Interrogator #2 / Mash / drunken bar patron / Dr. Vincent "Vegas Vinnie" Whiskers / Jack Deebs (super hero version) (voice)
Mogorb / Lord of Lerd / Bo - Master Mariner of the World / Additional Voices (voice)
Dizzy Devil / David Letterman / Horatio / Theatre Voice (voice)
Dizzy Devil / Marshal Samuel Gerard / Howard Stern / Additional Voices (voice)
Morbo / Walt / Sun God / Destructor / Additional Voices (voice) (archive footage)
Yosemite Sam / Ghost of William Shakespeare / Dr. Moron / Pepe Le Pew (voice)
Dr. Quizzical / Burger Chef / Knight (voice)
Vincent Van Ghoul / Bernie Alan / Vance Linklater (voice)