Billy / Billybot / Harold / Pale Ghoulish Juror / Chippy the Squirrel (voice) (as Richard Horvitz)

Mandy / Mandroid / Older Mandy / Milkshakes / Some Kid (voice)

Grim / Sperg / Pirate #6

Irwin / Pirate #5 / Unicorn (voice)

I'll Cut You Guy / Pirate #2 / Horrorbot / Burnt Skeleton Guard (voice)

Peequay (voice)

Bride of Frankenstein (voice)

Creeper / Horror's Hand / Pirate #3 / Paperboy (voice)

Giant Cyclops / Ugly Pirate (voice)

Fred Fredburger / Pirate #4 (voice)

Billy's Mom (voice)

Older Irwin (voice)

Space Villain / Glacier of Evil / Dracula / Judge Roy Spleen / Underworld Cop (voice)

2 Headed Parrot (voice)

Horror (voice)

General Skarr / Pirate #7 (voice)

Executioner / Pirate #1 (voice)

Numbuh Three (voice)

Pirate #8 / Miniature Cyclops / Spider Clown Mailman / Beast Master (voice)

The Boogey Man (voice)