Three young boys learn the art of kung fu from their grandfather, a martial arts expert, and are able to hold their own on a trip to the city.
| Actor | Role |
|---|---|
 Chen Hui-LouGrandfather | Grandfather |
 Chen Chung-Jung''Fatty'' | ''Fatty'' |
 Tso Shiao-HuXiao Yu | Xiao Yu |
 Yen Cheng-kuoAh Kuo | Ah Kuo |
 Tan Ai-chenGrandmother | Grandmother |
| WWong Tak-SangThug | Thug |
 Yang HsiungNot listed | Not listed |
 Eugene ThomasBlack Fighter | Black Fighter |
 Ma Chin-KuThug | Thug |
 Tsai Chong-ChiuThug | Thug |
 Su ChuNot listed | Not listed |
 Cho Sheng-LiNot listed | Not listed |
| CChu Feng-KangNot listed | Not listed |
 Xie Jian-WenThug | Thug |