Tim Allen
Jack Sheppard
Acting
Courteney Cox
Marsha Holloway
Acting
Chevy Chase
Dr. Grant
Acting
Spencer Breslin
Tucker Willams / Mega-Boy
Acting
Kevin Zegers
Connor Shepard / Concussion
Acting
Kate Mara
Summer Jones / Wonder
Acting
Michael Cassidy
Dylan West / Houdini
Acting
Ryan Whitney
Cindy Collins / Princess
Acting
Rip Torn
Larraby
Acting
Cornelia Guest
Cindy's Mom
Acting
Ashton Moio
Halloween Bully
Acting
Hunter Aarniokoski
Prince
Acting
Thomas F. Wilson
Dylan's Teacher
Acting
Ridge Canipe
Mean Bully
Acting
Danny McCarthy
Meaner Bully
Acting
David L. Lander
Wendy's Employee
Acting
Lauren Sánchez Bezos
Reporter
Acting
Willie Garson
Dick
Acting
Jane Hajduk
Researcher Taylor
Acting
Tommy Chang
Martial Arts Instructor
Acting
Zoe Doyle
Researcher
Acting
Tim Nasiopoulos
Large Agent
Acting
Deanna DeLisle
Cheerleader
Acting
Meg Anderson
Cheerleader
Acting
Kendra Rose Montagna
Cheerleader
Acting
Aaron Abrams
Corporal Lipscombe (uncredited)
Acting
Stacey Alfano
Stefanie (uncredited)
Costume & Make-Up
Nick Baga
Fat Swimmer (uncredited)
Acting
Alexis Bledel
Ace (uncredited)
Acting
Darryl Dinn
Lab Researcher (uncredited)
Acting
Allison Gordon
Girl with Big Hair (uncredited)
Acting
Sadey Paige Nifong
Kid In Pool (uncredited)
Acting
Andrea Savo
Carmen / Big haired Latina (uncredited)
Acting