Snoopy receives a letter from a mysterious hospitalized girl named Lila. Alongside his bird friend Woodstock, Snoopy sets off on a cross-country journey to visit her, constantly facing strict "No Dogs Allowed" obstacles along the way. When it is revealed that Lila is actually Snoopy's original owner, the loyal hound faces a heartbreaking dilemma: stay with Charlie Brown or return to Lila.
| Actor | Role |
|---|---|
| CChad WebberCharlie Brown (voice) | Charlie Brown (voice) |
 Bill MelendezSnoopy / Woodstock (voice) | Snoopy / Woodstock (voice) |
 Robin KohnLucy Van Pelt (voice) | Lucy Van Pelt (voice) |
 Stephen SheaLinus Van Pelt (voice) | Linus Van Pelt (voice) |
| DDavid CareySchroeder (voice) | Schroeder (voice) |
 Hilary Momberger-PowersSally Brown (voice) | Sally Brown (voice) |
| JJohanna BaerLila (voice) | Lila (voice) |
| LLinda ErcoliClara (voice) | Clara (voice) |
| LLynda MendelsonFrieda (voice) | Frieda (voice) |
 Christopher DeFariaPeppermint Patty (voice) | Peppermint Patty (voice) |
 Thurl Ravenscroft"No Dogs Allowed" (voice) (uncredited) | "No Dogs Allowed" (voice) (uncredited) |
| SShelby FlintVocalist (voice) | Vocalist (voice) |
| GGuy PohlmanVocalist (voice) | Vocalist (voice) |
| RRay PohlmanVocalist (voice) | Vocalist (voice) |
| DDon RalkeVocalist (voice) | Vocalist (voice) |