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.
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Quinn Beswick as Charlie Brown (voice)
Ashley Edner as Sally Brown (voice)
Rachel Davey as Lucy van Pelt (voice)
Bill Melendez as Snoopy / Woodstock (voice)
Frank Welker as The Mayor (voice)
Neil Ross as Interviewer (voice)
Pat Musick as First Woman (voice)
Joan Van Ark as Secretary (voice)
Corey Padnos as Linus van Pelt (voice) (uncredited)