Mischa Barton as Katie Parker

Stephen Tobolowsky as Mr. Phillips

Austin St. John as Sean Parker

Matthew Kosto as Alex Parker

Auggie Pulliam as Dylan

Alicia C. Del Aguila as Phoenix

Brooklynn Prince as Sophie

Angela Winiewicz as Elizabeth

Lola Sultan as Willow Hannigan

Zachary T. Robbins as Gordon

Cooper Levin as Donny Phillips

Tara McDonald as Ashley

Trevor Dolden as Gavin

Melanie Suarez as Taylor

Hayden Ramsey as Bobby

Jayden Grimes as Brad Feren

Donald Buhrmeister as Chaz

Andy Ussach as Teacher (uncredited)