Overview
Alien werewolves from the Moon attack Earth and steal all the cheese. It's up to Mandy, Grim, Billy, and Sperg to stop the alien ploy.
DirectorRussell Calabrese
WritersNina G. Bargiel, Jeremy J. Bargiel, Maxwell Atoms
Top Casts
Grey DeLisle
Mandy / Castigator (voice)
Greg Eagles
Grim / Sperg (voice)
Richard Steven Horvitz
Billy / Billy's Dad (voice)
Vanessa Marshall
Irwin / Mouse (voice)
Dee Bradley Baker
Alien Moonbeast / Alien Werewolf / Moonthing (voice)
Jeff Bennett
Alien #1 / Rat (voice)
Chris Cox
Meadowberry / Corporal / Postal Slob (voice)
Jennifer Hale
Billy's Mom / Stinky (voice)
Tom Kenny
Dr. Brainiac / Alien Pilot / Wiggly / Waiter (voice)
Mr. Lawrence
Alien #2 (voice)
Details
Production companiesCartoon Network Studios
Homepagehttp://cartoonnetwork.com
TaglineWitness The Unspeakable! Billy and Mandy Encounter The Space Invaders