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.

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  Richard Steven Horvitz

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

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

  Grim / Sperg / Pirate #6
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  Vanessa Marshall

  Irwin / Pirate #5 / Unicorn (voice)
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  Maxwell Atoms

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

  Bride of Frankenstein (voice)
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  Greg Ellis

  Creeper / Horror's Hand / Pirate #3 / Paperboy (voice)
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  C.H. Greenblatt

  Fred Fredburger / Pirate #4 (voice)
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  Jennifer Hale

  Billy's Mom (voice)
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  Dorian Harewood

  Older Irwin (voice)