Rob Paulsen
Gramps / Pilot / Mule (voice)
Kath Soucie
Girl / Alien Kid 1 (voice)
Christine Cavanaugh
Boy / Alien Kid 2 (voice)
Charlie Adler
Wimpy Alien / Alien Dad / Terrified Man / Alien Grandpa (voice)
Julianne Elizabeth Davis
President (voice)
Neil Dickson
Alien Leader / Sphinx (voice)
Butch Hartman
Writer
Butch Hartman
Director
Michael Ryan
Writer
Davis Doi
Supervising Producer
Victoria McCollum
Production Supervisor
Robert Alvarez
Animation Director
Kris Zimmerman
Casting Director
Bodie Chandler
Music Director
James Keefer
Camera Operator
Dan Larsen
Camera Operator
Paul Douglas
Supervising Film Editor
Gayle Mnookin
Post Production Supervisor
Gina Lamar
Post Production Coordinator