Danny DeVito
— Cathkart
Brie Larson
— Suzy Decker
Katey Sagal
— Mom
Skyler Stone
— Quinn
Caitlin Crosby
— Sarah
Ryan Hansen
— Elliot Cathkart
Thomas F. Wilson
— Fire Chief Henry Decker
Tony Yalda
— Gilroy
Matthew Glave
— Hector
Kiernan Shipka
— Daughter Camper
Adam Herschman
— Shirtless Boy
Parvesh Cheena
— Zerban
Michael Bofshever
— Husband Camper
Corryn Cummins
— Wife Camper
Nick Nervies
— Brando
Quan Rico
— Buster
John Farley
— Nate the Store Manager
Jessica Harper
— DWP Clerk
Gregory Hinton
— Carl the Enormous Tranny
John S. McClellan
— Pierced Man w / Puppet
Christine Nguyen
— Brunette Hottie
Tabitha Taylor
— Blondie Hottie
Shannon Holt
— Parent
Raphael Lachs
— Delivery Man
Drew Matthews
— Apartment Kid
Ashlee Abrams
— Cheerleader
Vanessa Celso
— Angry Woman
Stephanie Katz
— Cheerleader
Joe Koons
— Trail
Ashley Rose
— Cheerleader