As the animated version of Stephen Chow's 2008 hit comedy CJ7, CJ7: The Cartoon loosely adopts the original plot of how a father and a son accidentally pick up an alien named CJ7. The film has a newly developed story line during which CJ7 protects the environment and saves the earth.
| Actor | Role |
|---|---|
 Xu JiaoNot listed | Not listed |
| SShi RenmaoNot listed | Not listed |
 Dong JieNot listed | Not listed |
 Huang LeiNot listed | Not listed |
 Wu GangNot listed | Not listed |
 Steven Fung Min-HangNot listed | Not listed |
 Stephen ChowNot listed | Not listed |