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Ikue Ōtani as Pikachu / Sunnygo (voice) |
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Satomi Kōrogi as Togepy / Little Brother Pichu (voice) |
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Yumi Tōma as Big Brother Pichu (voice) |
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Rikako Aikawa as Koduck (voice) |
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Keiji Fujiwara as Usokkie (voice) |
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Megumi Hayashibara as Gomazou (voice) |
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犬山イヌコ as Nyarth (voice) |
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Katsuyuki Konishi as Airmd (voice) |
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桃井はるこ as Sohnano (voice) |
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西村ちなみ as Waninoko (voice) |
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Nobuo Tobita as Yomawaru (voice) |
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Yuji Ueda as Hinoarashi / Sonans (voice) |
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Kappei Yamaguchi as Barubeat (voice) |
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優香 as Narrator (voice) |
| Sound | 梅堀淳 | Original Music Composer |
| Directing | 湯山邦彦 | Director |
| Production | Yukako Matsusako | Producer |
| Production | 盛武源 | Producer |
| Production | 吉川兆二 | Producer |
| Writing | 大橋志吉 | Screenplay |
| Production | 神田修吉 | Producer |
| Visual Effects | Yasuhiro Nishinaka | Character Designer |
| Visual Effects | 一石小百合 | Character Designer |
| Production | 久保雅一 | Executive Producer |
| Crew | 田尻智 | Creator |
| Production | 奥野敏聡 | Producer |
| Directing | 浅田裕二 | Assistant Director |
| Sound | 三間雅文 | Sound Director |
| Production | 川口孝司 | Executive Producer |
| Sound | 田中宏和 | Music Producer |
| Production | 石原恒和 | Production Supervisor |
| Visual Effects | 松原徳弘 | Character Designer |
| Writing | 浅田裕二 | Storyboard |
| Visual Effects | 高橋英吉 | Animation Director |
| Visual Effects | 小田部羊一 | Animation Supervisor |
| Visual Effects | 一石小百合 | Animation Director |
