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山口勝平 as Heart (voice) |
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加藤清史郎 as Umasou (voice) |
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原田知世 as Mother (voice) |
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川島得愛 as Light (voice) |
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別所哲也 as One-eyed Bacu (voice) |
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愛河里花子 as Heart (young) (voice) |
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桐本拓哉 as Gonza (voice) |
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川村万梨阿 as Licker (voice) |
| Directing | 藤森雅也 | Director |
| Visual Effects | 三浦厚也 | Key Animation |
| Visual Effects | 亀谷響子 | Key Animation |
| Visual Effects | 宮川治雄 | Key Animation |
| Visual Effects | 中山初絵 | Key Animation |
| Visual Effects | 大竹守 | Key Animation |
| Visual Effects | 鈴木陽子 | Key Animation |
| Visual Effects | 堀剛史 | Key Animation |
| Visual Effects | 河野紘一郎 | Key Animation |
| Visual Effects | 谷口亜希子 | Key Animation |
| Visual Effects | 野崎あつこ | Key Animation |
| Visual Effects | 小野陽子 | Key Animation |
| Visual Effects | 永田亜美 | Key Animation |
| Visual Effects | 大関紀子 | Key Animation |
| Visual Effects | 原田大基 | Key Animation |
| Visual Effects | 野崎麗子 | Key Animation |
| Visual Effects | 小川一郎 | Key Animation |
| Visual Effects | 九鬼朱 | Key Animation |
| Art | 中村隆 | Art Direction |
| Writing | 村上修 | Screenplay |
| Writing | じんのひろあき | Screenplay |
| Visual Effects | 柳田義明 | Animation Director |
| Visual Effects | 柳田義明 | Character Designer |
| Camera | 斎藤秋男 | Director of Photography |
| Art | 藤森雅也 | Storyboard Designer |
| Sound | 倉橋静男 | Sound Effects |
| Writing | Tatsuya Miyanishi | Book |
| Sound | 三間雅文 | Sound Director |
| Sound | 中嶋聡彦 | Sound Director |
| Visual Effects | 村田恵里子 | Color Designer |
| Editing | 佐野由里子 | Editor |
| Sound | 寺嶋民哉 | Original Music Composer |
| Editing | 小須田一樹 | Other |
