Raven-Symoné Noa Ram Pothineni Steve Joe Lo Truglio Mollie Lorraine Toussaint Penny Darin De Paul Paul Kevin Durand Ann John Early Chad Akiko Yajima Melissa Miki Narahashi Man Satomi Korogi Instructor Toshiyuki Morikawa Waitress Mari Mashiba Cashier Teiyu Ichiryusai Grocery Man Chie Sato Mannequin Woman Daisuke Sakaguchi Shirtless Guy Makiko Ohmoto Hunter Yumiko Kobayashi Business Man Noah Schnapp Charlie Brown (voice) Bill Melendez Snoopy / Woodstock (voice) (archive sound) Marleik 'Mar Mar' Walker Franklin Armstrong (voice) Alex Garfin Linus (voice) Hadley Belle Miller Lucy van Pelt (voice) Rebecca Bloom Marcie (voice) Anastasia Bredikhina Patty (voice) Venus Schultheis Peppermint Patty (voice) A.J. Tecce Pigpen (voice) Mariel Sheets Sally Brown (voice) Noah Johnston Schroeder (voice) William Wunsch Shermy (voice) Madisyn Shipman Violet Grey (voice) Kristin Chenoweth Fifi (voice) Trombone Shorty Miss Othmar / Mrs. Little Red-Haired Girl (voice)