Dewey Finn

Jack Black

Acting

Rosalie Mullins

Joan Cusack

Acting

Ned Schneebly

Mike White

Writing

Patty Di Marco

Sarah Silverman

Acting

Summer Hathaway

Miranda Cosgrove

Acting

Zack

Joey Gaydos Jr.

Acting

Freddy Jones

Kevin Alexander Clark

Acting

Katie

Rivkah Reyes

Acting

Lawrence

Robert Tsai

Acting

Tomika

Maryam Hassan

Acting

Alicia

Aleisha Allen

Acting

Marta

Caitlin Hale

Acting

Billy

Brian Falduto

Acting

Gordon

Z Infante

Acting

Marco

James Hosey

Acting

Frankie

Angelo Massagli

Acting

Leonard

Cole Hawkins

Acting

Mr. Green

Lee Wilkof

Acting

Mrs. Lemmons

Kate McGregor-Stewart

Acting

Theo

Adam Pascal

Acting

Spider

Lucas Babin

Acting

Neil

Lucas Papaelias

Acting

Doug

Chris Stack

Acting

Tomika's Mother

Suzzanne Douglas

Acting

Michelle

Jordan-Claire Green

Acting

Eleni

Veronica Afflerbach

Acting

Emily

Jaclyn Neidenthal

Acting

Musician

Eron Otcasek

Acting

Musician

Carlos Velazquez

Acting

Mrs. Sheinkopf

Kimberly Grigsby

Acting

Gym Teacher

Wally Dunn

Acting

Zack's Father

Tim Hopper

Acting

Art Student

Michael Dominguez-Rudolph

Acting

Max

Crash Cortez

Acting

Razor

Nicky Katt

Acting

Tony

John Highsmith

Acting

Sheila

Heather Goldenhersh

Acting

Waiter

Timothy "Speed" Levitch

Acting

Punk Rock Guy

Scott Graham

Acting

Alicia's Mother

Sharon Washington

Acting

Leonard's Mother

Kim Brockington

Acting

Concerned Father

Marty Murphy

Acting

Freddy's Mother

Kathleen McNenny

Acting

Summer's Mother

Joanna Adler

Acting

Lawrence's Father

Robert Lin

Acting

Cop

Barry Shurchin

Acting

Bus Driver

MacIntyre Dixon

Acting

Mrs. Haynish

Amy Sedaris

Acting

Teacher's Assistant

Mary Fortune

Acting

Female Employee

Mandy Siegfried

Acting

Concert Goer

Elle Key

Production

Security Guard

Carlos J. Da Silva

Acting

Radio Exec

Ian O'Malley

Acting

Radio DJ

Chris Line

Acting

Toby

Kyle Meaney

Acting

Battle of the Bands Director (uncredited)

Frank Whaley

Acting

Concert Goer (uncredited)

Lauren Adler

Acting

Groupie (uncredited)

Kelly Anne Burns

Acting

Concert Goer (uncredited)

Leanne Cabrera

Acting

Concert Goer (uncredited)

Catherine A. Callahan

Acting

Leonard's Dad (uncredited)

Cedric Cannon

Acting

Billy's Mom (uncredited)

Jane DeNoble

Acting

Concert Goer (uncredited)

Caileigh Scott

Acting

Blood Brothers MC Biker (uncredited)

Riley G. Matthews, Jr.

Acting

No Vaccancy's Biggest Fan (uncredited)

Ryan O'Connor

Acting

Concert Goer (uncredited)

Scott Ross

Acting

Guy in Crowd Who Catches Dewey (uncredited)

Johnny Sullivan

Acting

Concert Goer (uncredited)

Jamie Vergan

Acting

Concert Goer (uncredited)

Joe Wachowski

Acting