Noah Schnapp

Character: Charlie Brown (voice)

Bill Melendez

Character: Snoopy / Woodstock (voice) (archive sound)

Marleik 'Mar Mar' Walker

Character: Franklin Armstrong (voice)

Alex Garfin

Character: Linus (voice)

Hadley Belle Miller

Character: Lucy van Pelt (voice)

Rebecca Bloom

Character: Marcie (voice)

Anastasia Bredikhina

Character: Patty (voice)

Venus Schultheis

Character: Peppermint Patty (voice)

A.J. Tecce

Character: Pigpen (voice)

Mariel Sheets

Character: Sally Brown (voice)

Noah Johnston

Character: Schroeder (voice)

William Wunsch

Character: Shermy (voice)

Madisyn Shipman

Character: Violet Grey (voice)

Kristin Chenoweth

Character: Fifi (voice)

Micah Revelli

Character: Little Kid (voice)

Trombone Shorty

Character: Miss Othmar / Mrs. Little Red-Haired Girl (voice)

Francesca Capaldi

Character: The Little Red-Haired Girl / Frieda (voice)

Holly Dorff

Character: Various Voices (voice)

Kelly Michele Mills

Character: Various Voices (voice)

Al Nelson

Character: Various Voices (voice)

Tessa Netting

Character: Various Voices (voice)

Randy Thom

Character: Various Voices (voice)

Randy Trager

Character: Various Voices (voice)

Gwendolyn Yates Whittle

Character: Various Voices (voice)

Gia Bravos

Character: Group Voices (voice)

Ileanna Bravos

Character: Group Voices (voice)

Nikolas Bravos

Character: Group Voices (voice)

Clayton Drier

Character: Group Voices (voice)

Kori Elmore

Character: Group Voices (voice)

Adam Joshua Jastrow

Character: Group Voices (voice)

Frances Bella Kayser

Character: Group Voices (voice)

Theodore F. Kayser

Character: Group Voices (voice)

Ava Kramer

Character: Group Voices (voice)

Sam Lavagnino

Character: Group Voices (voice)

Ava Mae Leslie

Character: Group Voices (voice)

Jaiden A. M. Mathews

Character: Group Voices (voice)

Terence Matthews II

Character: Group Voices (voice)

Dylan Naber

Character: Group Voices (voice)

Marley Pearson

Character: Group Voices (voice)

Aramé Scott

Character: Group Voices (voice)

Eden Vietro

Character: Group Voices (voice)

Nicole Wedel

Character: Group Voices (voice)

Allen Zyler

Character: Group Voices (voice)