Lupita Nyong'o character Narrator (voice)
Tyler James Nathan character Charlie Brown (voice)
Terry McGurrin character Snoopy (voice)
Isabella Leo character Lucy (voice)
Holly Gorski character Marcie (voice)
Hattie Kragten character Sally (voice)
Isis Moore character Peppermint Patty (voice)
Wyatt White character Linus (voice)
Christian Dal Dosso character Franklin (voice)
Jacob Soley character Pigpen (voice)
Matthew Mucci character Schroeder (voice)
Natasha Nathan character Patty (voice)
Charlie Boyle character Violet (voice)
Kevin Smith character Self - Filmmaker
Ira Glass character Self - This American Llife
Paul Feig character Self - Filmmaker
Charles M. Schulz character Self - Creator of Peanuts (archive footage)
Keith L. Williams character Self - Actor
Drew Barrymore character Self - Actor, Producer
Miya Cech character Self - Actor
Paige Braddock character Self - Cartoonist / Creative Director of Creative Associates
Jean Schulz character Self - Charles Schulz's Widow
Jennifer Finney Boylan character Self - Writer
Billie Jean King character Self - Tennis Champion / Activist
Al Roker character Self - Journalist
Robb Armstrong character Self - Cartoonist, Jumpstart
Chip Kidd character Self - Writer / Graphic Designer
Karen Johnson character Self - Former Director, Charles M. Schulz Museum
Noah Schnapp character Self
Lynn Johnston character Self
