| 角色 | 饰演者 | 角色介绍 |
| Dre Parker | 贾登·史密斯 | |
| Mr. Han | 成龙 | |
| Sherry Parker | 塔拉吉·P·汉森 | |
| Master Li | 于荣光 | |
| Meiying's Dad | Zhensu Wu | |
| Meiying's Mom | Zhiheng Wang | |
| Cheng | Zhenwei Wang | |
| Dre's Detroit Friend | Jared Minns | |
| Liang | Shijia Lü | |
| Zhuang | 赵毅 | |
| Song | Bo Zhang | |
| Harry | Luke Carberry | |
| Mark | Cameron Hillman | |
| Oz | Ghye Samuel Brown | |
| Ur Dang | Rocky Shi | |
| Mrs. Po | 王姬 | |
| Music Instructor | Harry Van Gorkum | |
| History Teacher | Tess Liu | |
| Tournament Doctor | Xinhua Guo | |
| Mat 4 Referee | Jijun Zhai | |
| Mat 5 Referee | Shun Li | |
| Mrs. Xie | Yanyan Wu | |
| Announcer | Tao Ji | |
| Man on Plane Speaking Chinese | Chen Jing | |
| Dude from Detroit | Wentai Liu | |
| Ping Pong Man | Geliang Liang | |
| Bao | Xu Ming | |
| Diane | Hannah Joy | |
| Meiying | Wenwen Han | |
| Seamus (uncredited) | Bill Mackie |
