Jacob Tremblay
Auggie
Julia Roberts
Isabel
Owen Wilson
Nate
Izabela Vidovic
Via
Noah Jupe
Jack Will
Millie Davis
Summer
Bryce Gheisar
Julian
Mandy Patinkin
Mr. Tushman
Danielle Rose Russell
Miranda
Daveed Diggs
Mr. Browne
Mark Dozlaw
Teenage Doctor
Rukiya Bernard
Nurse
Jennifer March
Neonatologist
Elle McKinnon
Charlotte
Ty Consiglio
Amos
Kyle Breitkopf
Miles
James A Hughes
Henry
J. Douglas Stewart
Darth Sidious
Ali Liebert
Ms. Petosa
Joseph Gordon
Dodgeball Player
Cameron Roberts
Cute Guy
Erika McKitrick
Ella
Nadji Jeter
Justin
Ben Immanuel
Mr. Davenport
Jason McKinnon
School Photographer
Izzy Lieberman
Reid
Hannah Hoberman
Rebecca
Michael Alan Healy
Chewbacca
Sônia Braga
Grans
Nicole Oliver
Jack Will's Mom
Emily Delahunty
Ximena Chin
Lucia Thain
Savanna
Sasha Neuhaus
Maya
Rachel Hayward
Miranda's Mom
Callahan Brebner
Guy on Bus
Caleb Gordon
Our Town Player
Grayson Maxwell Gurnsey
Our Town Player
Emily Giannozio
Our Town Player
Haley Goldin
Our Town Player
Maccie Margaret Chbosky
Via (Age 4)
Victoria V. Cruz
Science Fair Judge
Yan-Kay Crystal Lowe
Julian's Mom
Steve Bacic
Julian's Dad
Jason Tremblay
Camp Counsellor
William Dickinson
Eddie
Emma Tremblay
Michelle
Armen Bagdasarov
Danny
Lidya Jewett
Lina Annan
Kaelyn Breitkopf
Angela
Brayden Snow
Classmate (uncredited)
Andre Robinson
School Kid (uncredited)
Alyssa Andronyk
School Kid (uncredited)
Wilson Chieng
Simon Stimson (uncredited)
Dallas Snow
Classmate (uncredited)
Justin Snow
Classmate (uncredited)
Kayzhia Snow
Classmate (uncredited)
Amber Snow
Classmate Parent (uncredited)
Elayna Sing
Classmate (uncredited)
Ann Evans
Parent (uncredited)
Abigail Friend
Daughter at Coney Island Beach (uncredited)
Razvan Orban
Boy in Red (uncredited)
Kari Staten
Parent (uncredited)
Marcelo Zarvos
Original Music Composer
Will Ropp
ADR & Dubbing
Stephen Chbosky
Director
Mark Livolsi
Editor
Todd Lieberman
Producer
David Hoberman
Producer
R.J. Palacio
Novel
Steven Conrad
Screenplay
Deborah Aquila
Casting
Don Burgess
Director of Photography
Susan Lambie
Script Supervisor
Kevin Zimmerman
Sound Editor
Kalina Ivanov
Production Design
Kendelle Elliott
Art Direction
Jessica Aquila Cymerman
Casting Assistant
John Dekker
Gaffer
Monique Prudhomme
Costume Design
Craig Henderson
Construction Coordinator
Stephanie Moore
Script Coordinator
Perry Robertson
Supervising Sound Editor
Ailsa Macmillan
Key Hair Stylist
Tricia Wood
Casting
Dean Eilertson
Property Master
Luisa Dalmagro
Costume Coordinator
Julian Chapdelaine
Dolly Grip
John Stewart
Visual Effects Supervisor
Michael Leder
Boom Operator
Peter Wilke
Steadicam Operator
Dale Robinette
Still Photographer
Robert A. Pandini
Hair Department Head
Naomi Bakstad
Makeup Department Head
Kayla Straub
Set Costumer
Keilah Boyle
Continuity
Steve Woodley
Animal Coordinator
Katherine McArdle
Casting Assistant
Reid Cohoon
Key Grip
Kara Eide
Casting
Kris Woznesensky
Casting
Shannon Gottlieb
Set Decoration
Gina MacKay
Art Department Coordinator
Scott Sanders
Supervising Sound Editor
Aimee Macabeo
Hair Supervisor
Alison Fraser
Assistant Costume Designer
Megan Harkness
Key Makeup Artist
R. Toi Rodchompu
Wigmaker
Darin Wong
Dolly Grip
William Kruzykowski
First Assistant Editor
Iain Belcher
Casting Assistant
Michael Beugg
Executive Producer
R.J. Palacio
Executive Producer
Robert Kessel
Executive Producer
Alexander Young
Executive Producer
Long Qiuyun
Executive Producer
Jeff Skoll
Executive Producer
Stephen Chbosky
Screenplay
Jack Thorne
Screenplay
Arjen Tuiten
Makeup Designer
Leif Havdale
Stunt Coordinator
Doug Abrahams
Dialect Coach
Mylan Stepanovich
Production Manager
Michael Burgess
"B" Camera Operator
Michael Burgess
Second Unit Director of Photography
Daryl Hartwell
"B" Camera Operator