Dwight Schultz

as Karl (voice), Karl / Tentacle Father (voice), Karl / Thrax (voice), Karl / Fore-Vegetable (voice), Father Tentacle (voice), Chimp / Rat (voice)

as Dr. Animo (voice)

as Mung Daal (voice), Ninja / Pirate Ninja (voice), Man / Sun Tang Gai (voice)

as 'Howling Mad' Murdock