Auggie
Nate
Via
Isabel
Teenage Doctor
Nurse
Neonatologist
Mr. Tushman
Jack Will
Julian
Charlotte
Mr. Browne
Amos
Miles
Henry (as James Hughes)
Darth Sidious
Summer
Ms. Petosa
Dodgeball Player
Cute Guy
Miranda
Ella
Justin
Mr. Davenport (as Ben Ratner)
School Photographer
Reid
Rebecca
Chewbacca
Grans
Jack Will's Mom
Ximena Chin (as Emily-Rose Delahunty)
Savanna
Maya
Miranda's Mom
Guy on Bus
Our Town Player
Via (Age 4)
Science Fair Judge
Julian's Mom (as Crystal Lowe)
Julian's Dad
Camp Counsellor
Eddie (as William Dickinson)
Michelle
Danny (as Armen Henry Bagdasarov)
Lina Annan
Angela
Daisy the Dog
School Kid (uncredited)
Parent (uncredited)
Student (uncredited)
Drama Student (uncredited)
Driver (uncredited)
Angela's Mom (uncredited)
Classmate (uncredited)
Simon Stimson (uncredited)
Cabinet Member (uncredited)
Rosy Morton - School Girl (uncredited)
Daughter at Coney Island Beach (uncredited)
Photographer (uncredited)
Neighbor (uncredited)
Cab Driver / Parent (uncredited)
Boy in Red (uncredited)
Classmate Parent (uncredited)
Science Fair Judge (uncredited)