The interplanetary spacecraft Galileo II carries Atom and his friends to Titan, a satellite of Saturn. However, what awaits them when they arrive there is an attack from an unknown entity. What appears is a mechanical life form called "Igza" that wants to destroy humans. The battle between Atom and Igza unfolds in the far reaches of space.
as Astro Boy/Atom (voice)
as Uran (voice)
as Dr. Ochanomizu (voice)
as Ena (voice)
as Dr. Tadeue (voice)
as Igza (voice)
as Tamao (voice)
as Shibugaki (voice)
as Kenichi (voice)
as Captain (voice)
as Female Personnel (voice)
as Operator (voice)
as Arifi (voice)