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Seiichiro Nagata
ActorBorn July 9, 1998 (27 years)
In 2016, he made his acting debut in the 3rd season of the musical “The Prince of Tennis”. On October 2, 2017 he transferred from Watanabe Entertainment to SUI Co., Ltd. He is active in 2.5 stages and Musical Touken Ranbu as Murakumo Gou. In November 2023, he appeared in "Kamen Rider Gatchard" and " Kamen Rider Gatchard VS Kamen Rider Legend" as Houou Kaguya Quartz. He left SUI Co., Ltd. on April 30, 2024 and became a freelancer starting May 1, 2024. On July 1st of the same year, he opened his first official fan club and official website.
Filmography
| 2025 | Kakegurui Stage · as Ryota Suzui |
| 2025 | Labyrinth Opera: Pretty Boy Detective Club Continued · as Michiru Fukuroi |
| 2024 | Kamen Rider Gotchard: The Future Daybreak · as Ho-Oh Kaguya Quartz / Kamen Rider Legend |
| 2023 | Musical Touken Ranbu: Gou on Stage Zepp Tour · as Murakumo Gou |
| 2023 | Musical Touken Ranbu: Gou on Stage ~New Satomi Hakkenden~ · as Murakumo Gou |
| 2023 | Kamen Rider Gotchard VS Kamen Rider Legend (TV Series) · as Houou Kaguya Quartz / Kamen Rider Legend |
| 2023 | Kamen Rider Gotchard (TV Series) · as Ho-Oh Kaguya Quartz / Kamen Rider Legend |
| 2022 | Musical Touken Ranbu ~Shinken Ranbu Sai 2022~ · as Murakumo Gou |
| 2022 | Labyrinth Opera: Pretty Boy Detective Club · as Michiru Fukuroi |
| 2021 | Musical Touken Ranbu: Memories of Tokyo · as Murakumo Gou |
| 2016 | It's Not That I Can't Get Married, I Just Don't Do It (TV Series) · as Hiro |
| 2016 | Tokyo MPD - From ZERO to HERO (TV Series) · as Yoshio Namiki |
| 1971 | Kamen Rider (TV Series) · as Houou Kaguya Quartz / Kamen Rider Legend |