
Seiichiro Nagata
Known for Acting · 31 credits
- Born
- 1998-07-09 (age 27)
- Place of birth
- Shizuoka Prefecture, Japan
- Also known as
- 永田 聖一朗 · Seiichirou Nagata · Nagata Seiichiro
Biography
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.
Known For

Kamen Rider
1971
as Houou Kaguya Quartz / Kamen Rider Legend

Kamen Rider Gotchard
2023
as Ho-Oh Kaguya Quartz / Kamen Rider Legend

Kamen Rider Gotchard: The Future Daybreak
2024
as Ho-Oh Kaguya Quartz / Kamen Rider Legend

Kamen Rider Gotchard Short Anime: Gotcha the Seven Mysteries of Furasu High!
2024
as Houou Kaguya Quartz

Kamen Rider Gotchard VS Kamen Rider Legend
2023
as Houou Kaguya Quartz / Kamen Rider Legend

Kamen Rider Gotchard Final Episode: You and Me, We've Got CHEMY×STORY - Director's Cut Version
2024
as Ho-Oh Kaguya Quartz / Kamen Rider Legend
TV Shows (7)

Kamen Rider
1971
as Houou Kaguya Quartz / Kamen Rider Legend

Kamen Rider Gotchard
2023
as Ho-Oh Kaguya Quartz / Kamen Rider Legend

Kamen Rider Gotchard Short Anime: Gotcha the Seven Mysteries of Furasu High!
2024
as Houou Kaguya Quartz

Kamen Rider Gotchard VS Kamen Rider Legend
2023
as Houou Kaguya Quartz / Kamen Rider Legend

Kamen Rider: Reiwa's Gorgeous Sports Day
2024
as Kamen Rider Legend (voice)

Nanashi: Seventh Special Cause of Death Department
2023
as Tsuyobi
Kamen Rider Gavv: Transformation Lessons
2024
as Ho-Oh Kaguya Quartz / Kamen Rider Legend (voice)
Movies (24)

Kamen Rider Gotchard: The Future Daybreak
2024
as Ho-Oh Kaguya Quartz / Kamen Rider Legend

Kamen Rider Gotchard Final Episode: You and Me, We've Got CHEMY×STORY - Director's Cut Version
2024
as Ho-Oh Kaguya Quartz / Kamen Rider Legend

Musical The Prince Of Tennis Concert: Dream Live 2018
2018
as Kikumaru Eiji

No. 1 Sentai Gozyuger Anniversary Discussion
2025
as Kamen Rider Legend (voice)

Musical Touken Ranbu: Tokyo Kokoro Oboe
2021
as Murakumo Gou

Musical Touken Ranbu: Gou on Stage Zepp Tour
2023
as Murakumo Gou

Kamen Rider Gotchard: Final Stage
2024
as Ho-Oh Kaguya Quartz/Kamen Rider Legend

Labyrinth Opera: Pretty Boy Detective Club
2022
as Michiru Fukuroi

Musical Touken Ranbu: 9th Anniversary Festival
2024
as 村雲江

Musical Touken Ranbu ~Shinken Ranbu Sai 2022~
2022
as Murakumo Gou

Labyrinth Opera: Pretty Boy Detective Club Continued
2025
as Michiru Fukuroi

Musical The Prince Of Tennis Concert: Dream Live 2017
2017
as Kikumaru Eiji

Mob Psycho 100 ~Ura tai Ura ~
2019
as Sho Suzuki
![Brain Crash Theatre [Dramatical Murder]](/_next/image?url=https%3A%2F%2Fimage.tmdb.org%2Ft%2Fp%2Fw300%2F9b3D6L42yQWrKrludIUhl0H3FaZ.jpg&w=1920&q=65)
Brain Crash Theatre [Dramatical Murder]
2019
as Aoba Seragaki

Mob Psycho 100 (Crash! Claw's 7th Branch)
2022
as Shou Suzuki

Kakegurui Stage
2025
as Ryota Suzui

Musical Touken Ranbu: Gou on Stage Zepp Tour Reboot
2025
as Murakumo Gou

Musical Touken Ranbu - Medetaya Uta no Homare Hananomai - 10th anniversary
2025
as Murakumo Gou

Psychic Detective Yakumo: Bias of Thought
2023
as Yaguchi

Touken Ranbu: The Musical - Gou on Stage Zepp Tour Reboot
2025
as Murakumo Gou

Anaden vol.2 "Nosferatu in the Mist - The Legend of Dracula"
2021
as Dracula/Vlad III

Musical Touken Ranbu: Gou on Stage ~New Satomi Hakkenden~
2023
as Murakumo Gou

Nanashi: Seventh Special Cause of Death Department: The Stage
2023
as Tsuyobi

Musical Touken Ranbu: Gou on Stage Countdown Party
2025
as Murakumo Gou
About Seiichiro Nagata
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. With 31 credits spanning from 1971 to 2025, Seiichiro Nagata has appeared in 24 films and 7 TV shows.
Fans searching for Seiichiro Nagata movies, Seiichiro Nagata filmography, or the latest projects starring Seiichiro Nagata can stream many of these titles on Bowood.TV, free and in HD, with no subscription required.
Most Popular Seiichiro Nagata Movies
- Kamen Rider Gotchard: The Future Daybreak (2024) — as Ho-Oh Kaguya Quartz / Kamen Rider Legend
- Kamen Rider Gotchard Final Episode: You and Me, We've Got CHEMY×STORY - Director's Cut Version (2024) — as Ho-Oh Kaguya Quartz / Kamen Rider Legend
- Musical The Prince Of Tennis Concert: Dream Live 2018 (2018) — as Kikumaru Eiji
- No. 1 Sentai Gozyuger Anniversary Discussion (2025) — as Kamen Rider Legend (voice)
- Musical Touken Ranbu: Tokyo Kokoro Oboe (2021) — as Murakumo Gou
Where to Watch Seiichiro Nagata Films
Most Seiichiro Nagata movies and series are available to stream on Bowood.TV in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Seiichiro Nagata, check our movies catalogue and browse page.