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