Grace VanderWaal
Susan "Stargirl" Caraway
Graham Verchere
Leo Borlock
Karan Brar
Kevin Singh
Maximiliano Hernández
Mr. Robineau
Darby Stanchfield
Gloria Borlock
Giancarlo Esposito
Archie Brubaker
Collin Blackford
Benny Burrito
Annacheska Brown
Tess Reed
Shelby Simmons
Hillari Kimble
Allison Wentworth
Dori Dilson
Juliocesar Chavez
Alan Ferko
Artemis
Mallory Franklin
Julia Flores
Summer
John Apolinar
Wayne Parnell
Alex James
Zack James
Enzo De Angelis
Leo Age 8
Cayman Guay
Cool Girl
Sara Arrington
Ana Caraway
Lucinda Marker
Principal Sutters
Hannah Kauffmann
Band Leader
Gavin White
Big Kid #1
Sean Dennis
Big Kid #2
David Trujillo
Big Kid #3
Troy Brookins
Ron Kovac
Ryan Begay
Mud Frog Fan
Damian O'Hare
Leo's Dad
Audra Charity
Emcee
Atharva Verma
Kevin Age 8
Jimmy E. Jones
Teacher
Orion Carrington
Young Male Teacher
Tom Sons
EMT
Eric Archuleta
Athletic Trainer
Rebecca Ann Arscott
Keyboard Player: Winter Dance Band
Herve Gaspard
Lead Singer / Guitar: Winter Dance Band
Paul Palmer III
Drummer: Winter Dance Band
Artha Meadors
Bass: Winter Dance Band
Armando Arellano
Mudfrogs Marching Band
Victor Armijo
Mudfrogs Marching Band
Andrew Blair
Mudfrogs Marching Band
Vincent Conte
Mudfrogs Marching Band
Giselle Gruz
Mudfrogs Marching Band
Oscar Gamboa
Mudfrogs Marching Band
Edgar Hernandez
Mudfrogs Marching Band
Gabe Hicks
Mudfrogs Marching Band
Chris Kingswadd
Mudfrogs Marching Band
Shannon Latham
Mudfrogs Marching Band
Julio Quiroz Lopez
Mudfrogs Marching Band
Spenser Lotz
Mudfrogs Marching Band
Gus Pedrotty
Mudfrogs Marching Band
Isiah Rojas
Mudfrogs Marching Band
Alla Shapiro
Mudfrogs Marching Band
Jeanette Silva
Mudfrogs Marching Band
Kayla Strickler
Mudfrogs Marching Band
David Hight
Speech Competition Attendee / Ball Game Attendee (uncredited)
Jesse Mattson
Football Player (uncredited)
J. Nathan Simmons
Fan (uncredited)
Michael E. Stogner
Fan (uncredited)
Ian Willoughby
Football Player (uncredited)
Shylo Molina
Talent Show Magician (uncredited)
Alexander Alayon Jr.
High Schooler (uncredited)