 | Arianna McDonald als Marcie (voice) |
| Lexi Perri als Peppermint Patty (voice) |
| Etienne Kellici als Charlie Brown (voice) |
| Antonina Battrick als Carlin (voice) |
 | Isabella Leo als Lucy / Cry Baby Boobie / Tapiocca Pudding (voice) |
 | Wyatt White als Linus (voice) |
| Caleb Bellavance als Franklin (voice) |
| Lucien Duncan-Reid als Pigpen (voice) |
| Natasha Nathan als Patty (voice) |
 | Charlie Boyle als Violet (voice) |
 | Maya Misaljevic als Frieda (voice) |
| Terry McGurrin als Snoopy (voice) |
 | Rob Tinkler als Woodstock (voice) |
| Will Bhaneja als Shermy / Floyd (voice) |
 | Jackson Reid als Harold Angel / Joe Richkid / Thibault / Larry (voice) |
| Jacob Mazeral als Jose Peterson (voice) |
 | Emily Mitchell als Ruby (voice) |
| Joshua Obasi als Milo (voice) |
| Owen Ross als Leland (voice) |
| Raymond S. Persi | Director |
| Betsy Walters | Writer |
| Craig Schulz | Executive Producer |
| Cornelius Uliano | Executive Producer |
| Josh Scherba | Executive Producer |
| Logan McPherson | Executive Producer |
| Bryan Schulz | Executive Producer |
| Paige Braddock | Executive Producer |
| Stephanie Betts | Executive Producer |
| Charles M. Schulz | Characters |
| Angela Belyea | Line Producer |
| Alex Galatis | Executive Story Editor |
| Craig Schulz | Story Editor |
| Raymond S. Persi | Story Editor |
| Jeff Morrow | Original Music Composer |
| Peter MacAdams | Head of Story |
| Mark Ackland | Storyboard Artist |
| Pierre-Alexandre Comtois | Storyboard Artist |
| Martin Fuller | Storyboard Artist |
| David Lux | Storyboard Artist |
| Kris Molinari | Storyboard Artist |
| Justin Polley | Storyboard Artist |
| Tyrell Solomon | Storyboard Artist |
| Steven Liu | Lead Editor |
| Michael Weissman | Associate Editor |
| Pascal Campion | Production Designer |
| Robyn Drage | Art Direction |
| Natalie Woo | Character Designer |
| Jenny Chen | Character Designer |
| Jenny Chen | Prop Designer |
| Catherine Horne | Prop Designer |
| Justin Smith | Animation Director |
| Felipe Almeida | Animation Supervisor |
| Chris Derochie | Animation Supervisor |
| Lena Franzz | Animation Supervisor |
| Gian Carla Atienza | Animation |
| Flávia Guttler | Animation |
| Diego Klinkerfus | Animation |
| Ricky Laity | Lighting Director |
| Ben Galewitz | Compositing Supervisor |
| Renée Chio O'Shea | Lighting Supervisor |
| Daniel Kilby | Post Production Supervisor |
| Tai Facanha | Post Production Coordinator |
| Brian Gallant | Sound Engineer |
| Tristan Clarke | Additional Music |
| Greg Stewart | Sound Re-Recording Mixer |
| Angelo Nicoloyannis | Sound Re-Recording Mixer |
| Bonnie Lambie | Foley Artist |
| Rick Senechal | Other |
| Edward Hyde | Post Production Coordinator |
| Art Roche | Creative Consultant |
