- Jack Black Stine
- Dylan Minnette Zach Cooper
- Odeya Rush Hannah
- Amy Ryan Gale
- Ryan Lee Champ
- Jillian Bell Lorraine
- Halston Sage Taylor
- Ken Marino Entrenador Carr
- E. Roger Mitchell Mayor
- Kumail Nanjiani
- Karan Soni Mr. Rooney
- Keith Arthur Bolden Principal Garrison