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Fumi Hirano as Lum (voice) |
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Toshio Furukawa as Ataru (voice) |
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Kazuko Sugiyama as Ten (voice) |
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Akira Kamiya as Mendou (voice) |
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池水通洋 as Onsen Mark (voice) |
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Tomomichi Nishimura as The Principal (voice) |
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Mayumi Tanaka as Ryunosuke (voice) |
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安西正弘 as Ryunosuke's Father (voice) |
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鷲尾真知子 as Sakura (voice) |
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Ichirō Nagai as Cherry (voice) |
| Writing | 高橋留美子 | Original Series Creator |
| Directing | 牧野滋人 | Director |
| Writing | Hidehiro Fujita | Writer |
| Editing | 関一彦 | Editor |
| Production | 丸山正雄 | Producer |
| Crew | 福田岳志 | Cinematography |
| Art | 紅優 | Storyboard Artist |
| Editing | 辺見俊夫 | Editor |
| Production | 松下洋子 | Producer |
| Production | 渡辺 明 | Producer |
| Sound | 斯波重治 | Sound Director |
| Art | Kazushige Takatô | Art Direction |
| Writing | 高橋留美子 | Comic Book |
