Grey DeLisle

Mandy / Aunt Sis / Kid / Ike (voice)

Greg Eagles

Grim / Sperg / Giant Candy Bar (voice)

Richard Steven Horvitz

Billy / Harold / Pumpkin / Trick-or-Treater Eater (voice)

Vanessa Marshall

Irwin / Hoss's Mom (voice)

Diedrich Bader

Hoss Delgado (voice)

Armin Shimerman

General Skarr / Candy Skeleton / Rat / Creepy Gnome (voice)

C.H. Greenblatt

Fred Fredburger (voice)

Maxwell Atoms

Jeff the Spider (voice)

Phil LaMarr

Dracula / Grandmama / Bougersnatch (voice)

Rachael MacFarlane

Mindy (voice)

Dave Wittenberg

Bun-Bun / Trick-or-Treater Eater #1 / Jimbo (voice)

Dan Gilvezan

Confic / Humicun (voice)

Greg Ellis

Perkins / Peanutbutter Wheel / Tiny Skull (voice)

Jess Harnell

Singer (voice)

Martin Jarvis

Nergal / Police Officer / Tarvis (voice)