Kristen Stewart as Melinda Sordino

Elizabeth Perkins as Joyce Sordino

Steve Zahn as Mr. Freeman

Michael Angarano as Dave Petrakis

D. B. Sweeney as Jack Sordino

Hallee Hirsh as Rachel Bruin

Robert John Burke as Mr. Neck

Allison Siko as Heather

Eric Lively as Andy Evans

Richard Hagerman as School Bus Driver

Remy Brommer as Yearbook Photographer

Grace Ameter as Emily

Tyanna Rolley as Nicole

Leslie Lyles as Hairwoman

Hallee Hirsh as Rachel

Kimberly Kish as Ms. Keen

Megan Pillar as Ivy

Jamie Lee White as Social Studies Student

Christina Hardebeck as Meg

Caitlyn Folley as Girl at Pep Rally

Tony Roseboro as Principal

Susan Gardner as Guidance Counselor

Arron Kinser as Art Student