Amanda Bynes as Sydney White

Sara Paxton as Rachel Witchburn

Matt Long as Tyler Prince

Jeremy Howard as Terrence Lubinecki

Danny Strong as Gurkin

Jack Carpenter as Lenny

John Schneider as Paul White

Samm Levine as Spanky

Arnie Pantoja as George

Crystal Hunt as Demetria Rosemead 'Dinky' Hotchkiss

Adam Hendershott as Jeremy

Lauren Leech as Katy

Libby Mintz as Christy

Donté Bonner as Embele

Brian Patrick Clarke as Professor Carlton

Cree Ivey as Young Sydney White

Kierstin Koppel as Goth Girl

Lisandra Vazquez as Amy

Chris Carberg as Moose

Ashley Eckstein as Alicia

Nadine Avola as Pin Me Sister

Cynthia Murell as Rushee

Jared Callan as

Andy Ussach as Fraternity Boy (uncredited)