Zoom

Tim Allen

Jack Sheppard

Kate Mara

Summer Jones / Wonder

Courteney Cox

Marsha Holloway

Chevy Chase

Dr. Grant

Alexis Bledel

Ace (uncredited)

Kevin Zegers

Connor Shepard / Concussion

Rip Torn

Larraby

Thomas F. Wilson

Dylan's Teacher

Willie Garson

Dick

Spencer Breslin

Tucker Willams / Mega-Boy

Michael Cassidy

Dylan West / Houdini

Aaron Abrams

Corporal Lipscombe (uncredited)