Campbell Babbitt

Steve Coogan

Acting

Lucy Diamond

Hilary Duff

Acting

Tess Sullivan

Olivia Thirlby

Acting

Jim Lement

Josh Peck

Acting

Penelope Little

Molly Shannon

Acting

Blastoff! Chorus

Brett Kelly

Acting

Donna Arbetter

Molly Price

Acting

Fenster Itski

Max Hoffman

Acting

Peggy Popoladopolous

Sarah Lind

Acting

Lute Lement

Laura Carswell

Acting

Ann

Ingrid Nilson

Acting

Sue

Andrea Brooks

Acting

Principal Person

Andrew Wheeler

Acting

Mrs. Bridigan

Gabrielle Rose

Acting

Sylvia

Colleen Rennison

Acting

Blyth

Aubrey Mozino

Acting

Hannah (uncredited)

Alexia Fast

Acting

Dusty Drake

Kendra Waldman

Acting

Ezra

Aaron Brooks

Acting

Sam Calalluci

Barry Greene

Acting

Sam Calalluci (voice)

Levi Sochet

Acting

Gina

Katie Messina

Acting

Angela

Alana Husband

Acting

Librarian

Barbara Greenbaum

Acting

Diminutive Girl

Brenna O'Brien

Acting

Gustave Person

Aiden Lane Robson

Acting

Grease Monkey

David Allan Pearson

Acting

Mrs. Person

Jilena Cori

Acting

Mrs. Itski

Patricia Drake

Acting

Blastoff! Chorus

Ashley Whillans

Acting

Blastoff! Chorus

Calum Worthy

Acting

Blastoff! Chorus

Advah Soudack

Acting

Blastoff! Chorus

Robin Eder-Warren

Acting