Owen Wilson Nate
Jacob Tremblay Auggie
Julia Roberts Isabel
Noah Jupe Jack Will
Nicole Oliver Jack Will's Mom
Mandy Patinkin Mr. Tushman
Daveed Diggs Mr. Browne
Millie Davis Summer
Steve Bacic Julian's Dad
Izabela Vidovic Via
Steven Conrad Screenplay
Sonia Braga Grans
Stephen Chbosky Director, Screenplay
Emma Tremblay Michelle
Nadji Jeter Justin
Danielle Rose Russell Miranda
Kyle Breitkopf Miles
Yan-Kay Crystal Lowe Julian's Mom
Jack Thorne Screenplay
Rachel Hayward Miranda's Mom
Jason Tremblay Camp Counsellor
Bryce Gheisar Julian
Lidya Jewett Lina Annan
Elle McKinnon Charlotte
Andre Robinson School Kid (uncredited)
Rukiya Bernard Nurse
Will Ropp ADR & Dubbing
Deborah Aquila Casting
Kalina Ivanov Production Design
David Hoberman Producer
Jason McKinnon School Photographer
William Kruzykowski First Assistant Editor
Grayson Maxwell Gurnsey Our Town Player
Tricia Wood Casting
Doug Abrahams Dialect Coach
Todd Lieberman Producer
Don Burgess Director of Photography
R.J. Palacio Novel, Executive Producer
Ali Liebert Ms. Petosa
John Stewart Visual Effects Supervisor
Iain Belcher Casting Assistant
Satchel Buck Jones Casting Assistant
Leif Havdale Stunt Coordinator
Marcelo Zarvos Original Music Composer
Ben Immanuel Mr. Davenport
J. Douglas Stewart Darth Sidious
Jeff Skoll Executive Producer
Dale Robinette Still Photographer
Megan Harkness Key Makeup Artist
Mark Dozlaw Teenage Doctor
Scott Sanders Supervising Sound Editor
Daryl Hartwell "B" Camera Operator
Robert Kessel Executive Producer
Emily Delahunty Ximena Chin
Ty Consiglio Amos
Peter Wilke Steadicam Operator
Perry Robertson Supervising Sound Editor
Dean Eilertson Property Master
James A Hughes Henry
Shannon Gottlieb Set Decoration
Craig Henderson Construction Coordinator
Jessica Aquila Cymerman Casting Assistant
Kevin Zimmerman Sound Editor
Naomi Bakstad Makeup Department Head
Arjen Tuiten Makeup Designer
Long Qiuyun Executive Producer
Emily Giannozio Our Town Player
Alexander Young Executive Producer
Mark Livolsi Editor
Michael Burgess "B" Camera Operator, Second Unit Director of Photography
Joe Fugallo Other
Susan Lambie Script Supervisor