Jim Cummings as Harry Bottoms / Guy Kirk / Narrator (voice)

Glenn Morshower as General Washington / The President (voice)

Danny Mann as Jean-Paul Bidet / B-M Man (voice)

Steve Mackall as V.D. Johnson / Astronomer (voice)

Jeannie Elias as Sandy Mellons / Kid on Lava (voice)

Heather Capps as Hanukah Jonze (voice)

Isaac C. Singleton, Jr. as Donkey Dixon (voice) (as Isaac Singleton Jr.)

Tommy Lee as Self [Mötley Crüe] (voice)

Nikki Sixx as Self [Motley Crue] (voice)

Eli Roth as Lumberjack (voice)