Eric Artell
— Charles
James Avery
— Uncle John
Maura Claire Barclay
— Little Girl
Dean Bates
— Young Charles
Barbara Beneville
— Mrs. Clayton
Wendy Calio
— Suzanne
Joe Costello
— Aaron
Steve Fogel
— Jude Martin Wilson
Gordon Goodman
— Lord Billiards
Allan Groves
— Nathaniel
Stan Harris
— The Sultan
Carter Jenkins
— Young Dex
David Kaye
— Dr. Marion Lefler
Lauren Kaye
— Sarah Allgood
Andrew Wei Lin
— Petree
Andrés López
— Morgan
Tina Majorino
— Sal
Michael Miranda
— Steven
Zuzana Monroe
— Ice Skater
Greg Neil
— Clay
Blake Neitzel
— Young Keith
Matt Orduna
— Seth
Keith Paugh
— Keith
Brian Petersen
— Dex
Rich Pulin
— Policeman
Connor Ross
— Young Clay
Aaron Ruell
— Donatello
Jeff Runyan
— NASA Dude
Nick Somers
— Student
Brett Hernandez Spackman
— NASA Newbie