13-year old Bruce Lee plays San, a child up for adoption. Finally accepted by his surrogate parents, he is faced with a dilemma when his real parents show up and want him back.
| Actor | Role |
|---|---|
 Bruce LeeSan at 13 | San at 13 |
 Cheung Wood-YauSan as adult | San as adult |
 Cheung YingChan Ying-kit | Chan Ying-kit |
| Cheung Wood-YauAh-sang/Tin-sang - adult | Ah-sang/Tin-sang - adult |
 Ng Cho-FanWong Lo-sei | Wong Lo-sei |
 Pak YinMadam Lee | Madam Lee |
 Wong Man-LeiNanny | Nanny |
 Siu Yin-FeiAh Lin | Ah Lin |
| MMui YeeLee Kit-ching | Lee Kit-ching |