← Back to filmFilm · CastFull castIt's a Mystery, Charlie BrownOn screenCast8 credited performersTodd BarbeeCharlie BrownMelanie KohnLucyStephen SheaLinusArtwork unavailableDonna Le TourneauPeppermint PattyJimmy AhrensMarcieArtwork unavailableLynn MortensenSallyArtwork unavailableTom MullerPig PenBill MelendezSnoopy/Woodstock (voice) (uncredited)
