Character Name : Campbell Babbitt

Original Name : Steve Coogan

Gender : Male

Character Name : Lucy Diamond

Original Name : Hilary Duff

Gender : Female

Character Name : Tess Sullivan

Original Name : Olivia Thirlby

Gender : Female

Character Name : Jim Lement

Original Name : Josh Peck

Gender : Male

Character Name : Penelope Little

Original Name : Molly Shannon

Gender : Female

Character Name : Blastoff! Chorus

Original Name : Brett Kelly

Gender : Male

Character Name : Donna Arbetter

Original Name : Molly Price

Gender : Female

Character Name : Fenster Itski

Original Name : Max Hoffman

Gender : Male

Character Name : Peggy Popoladopolous

Original Name : Sarah Lind

Gender : Female

Character Name : Lute Lement

Original Name : Laura Carswell

Gender : Female

Character Name : Ann

Original Name : Ingrid Nilson

Gender : Female

Character Name : Sue

Original Name : Andrea Brooks

Gender : Female

Character Name : Principal Person

Original Name : Andrew Wheeler

Gender : Male

Character Name : Mrs. Bridigan

Original Name : Gabrielle Rose

Gender : Female

Character Name : Sylvia

Original Name : Colleen Rennison

Gender : Female

Character Name : Blyth

Original Name : Aubrey Mozino

Gender : Female

Character Name : Hannah (uncredited)

Original Name : Alexia Fast

Gender : Female

Character Name : Dusty Drake

Original Name : Kendra Waldman

Gender : Female

Character Name : Ezra

Original Name : Aaron Brooks

Gender : Male

Character Name : Sam Calalluci

Original Name : Barry Greene

Gender : Male

Character Name : Sam Calalluci (voice)

Original Name : Levi Sochet

Gender : Male

Character Name : Gina

Original Name : Katie Messina

Gender : Female

Character Name : Angela

Original Name : Alana Husband

Gender : Female

Character Name : Librarian

Original Name : Barbara Greenbaum

Gender : Female

Character Name : Diminutive Girl

Original Name : Brenna O'Brien

Gender : Female

Character Name : Gustave Person

Original Name : Aiden Lane Robson

Gender : Male

Character Name : Grease Monkey

Original Name : David Allan Pearson

Gender : Male

Character Name : Mrs. Person

Original Name : Jilena Cori

Gender : Female

Character Name : Mrs. Itski

Original Name : Patricia Drake

Gender : Female

Character Name : Blastoff! Chorus

Original Name : Ashley Whillans

Gender : Female

Character Name : Blastoff! Chorus

Original Name : Calum Worthy

Gender : Male

Character Name : Blastoff! Chorus

Original Name : Advah Soudack

Gender : Female

Character Name : Blastoff! Chorus

Original Name : Robin Eder-Warren

Gender : Female