Top Billed Cast

1. 

   Jacob Tremblay

   Auggie

2. 

   Julia Roberts

   Isabel

3. 

   Owen Wilson

   Nate

4. 

   Izabela Vidovic

   Via

5. 

   Noah Jupe

   Jack Will

6. 

   Millie Davis

   Summer

7. 

   Bryce Gheisar

   Julian

8. 

   Mandy Patinkin

   Mr. Tushman

9. 

   Danielle Rose Russell

   Miranda

10. 

    Daveed Diggs

    Mr. Browne

11. 

    Mark Dozlaw

    Teenage Doctor

12. 

    Rukiya Bernard

    Nurse

13. 

    Jennifer March

    Neonatologist

14. 

    Elle McKinnon

    Charlotte

15. 

    Ty Consiglio

    Amos

16. 

    Kyle Breitkopf

    Miles

17. 

    James A Hughes

    Henry

18. 

    J. Douglas Stewart

    Darth Sidious

19. 

    Ali Liebert

    Ms. Petosa

20. 

    Joseph Gordon

    Dodgeball Player

21. 

    Cameron Roberts

    Cute Guy

22. 

    Erika McKitrick

    Ella

23. 

    Nadji Jeter

    Justin

24. 

    Ben Immanuel

    Mr. Davenport

25. 

    Jason McKinnon

    School Photographer

26. 

    Izzy Lieberman

    Reid

27. 

    Hannah Hoberman

    Rebecca

28. 

    Michael Alan Healy

    Chewbacca

29. 

    Sônia Braga

    Grans

30. 

    Nicole Oliver

    Jack Will's Mom

31. 

    Emily Delahunty

    Ximena Chin

32. 

    Lucia Thain

    Savanna

33. 

    Sasha Neuhaus

    Maya

34. 

    Rachel Hayward

    Miranda's Mom

35. 

    Callahan Brebner

    Guy on Bus

36. 

    Caleb Gordon

    Our Town Player

37. 

    Grayson Maxwell Gurnsey

    Our Town Player

38. 

    Emily Giannozio

    Our Town Player

39. 

    Haley Goldin

    Our Town Player

40. 

    Maccie Margaret Chbosky

    Via (Age 4)

41. 

    Victoria V. Cruz

    Science Fair Judge

42. 

    Yan-Kay Crystal Lowe

    Julian's Mom

43. 

    Steve Bacic

    Julian's Dad

44. 

    Jason Tremblay

    Camp Counsellor

45. 

    William Dickinson

    Eddie

46. 

    Emma Tremblay

    Michelle

47. 

    Armen Bagdasarov

    Danny

48. 

    Lidya Jewett

    Lina Annan

49. 

    Kaelyn Breitkopf

    Angela

50. 

    Gidget

    Daisy

51. 

    Brayden Snow

    Classmate (uncredited)

52. 

    Andre Robinson

    School Kid (uncredited)

53. 

    Alyssa Andronyk

    School Kid (uncredited)

54. 

    Wilson Chieng

    Simon Stimson (uncredited)

55. 

    Dallas Snow

    Classmate (uncredited)

56. 

    Justin Snow

    Classmate (uncredited)

57. 

    Kayzhia Snow

    Classmate (uncredited)

58. 

    Amber Snow

    Classmate Parent (uncredited)

59. 

    Elayna Sing

    Classmate (uncredited)

60. 

    Ann Evans

    Parent (uncredited)

61. 

    Abigail Friend

    Daughter at Coney Island Beach (uncredited)

62. 

    Razvan Orban

    Boy in Red (uncredited)

63. 

    Kari Staten

    Parent (uncredited)