
After the Boogey Man tricks the Underworld Court into stripping Grim of his powers, rank and title for alleged misuse, he sets his sights on the legendary Horror’s Hand, hoping to wield its power and dominate the world. Billy, Mandy, Irwin and a powerless Grim race against him to retrieve the artifact first.
Does Billy & Mandy’s Big Boogey Adventure have end credit scenes?
No!
Billy & Mandy’s Big Boogey Adventure does not have end credit scenes. You can leave when the credits roll.
Explore the complete cast of Billy & Mandy’s Big Boogey Adventure, including both lead and supporting actors. Learn who plays each character, discover their past roles and achievements, and find out what makes this ensemble cast stand out in the world of film and television.

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

George Segal
Horror (voice)

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

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

Fred Willard
The Boogey Man (voice)

Armin Shimerman
General Skarr / Pirate #7 (voice)

Jane Carr
Bride of Frankenstein (voice)

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

Dorian Harewood
Older Irwin (voice)

Lauren Tom
Numbuh Three (voice)

Jennifer Hale
Billy's Mom (voice)

Vanessa Marshall
Irwin / Pirate #5 / Unicorn (voice)

Bart Flynn
Giant Cyclops / Ugly Pirate (voice)

Rachael MacFarlane
2 Headed Parrot (voice)

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

Greg Eagles
Grim / Sperg / Pirate #6

Robert Alvarez

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

George Ball
Peequay (voice)

C.H. Greenblatt
Fred Fredburger / Pirate #4 (voice)

James Silverman
Executioner / Pirate #1 (voice)
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