Shunsaku Ban (voice)
Rock (voice)
Black Jack (voice)
Astro Boy as "Adam" (voice)
Professor Ochanomizu as "Dr. Narzenkopf" (voice)
Princess Sapphire as "The Empress of the Mu Empire" (voice)
Duke Red as "Director Credit" (voice)
Hosuke Sharaku (voice)
Chocola as "Milly" (voice)
Don Dracula as "Dondora" (voice)
Skunk Kusai (voice)
Acetylene Lamp (voice)
