Wonder

Auggie

Jacob Tremblay

Isabel

Julia Roberts

Nate

Owen Wilson

Via

Izabela Vidovic

Jack Will

Noah Jupe

Summer

Millie Davis

Julian

Bryce Gheisar

Mr. Tushman

Mandy Patinkin

Miranda

Danielle Rose Russell

Mr. Browne

Daveed Diggs

Teenage Doctor

Mark Dozlaw

Nurse

Rukiya Bernard

Neonatologist

Jennifer March

Charlotte

Elle McKinnon

Amos

Ty Consiglio

Miles

Kyle Breitkopf

Henry

James A Hughes

Darth Sidious

J. Douglas Stewart

Ms. Petosa

Ali Liebert

Dodgeball Player

Joseph Gordon

Cute Guy

Cameron Roberts

Ella

Erika McKitrick

Justin

Nadji Jeter

Mr. Davenport

Ben Immanuel

School Photographer

Jason McKinnon

Reid

Izzy Lieberman

Rebecca

Hannah Hoberman

Chewbacca

Michael Alan Healy

Grans

Sônia Braga

Jack Will's Mom

Nicole Oliver

Ximena Chin

Emily Delahunty

Savanna

Lucia Thain

Maya

Sasha Neuhaus

Miranda's Mom

Rachel Hayward

Guy on Bus

Callahan Brebner

Our Town Player

Caleb Gordon

Our Town Player

Grayson Maxwell Gurnsey

Our Town Player

Emily Giannozio

Our Town Player

Haley Goldin

Via (Age 4)

Maccie Margaret Chbosky

Science Fair Judge

Victoria V. Cruz

Julian's Mom

Yan-Kay Crystal Lowe

Julian's Dad

Steve Bacic

Camp Counsellor

Jason Tremblay

Eddie

William Dickinson

Michelle

Emma Tremblay

Danny

Armen Bagdasarov

Lina Annan

Lidya Jewett

Angela

Kaelyn Breitkopf

Classmate (uncredited)

Brayden Snow

School Kid (uncredited)

Andre Robinson

School Kid (uncredited)

Alyssa Andronyk

Simon Stimson (uncredited)

Wilson Chieng

Classmate (uncredited)

Dallas Snow

Classmate (uncredited)

Justin Snow

Classmate (uncredited)

Kayzhia Snow

Classmate Parent (uncredited)

Amber Snow

Classmate (uncredited)

Elayna Sing

Parent (uncredited)

Ann Evans

Daughter at Coney Island Beach (uncredited)

Abigail Friend

Boy in Red (uncredited)

Razvan Orban

Parent (uncredited)

Kari Staten