Aly Michalka as Charlotte Banks

Vanessa Hudgens as Sa5m

Gaelan Connell as Will Burton

Scott Porter as Ben Wheatly

Ryan Donowho as Basher Martin

Charlie Saxton as Bug

Lisa Kudrow as Karen Burton

Tim Jo as Omar

Elvy as Irene Lerman (Cello)

Lisa Chung as Kim Lee (Keyboards)

J.W. Wright as Dylan Dyer (Glory Dogs Guitar)

Blair Bomar as Megan

Casey Williams as Ms. Wittenberg

Maggie Maye as Kyra 17-1

Zach Thatcher as Kid Talking About Miles

Derek Cox-Berg as Rapping Boy #1

Matt Hensarling as Rapping Boy #2

Cassidy Johnson as Slapping Girl

Landon Henninger as Rory

Nathan McCray as Glue Boy

Kai Roach as Glory Dogs Bass

Chris Copeland as Glory Dogs Drummer

James Hairston as Glory Dogs Saxophone

Chance Morgan as The Burning Hotels Guitar / Vocals

Matt Moody as The Burning Hotels Guitar / Vocals

Marley Whistler as The Burning Hotels Bass / Vocals

Wyatt Adams as The Burning Hotels Drummer

Farah White as Sa5m's Mom

Nikka Graff Lanzarone as New Art Teacher

Bobby Bones as Bandslam MC

Jonathan Rice as Stage Manager

Ryan Ciardo as Bully at the Bus Stop

Will Johnson as Scott Donnelly

Bryan Chafin as 1st Kid

Rebecca Petro as 2nd Kid

David Bowie as David Bowie

Valin Zamarron as Hip Hop Group 'Zeale'

Candice Jackson as Hip Hop Group 'Candice'

Manjeri Krishna as Hip Hop Group 'DJ'

Benjamin Kessler as ICGO Saxophone

Andrew Glen Rector as ICGO Trombone

Juan Lopez as ICGO Trumpet

Evan Butts as The Daze Guitar / Vocals

Chris Ritchie as The Daze Bass

Aaron Lemke as The Daze Drummer

Krystal Morton as Art Class Girl

Todd Graff as Screaming Teacher

Julian Riano as Dewey Kid

Joey Olivares as Rock-N-Roller

Nadia Sahari as Charlotte's Aunt

Joshua Montoya as Screaming Fan

Michael Cuomo as Mr. Berry