Peppermint Patty and Charlie Brown participate in a challenging motocross race. Throughout the event, they encounter crashes, mud traps and the Masked Marvel trying to stop them along the way.
| Actor | Role |
|---|---|
| DDuncan WatsonCharlie Brown / Franklin / Kid (voice) | Charlie Brown / Franklin / Kid (voice) |
 Melanie KohnLucy van Pelt / Loretta (voice) | Lucy van Pelt / Loretta (voice) |
| SStuart BrotmanPeppermint Patty (voice) | Peppermint Patty (voice) |
 Jimmy AhrensMarcie (voice) | Marcie (voice) |
| LLiam MartinLinus van Pelt / Schroeder (voice) | Linus van Pelt / Schroeder (voice) |
 Bill MelendezSnoopy / Woodstock (voice) (uncredited) | Snoopy / Woodstock (voice) (uncredited) |
| GGail DavisSally Brown (voice) | Sally Brown (voice) |