Tim Robbins
Dad (Mr. Budwing)
Frank Oz
Robot (voice)
Josh Hutcherson
Walter Budwing
Kristen Stewart
Lisa Budwing
Jonah Bobo
Danny Budwing
Dax Shepard
Astronaut
Derek Mears
Lead Zorgon
Douglas Tait
Zorgon
Joe Bucaro III
Zorgon
Jeff Wolfe
Zorgon
John Alexander
Robot