Charlie Brown, Marcie and Snoopy compete in the Junior Olympics' decathlon event.
| Actor | Role |
|---|---|
| AArrin SkelleyCharlie Brown (voice) | Charlie Brown (voice) |
| PPatricia PattsPeppermint Patty (voice) | Peppermint Patty (voice) |
 Casey CarlsonMarcie / Crowd (voice) | Marcie / Crowd (voice) |
| MMichelle MullerLucy van Pelt / Girl (voice) | Lucy van Pelt / Girl (voice) |
| DDaniel AndersonLinus van Pelt / Crowd (voice) | Linus van Pelt / Crowd (voice) |
 Bill MelendezSnoopy (voice) | Snoopy (voice) |
 Mel BlancCharlie Grunting | Charlie Grunting |
 Scott BeachAnnouncer (voice) | Announcer (voice) |
| TTim HallFred Fabulous (voice) | Fred Fabulous (voice) |