Grace Kaufman
— Jane Bloom
Johnnie Ladd
— Bebe Whitman
Jacob Melton
— Feeney
Nathaniel J. Potvin
— Logan Davis
Julianna Rigoglioso
— Olive Dimitri
Zack Shires
— Dullbert Finkelsteen
Annie Sertich
— Principal Friday
J.P. Manoux
— Vice Principal Monty
Sean O'Bryan
— Coach Peterson
Cooper Roth
— Pierce Brown
Daniele Gaither
— Lunch Lady Sneed
Zachary Conneen
— Ziggy
Ethan Dizon
— Kid
Isabella Ferregur
— Cheerleader (uncredited)
Jonah Hwang
— Sweatpants Boy / Homecoming King (2014) (uncredited)