Cast
Dylan Minnette
Zach
Jack Black
Stine / Slappy / Invisible Boy (voice)
Odeya Rush
Hannah
Ryan Lee
Champ
Amy Ryan
Gale
Jillian Bell
Lorraine
Halston Sage
Taylor
Steven Krueger
Davidson
Keith Arthur Bolden
Principal Garrison
Amanda Lund
Officer Brooks
Timothy Simons
Officer Stevens
Ken Marino
Coach Carr
Karan Soni
Mr. Rooney
R.L. Stine
Hallway Player
Caleb Emery
Dumb Jock
