Wonder

Jacob Tremblay

As Auggie

Julia Roberts

As Isabel

Owen Wilson

As Nate

Izabela Vidovic

As Via

Noah Jupe

As Jack Will

Millie Davis

As Summer

Bryce Gheisar

As Julian

Mandy Patinkin

As Mr. Tushman

Danielle Rose Russell

As Miranda

Daveed Diggs

As Mr. Browne

Mark Dozlaw

As Teenage Doctor

Rukiya Bernard

As Nurse

Jennifer March

As Neonatologist

Elle McKinnon

As Charlotte

Ty Consiglio

As Amos

Kyle Breitkopf

As Miles

James A Hughes

As Henry

J. Douglas Stewart

As Darth Sidious

Ali Liebert

As Ms. Petosa

Joseph Gordon

As Dodgeball Player

Cameron Roberts

As Cute Guy

Erika McKitrick

As Ella

Nadji Jeter

As Justin

Ben Immanuel

As Mr. Davenport

Jason McKinnon

As School Photographer

Izzy Lieberman

As Reid

Hannah Hoberman

As Rebecca

Michael Alan Healy

As Chewbacca

Sonia Braga

As Grans

Nicole Oliver

As Jack Will's Mom

Emily Delahunty

As Ximena Chin

Lucia Thain

As Savanna

Sasha Neuhaus

As Maya

Rachel Hayward

As Miranda's Mom

Callahan Brebner

As Guy on Bus

Caleb Gordon

As Our Town Player

Grayson Maxwell Gurnsey

As Our Town Player

Emily Giannozio

As Our Town Player

Haley Goldin

As Our Town Player

Maccie Margaret Chbosky

As Via (Age 4)

Victoria V. Cruz

As Science Fair Judge

Yan-Kay Crystal Lowe

As Julian's Mom

Steve Bacic

As Julian's Dad

Jason Tremblay

As Camp Counsellor

William Dickinson

As Eddie

Emma Tremblay

As Michelle

Armen Bagdasarov

As Danny

Lidya Jewett

As Lina Annan

Kaelyn Breitkopf

As Angela

Brayden Snow

As Classmate (uncredited)

Andre Robinson

As School Kid (uncredited)

Alyssa Andronyk

As School Kid (uncredited)

Wilson Chieng

As Simon Stimson (uncredited)

Dallas Snow

As Classmate (uncredited)

Justin Snow

As Classmate (uncredited)

Kayzhia Snow

As Classmate (uncredited)

Amber Snow

As Classmate Parent (uncredited)

Elayna Sing

As Classmate (uncredited)

Ann Evans

As Parent (uncredited)

Abigail Friend

As Daughter at Coney Island Beach (uncredited)

Razvan Orban

As Boy in Red (uncredited)

Kari Staten

As Parent (uncredited)