Jack Black Dewey Finn
Joan Cusack Rosalie Mullins
Miranda Cosgrove Summer Hathaway
Amy Sedaris Mrs. Haynish
Mike White Ned Schneebly, Screenplay
Frank Whaley Battle of the Bands Director (uncredited)
Nicky Katt Razor
Sarah Silverman Patty Di Marco
Aleisha Allen Alicia
Richard Linklater Director
Andrew Weisblum Assistant Editor
Rivkah Reyes Katie
Jery Hewitt Stunt Coordinator
Kevin Alexander Clark Freddy Jones
Peter Epstein Stunts
Joseph E. Iberti Unit Production Manager
Stephanie Finochio Stunts
Tim Hopper Zack's Father
Suzzanne Douglas Tomika's Mother
Alan D'Angerio Hairstylist
Cole Hawkins Leonard
Scott Rudin Producer
Lucas Babin Spider
Donald J. Hewitt Jr. Stunts
Mandy Siegfried Female Employee
Joey Gaydos Jr. Zack
David Shumbris Stunts
Karen Patch Costume Design
Joanna Adler Summer's Mother
Lee Wilkof Mr. Green
Kate McGregor-Stewart Mrs. Lemmons
Vince Cupone Stunts
Angelo Massagli Frankie
Heather Goldenhersh Sheila
Jordan-Claire Green Michelle
Chris Stack Doug
Tina McKissick Stunts
Caileigh Scott Concert Goer (uncredited)
Lucas Papaelias Neil
Martin Lasowitz Property Master
Ryan O'Connor No Vaccancy's Biggest Fan (uncredited)
Catherine A. Callahan Concert Goer (uncredited)
Bruce MacCallum "B" Camera Operator
Sharon Washington Alicia's Mother
Rod Calarco Second Assistant "B" Camera
Kim Jennings Assistant Art Director
Michelle L. Keiser Second Assistant Director
Sandra Adair Editor
Janice Wilde Casting Associate
Nancy Cabrera Foley Artist
Robert Lin Lawrence's Father
Robert Tsai Lawrence
Karin Wiesel Set Decoration
Kathryn-Ann Oaks Shertzer Second Second Assistant Director
Don Hewitt Sr. Stunt Coordinator
Jamie Vergan Concert Goer (uncredited)
Kate Edwards Costume Supervisor
Jane DeNoble Billy's Mom (uncredited)
John Highsmith Tony
Don Kozma Assistant Makeup Artist
Kimberly Grigsby Mrs. Sheinkopf
Adesola A. Osakalumi Choreographer
Jerry Popolis Assistant Hairstylist
Elle Key Concert Goer
Jim Dunbar Music Coordinator
Shawnna Thibodeau Stunts
Scott Graham Punk Rock Guy
Caitlin Hale Marta
Z Infante Gordon
Riley G. Matthews, Jr. Blood Brothers MC Biker (uncredited)
Adam Scher Art Direction
Jeremy Conway Production Design