Rudy and Penny use Chalkzone as a way to get back to their school to recover a hamster.
| Name | Type | Role | |
|---|---|---|---|
| Jim Cummings | Guest Star | ||
| Miriam Flynn | Guest Star | ||
| Frank Welker | Guest Star | ||
| Buck Owens | Guest Star | ||
| Robert Cait | Guest Star | ||
| Kevin Michael Richardson | Guest Star |