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)