Billy & Mandy's Big Boogey Adventure
When the Boogey Man causes Grim to lose his powers, rank, and title in the Underworld Court for misusing his powers, he plots to seek out Horror's Hand and take over the world. It's up to Billy, Mandy, Irwin, and Grim to get to Horror's Hand before the Boogey Man does.
Official Trailer
Principal Cast
Richard Steven Horvitz
Billy / Billybot / Harold / Pale Ghoulish Juror / Chippy the Squirrel (voice) (as Richard Horvitz)
Grey DeLisle
Mandy / Mandroid / Older Mandy / Milkshakes / Some Kid (voice)
Greg Eagles
Grim / Sperg / Pirate #6
Vanessa Marshall
Irwin / Pirate #5 / Unicorn (voice)
Maxwell Atoms
I'll Cut You Guy / Pirate #2 / Horrorbot / Burnt Skeleton Guard (voice)
George Ball
Peequay (voice)
Jane Carr
Bride of Frankenstein (voice)
Greg Ellis
Creeper / Horror's Hand / Pirate #3 / Paperboy (voice)
Bart Flynn
Giant Cyclops / Ugly Pirate (voice)
C.H. Greenblatt
Fred Fredburger / Pirate #4 (voice)
Jennifer Hale
Billy's Mom (voice)
Dorian Harewood
Older Irwin (voice)
Phil LaMarr
Space Villain / Glacier of Evil / Dracula / Judge Roy Spleen / Underworld Cop (voice)
Rachael MacFarlane
2 Headed Parrot (voice)
George Segal
Horror (voice)
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