Movie

Billy & Mandy's Jacked-Up Halloween

Released: October 31, 2003 (2003)

Runtime: 22 minutes

Genres: Animation, Comedy, Adventure, Horror, TV Movie, Fantasy

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.

Main Cast (Top 10 billed, oldest first)

Billy West as Giant Pumpkin/Lumber Jack/Announcer/Cell Phone Guy (voice)
Age at release: 51
Wayne Knight as Jack (voice)
Age at release: 48
Richard Steven Horvitz as Billy/Guy (voice)
Age at release: 37
Vanessa Marshall as Irwin/Toilet Paper Woman (voice)
Age at release: 34
Greg Eagles as Grim/Spirit/Knight (voice)
Age at release: 33
Grey DeLisle as Mandy/Granny/Cowgirl (voice)
Age at release: 30