Steve Coogan

Campbell Babbitt

Hilary Duff

Lucy Diamond

Olivia Thirlby

Tess Sullivan

Josh Peck

Jim Lement

Molly Shannon

Penelope Little

Brett Kelly

Blastoff! Chorus

Molly Price

Donna Arbetter

Max Hoffman

Fenster Itski

Sarah Lind

Peggy Popoladopolous

Laura Carswell

Lute Lement

Ingrid Nilson

Ann

Andrea Brooks

Sue

Andrew Wheeler

Principal Person

Gabrielle Rose

Mrs. Bridigan

Colleen Rennison

Sylvia

Jonathan Glatzer