Billy & Mandy's Jacked-Up Halloween

Jack, a headless prankster from Grim's past, uses Billy to steal Grim's scythe so he can destroy Grim and take over the world with demons from the Netherworld.

Animation Adventure Comedy Horror

Grey DeLisle

(Mandy/Granny/Cowgirl (voice))

Greg Eagles

(Grim/Spirit/Knight (voice))

Richard Steven Horvitz

(Billy/Guy (voice))

Wayne Knight

(Jack (voice))

Vanessa Marshall

(Irwin/Toilet Paper Woman (voice))

Billy West

(Giant Pumpkin/Lumber Jack/Announcer/Cell Phone Guy (voice))