Elijah Wood
Clint

Alison Pill
Lucy

Rainn Wilson
Wade

Jack McBrayer
Tracy

Nasim Pedrad
Rebekkah

Leigh Whannell
Doug

Morgan Lily
Tamra

Rebecca Marshall
Emily Dopkins

Jorge Garcia
Rick

Matt Jones
Sheriff Dave

Kate Flannery
Charman

Ian Brennan
Vice Principal Simms

Cooper Roth
Patriot

Miles Elliot
Dink

Armani Jackson
Calvin

Peter Kwong
Mr. Hatachi

Jake Brennan
Lincoln

Mark Christopher Lawrence
Mr. Pederson

Aiden Lovekamp
Racer

Nikita Ager
Patriot's Mom

Angela Bullock
Rhonda

Elizabeth Bogush
Crying Mother

Boni Yanagisawa
Miss Nash

Tammie Baird
Mrs. Birk

Kelli Barksdale
Cootie Kid (uncredited)

Isabella Revel
Angela