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