Mandy Patinkin
Mr. Tushman
Danielle Rose Russell
Miranda
Mark Dozlaw
Teenage Doctor
Jennifer March
Neonatologist
J. Douglas Stewart
Darth Sidious
Joseph Gordon
Dodgeball Player
Ben Immanuel
Mr. Davenport
Jason McKinnon
School Photographer
Michael Alan Healy
Chewbacca
Nicole Oliver
Jack Will's Mom
Emily Delahunty
Ximena Chin
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
Jason Tremblay
Camp Counsellor
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)