Michael Angarano
Will Stronghold
Acting
Mary Elizabeth Winstead
Gwen Grayson / Royal Pain
Acting
Kurt Russell
Steve Stronghold / The Commander
Acting
Kelly Preston
Josie Stronghold / Jetstream
Acting
Danielle Panabaker
Layla Williams
Acting
Bruce Campbell
Coach Boomer
Acting
Lynda Carter
Principal Powers
Acting
Kevin Heffernan
Ron Wilson, Bus Driver
Acting
Dee Jay Daniels
Ethan
Acting
Kelly Vitz
Magenta
Acting
Loren Berman
Little Larry
Acting
Nicholas Braun
Zachary "Zach" Braun / Zack Attack
Acting
Steven Strait
Warren Peace
Acting
Malika
Penny
Acting
Khadijah Haqq McCray
Penny
Acting
Jake Sandvig
Lash
Acting
Will Harris
Speed
Acting
Dustin Ingram
Carbon Copy Kid
Acting
Christopher Wynne
News Anchor
Acting
Cloris Leachman
Nurse Spex
Acting
Jim Rash
Mr. Grayson / Stitches
Acting
Dave Foley
Mr. Boy
Acting
Kevin McDonald
Mr. Medulla
Acting
Amy Brown
Twin
Acting
Kimmy Brown
Evil Twin
Acting
Lucille Soong
Cook
Acting
Zachry Rogers
Young Commander
Acting
Tom Kenny
Mr. Timmerman
Acting
Jill Talley
Mrs. Timmerman
Acting
Patrick Warburton
Royal Pain (voice)
Acting
Vakisha Coleman
Student Sidekick (uncredited)
Acting
Sean Gordon
Penny's Date (uncredited)
Sound
Hans Hernke
Laser-Vision Boy (uncredited)
Acting
Jason Maxim
Funky Prom Boy (uncredited)
Acting