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

Gabriella Surodjawan

Kim

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)

Braden Wilcox

High School Student (uncredited)