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)