Chris O'Dowd

Dusty

Gabrielle Dennis

Cass

Ally Maki

Hana

Josh Segarra

Giorgio

Damon Gupton

Father Reuben

Sammy Fourlas

Jacob

Djouliet Amara

Trina

Patrick Kerr

Mr. Johnson

Cocoa Brown

Principal Pat

Elizabeth Hunter

Savannah

Noor Naghmi

Mr. Malik

Jontavious Johnson

Axel

Seoum Tylor Aun

Xander

George Sample III

Urie

Gillian Rabin

Lydia

Kalyn Hardman

Rita

Haroon Khan

Raymond

Suehyla El-Attar Young

Liz Munro

Rory Keane

Glen Stikeman

Mary Holland

Nat

Deirdre O'Connell

Eloise Hubbard

Jim Meskimen

Cary Hubbard

Lynne Ashe

Sheila

Aaron Roman Weiner

Beau Kovac

Carrie Barrett

Dr. Woods

Andrew Dicostanzo

Tucker

Nicholas Stargel

Luke

Tim Perez-Ross

Coach Eagleson

Chiara Roberts

Isla

Susan Savoie

Martha

Schelle Purcell

Rose

Ricky Muse

Biker Barry

Kim Alvarez-Cazzetto

Vicky

Emily Topper

Hawaii

Iona Leighton

Ellen

Keith Brooks

Carl

Christian Adam

Trevor

Michael-Christian Moore

Nolan

Patrick Roper

Fair Worker

Joe Zieja

Whistler

Justine Lupe

Alice Wickstead

Elitia Daniels

Ms. Stebel

Crystal R. Fox

Ismenia

Matt Dellapina

Ian

Riley Fincher-Foster

Teen Nat

Morgan Ware

Teen Cass

Jason Vendryes

Vincent

Melissa Ponzio

Freya

Darryl W. Handy

Mr. Kappler

Shin Matsuba

Hana's Dad (voice)

Melina Isis

Young Hana (voice)