Noah Schnapp

Charlie Brown (voice)

Bill Melendez

Snoopy / Woodstock (voice) (archive sound)

Marleik 'Mar Mar' Walker

Franklin Armstrong (voice)

Alex Garfin

Linus Van Pelt (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)

Micah Revelli

Little Kid (voice)

Trombone Shorty

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

Francesca Capaldi

The Little Red-Haired Girl / Frieda (voice)

Holly Dorff

Various Voices (voice)

Kelly Michele Mills

Various Voices (voice)

Al Nelson

Various Voices (voice)

Tessa Netting

Various Voices (voice)

Randy Thom

Various Voices (voice)

Randy Trager

Various Voices (voice)

Gwendolyn Yates Whittle

Various Voices (voice)

Gia Bravos

Group Voices (voice)

Ileanna Bravos

Group Voices (voice)

Nikolas Bravos

Group Voices (voice)

Clayton Drier

Group Voices (voice)

Kori Elmore

Group Voices (voice)

Adam Joshua Jastrow

Group Voices (voice)

Frances Bella Kayser

Group Voices (voice)

Theodore F. Kayser

Group Voices (voice)

Ava Kramer

Group Voices (voice)

Sam Lavagnino

Group Voices (voice)

Ava Mae Leslie

Group Voices (voice)

Jaiden A. M. Mathews

Group Voices (voice)

Terence Matthews II

Group Voices (voice)

Dylan Naber

Group Voices (voice)

Marley Pearson

Group Voices (voice)

Aramé Scott

Group Voices (voice)

Eden Vietro

Group Voices (voice)

Nicole Wedel

Group Voices (voice)

Allen Zyler

Group Voices (voice)