A mysterious virus hits an isolated elementary school, transforming the kids into a feral swarm of mass savages. An unlikely hero must lead a motley band of teachers in the fight of their lives.
Clint
Elijah Wood
Lucy
Alison Pill
Wade
Rainn Wilson
Tracy
Jack McBrayer
Rebekkah
Nasim Pedrad
Doug
Leigh Whannell
Tamra
Morgan Lily
Emily Dopkins
Rebecca Marshall
Rick
Jorge Garcia
Sheriff Dave
Matt Jones
Charman
Kate Flannery
Vice Principal Simms
Ian Brennan
Patriot
Cooper Roth
Dink
Miles Elliot
Calvin
Armani Jackson
Mr. Hatachi
Peter Kwong
Shelly
Sunny May Allison
Lincoln
Jake Brennan
Mr. Pederson
Mark Christopher Lawrence
Racer
Aiden Lovekamp
Moon
Lauren Stovall
Safety Helmet Boy
Jared Breeze
Patriot's Mom
Nikita Ager
Rhonda
Angela Bullock
Crying Mother
Elizabeth Bogush
Miss Nash
Boni Yanagisawa
Mrs. Birk
Tammie Baird
Cootie Kid (uncredited)
Kelli Barksdale
Angela
Isabella Revel
Mrs. Gordon
Lauren Katz
Mr. Henderson
Brian Henderson
Tricycle Girl
Ashley Rae Miller