Based on the legend of the Pied Piper, it stars Snoopy as the title character, who tries to rid the Peanuts' gang's hometown of mice by playing his concertina, in return for a year's supply of dog food.
| Actor | Role |
|---|---|
 Quinn BeswickCharlie Brown (voice) | Charlie Brown (voice) |
 Ashley EdnerSally Brown (voice) | Sally Brown (voice) |
| RRachel DaveyLucy (voice) | Lucy (voice) |
 Frank WelkerThe Mayor (voice) | The Mayor (voice) |
 Neil RossInterviewer (voice) | Interviewer (voice) |
 Pat MusickFirst Woman (voice) | First Woman (voice) |
 Joan Van ArkSecretary (voice) | Secretary (voice) |
 Bill MelendezSnoopy / Woodstock (voice) | Snoopy / Woodstock (voice) |