Irwin, Hoss Delgado, Jeff the Spider, Fred Fredburger, and General Skarr from the "Grim Adventures of Billy and Mandy" team up to fight an evil candy army from the Underworld on Halloween.
Mandy / Aunt Sis / Kid / Ike (voice)
Grey DeLisle
Grim / Sperg / Giant Candy Bar (voice)
Greg Eagles
Billy / Harold / Pumpkin / Trick-or-Treater Eater (voice)
Richard Steven Horvitz
Irwin / Hoss's Mom (voice)
Vanessa Marshall
Hoss Delgado (voice)
Diedrich Bader
General Skarr / Candy Skeleton / Rat / Creepy Gnome (voice)
Armin Shimerman
Fred Fredburger (voice)
C.H. Greenblatt
Jeff the Spider (voice)
Maxwell Atoms
Dracula / Grandmama / Bougersnatch (voice)
Phil LaMarr
Mindy (voice)
Rachael MacFarlane
Bun-Bun / Trick-or-Treater Eater #1 / Jimbo (voice)
Dave Wittenberg
Confic / Humicun (voice)
Dan Gilvezan
Perkins / Peanutbutter Wheel / Tiny Skull (voice)
Greg Ellis
Singer (voice)
Jess Harnell
Nergal / Police Officer / Tarvis (voice)
Martin Jarvis