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知念英和 as Shoma Stomach / Kamen Rider Gavv |
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日野友輔 as Hanto Karakida / Kamen Rider Valen |
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宮部のぞみ as Sachika Amane |
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庄司浩平 as Rakia Amarga / Kamen Rider Vram |
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小松利昌 as Soji Shioya |
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鎌田英怜奈 as Lizel Jaldak |
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櫻井皓基 as Gochizo (voice) |
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東海林亜祐 as Gochizo (voice) |
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下和田ヒロキ as Frappeis Gochizo (voice), Chocorappa Gochizo (voice) |
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Kurumi Madoka as Puddinte Gochizo (voice) |
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新木宏典 as Ayami Kato |
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板橋駿谷 as Chotaro Sawamura |
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田淵累生 as Guguna |
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たかし as Granute Kawa |
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Ryohei Kimura as Izik Perut (voice) |
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安里 唯 as Kura |
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Sotatsu Yoshida as Stern-faced man |
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大淵 心実 as Ichika |
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三浦 涼音 as Neeko |
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山下 愛菜 as Misa |
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舞坂 きこ as Yoshino |
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道 as Boy |
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Hiroki Yasumoto as Bocca Jaldak (voice, archived footage) |
| Writing | 香村純子 | Screenplay |
| Directing | 柴崎貴行 | Director |
| Sound | 知念英和 | Theme Song Performance |
| Sound | 日野友輔 | Theme Song Performance |
| Sound | 庄司浩平 | Theme Song Performance |
| Writing | Shōtarō Ishinomori | Original Series Creator |
| Sound | 坂部剛 | Music |
| Camera | Atsushi Uetake | Director of Photography |
| Lighting | 加藤賢也 | Lighting Director |
| Art | 福澤勝広 | Art Direction |
| Editing | 佐藤連 | Editor |
| Directing | 平舘銀河 | Assistant Director |
| Production | 下前明弘 | Line Producer |
| Visual Effects | 田嶋秀樹 | Character Designer |
| Visual Effects | 山本輝 | Character Designer |
| Visual Effects | 喜多統潤 | Character Designer |
| Visual Effects | 小澤護正 | Character Designer |
| Visual Effects | 篠原保 | Creature Design |
| Production | 山田真行 | Producer |
| Production | Kohei Fujita | Producer |
| Production | 武部直美 | Producer |
| Production | 瀧島南美 | Producer |
| Directing | 藤田慧 | Action Director |
| Crew | 縄田雄哉 | Stunts |
| Crew | 鍜治洸太朗 | Stunts |
| Crew | 永徳 | Stunts |
| Crew | Nana Hayashimoto | Stunts |
| Crew | 高田将司 | Stunts |
| Visual Effects | K-SuKe | Creature Design |
