolicewoman | Policewoman |
 Chapman To Man-ChatPoliceman | Policeman |
| CChim Pui-HoBear | Bear |
 Jacky Wong Shu-HeiBilly | Billy |
| SSimon So Kwok-HoJack | Jack |
 Joe Cheung Tung-ChoNot listed | Not listed |