Jacob Tremblay
Auggie
Acting
Julia Roberts
Isabel
Acting
Owen Wilson
Nate
Acting
Izabela Vidovic
Via
Acting
Noah Jupe
Jack Will
Acting
Millie Davis
Summer
Acting
Bryce Gheisar
Julian
Acting
Mandy Patinkin
Mr. Tushman
Acting
Danielle Rose Russell
Miranda
Acting
Daveed Diggs
Mr. Browne
Acting
Mark Dozlaw
Teenage Doctor
Acting
Rukiya Bernard
Nurse
Acting
Jennifer March
Neonatologist
Acting
Elle McKinnon
Charlotte
Acting
Ty Consiglio
Amos
Acting
Kyle Breitkopf
Miles
Acting
James A Hughes
Henry
Acting
J. Douglas Stewart
Darth Sidious
Acting
Ali Liebert
Ms. Petosa
Acting
Joseph Gordon
Dodgeball Player
Acting
Cameron Roberts
Cute Guy
Acting
Erika McKitrick
Ella
Acting
Nadji Jeter
Justin
Acting
Ben Immanuel
Mr. Davenport
Acting
Jason McKinnon
School Photographer
Acting
Izzy Lieberman
Reid
Acting
Hannah Hoberman
Rebecca
Acting
Michael Alan Healy
Chewbacca
Acting
Sônia Braga
Grans
Acting
Nicole Oliver
Jack Will's Mom
Acting
Emily Delahunty
Ximena Chin
Acting
Lucia Thain
Savanna
Acting
Sasha Neuhaus
Maya
Acting
Rachel Hayward
Miranda's Mom
Acting
Callahan Brebner
Guy on Bus
Acting
Caleb Gordon
Our Town Player
Acting
Grayson Maxwell Gurnsey
Our Town Player
Acting
Emily Giannozio
Our Town Player
Acting
Haley Goldin
Our Town Player
Acting
Maccie Margaret Chbosky
Via (Age 4)
Acting
Victoria V. Cruz
Science Fair Judge
Acting
Yan-Kay Crystal Lowe
Julian's Mom
Acting
Steve Bacic
Julian's Dad
Acting
Jason Tremblay
Camp Counsellor
Acting
William Dickinson
Eddie
Acting
Emma Tremblay
Michelle
Acting
Armen Bagdasarov
Danny
Acting
Lidya Jewett
Lina Annan
Acting
Kaelyn Breitkopf
Angela
Acting
Brayden Snow
Classmate (uncredited)
Acting
Andre Robinson
School Kid (uncredited)
Acting
Alyssa Andronyk
School Kid (uncredited)
Acting
Wilson Chieng
Simon Stimson (uncredited)
Acting
Dallas Snow
Classmate (uncredited)
Acting
Justin Snow
Classmate (uncredited)
Acting
Kayzhia Snow
Classmate (uncredited)
Acting
Amber Snow
Classmate Parent (uncredited)
Acting
Elayna Sing
Classmate (uncredited)
Acting
Ann Evans
Parent (uncredited)
Acting
Abigail Friend
Daughter at Coney Island Beach (uncredited)
Acting
Razvan Orban
Boy in Red (uncredited)
Acting
Kari Staten
Parent (uncredited)
Acting