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Doctor O'Shay creates a robot-sister, Zoran, for Astro. While Zoran is off exploring she is captured by the giant robot bird Katari, and only her powerful big brother can save her!
Makoto Tsumura
Atom (voice)
Miki Maruyama
Uranium (voice)
Hisashi Katsuta
Professor Ochanomizu (voice)
Shin'ya Ohwada
Nagamiya Tenma (voice)
Kazuo Kumakura
Higeoyaji (voice)