
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.
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)

Armin Shimerman
General Skarr / Pirate #7 (voice)
James Silverman
Executioner / Pirate #1 (voice)

Lauren Tom
Numbuh Three (voice)

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

Fred Willard
The Boogey Man (voice)
Crew
Sue Perrotto
Director
Kris Sherwood
Director
Matt Engstrom
Director
Eddy Houchins
Director
Shaun Cashman
Director, Storyboard Artist, Producer
Russell Calabrese
Director
Phil Cummings
Director
Gordon Kent
Director
Michel Lyman
Director
Christine Kolosov
Director

Robert Alvarez
Director
Juli Murphy
Director

Nina G. Bargiel
Writer
Jeremy J. Bargiel
Writer

Maxwell Atoms
Writer, Story, Storyboard Artist, Executive Producer, Characters
Illya Owens
Editor
Rob Desales
Editor
Tara Whitaker
Storyboard Artist
Jay Baker
Storyboard Artist
Chris Headrick
Storyboard Artist
Chris Mitchell
Storyboard Artist
Spencer Laudiero
Storyboard Artist
Mike Diederich
Storyboard Artist

C.H. Greenblatt
Storyboard Artist
Ian Wasseluk
Storyboard Artist
Alex Almaguer
Storyboard Artist
John Holmquist
Storyboard Artist

Brian A. Miller
Executive Producer
Louis J. Cuck
Producer
Jennifer Pelphrey
Producer
Pietro Piumetti
Producer
Ben Pile
Producer
Alicia Parkinson
Post Production Supervisor
Tony Tedford
Post Production Supervisor
Kris Zimmerman
Casting, Sound Director
Hyung-tae Kim
Animation Director
Soo-hyun Park
Animation Director
Joo-Shik Yoo
Animation Director
Lee Jae Bok
Animation Director
Kwang-bae Park
Animation Director
Sandy Benenati
Animation
Glenn Oyabe
Sound Editor
Jesse Arruda
Sound Editor
Timothy J. Garrity
Sound Re-Recording Mixer
Eric Sequeira
Sound Re-Recording Mixer
Brad Brock
Sound Re-Recording Mixer
Robert Serda
Sound Engineer
Azariah Owens
Visual Effects
Drew Neumann
Original Music Composer
Gregory Hinde
Original Music Composer
Shalonda Ware
Production Accountant
Jim Hearn
Dialogue Editor
Mark Bachand
Prop Maker
Anna Chambers
Prop Maker
Frank Homiski
Characters
Eva Wu
Characters
Joe Binggeli
Characters, Background Designer
Marc Perry
Characters, Art Direction

Phil Rynda
Characters, Color Designer
Antonio Gonella
Supervising Technical Director
James Silverman
Production Manager
Jay Bastian
Executive In Charge Of Production
Cliff Voorhees
Background Designer
Don Watson
Background Designer
Bill Flores
Background Designer
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