Geoffrey Ornstein / Pig-Pen (voice)

Barack Obama / Self
Michelle Obama / Self
Lee Mendelson / Self
Tracy Stratford / Self
Bill Melendez / Self (archive footage)
Vince Guaraldi / Self (archive footage)
David Willat / Self
Priyanka Chopra Jonas / Self
Madison Bumgarner / Self
Buster Posey / Self
Carli Lloyd / Self
Fergie / Self /  Sally (voice) (archive footage)
Andrew Lippa / Self
Hakeem Abdul-Samad / Franklin (voice) (archive footage)
Kristie Baker / Singer (voice) (archive footage)
Tiffany Billings / Lucy (voice) (archive footage)
Kevin Brando / Charlie Brown /  Schroeder (voice) (archive footage)
Erin Chase / Charlie Brown (voice) (archive footage)
Sean Collins / Singer (voice) (archive footage)
Dana Ferguson / Little Girl (voice) (archive footage)
Ami Foster / Singer (voice) (archive footage)
Elizabeth Lyn Fraser / Sally (voice) (archive footage)
Erica Gayle / Lucy (voice) (archive footage)
Desirée Goyette / Singer (voice) (archive footage)
Gini Holtzman / Peppermint Patty (voice) (archive footage)
Keri Houlihan / Marci (voice) (archive footage)
Brett Johnson / Charlie Brown (voice) (archive footage)
Jason Mendelson / Rerun (voice) (archive footage)
Jeremy Miller / Linus (voice) (archive footage)
Hilary Momberger-Powers / Sally Brown (Original Cast)
Jeremy Schoenberg / Linus (voice) (archive footage)
Arrin Skelley / Charlie Brown (voice) (archive footage)
Angela Lee Sloan / Lucy (voice) (archive footage)
Jessica Lee Smith / Lucy (voice) (archive footage)
Hannah Victoria Stock / Promo /  Lucy (voice)
Heather Stoneman / Lucy (voice) (archive footage)
Stacy Heather Tolkin / Sally (voice) (archive footage)
David Wagner / Singer (voice) (archive footage)