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.

Cast

Musical Touken Ranbu: Memories of Tokyo

Labyrinth Opera: Pretty Boy Detective Club

Michiru Fukuroi

Psychic Detective Yakumo: Bias of Thought

Musical Touken Ranbu: Gou on Stage ~New Satomi Hakkenden~

Kamen Rider Gotchard: The Future Daybreak

Ho-Oh Kaguya Quartz / Kamen Rider Legend

Brain Crash Theatre [Dramatical Murder]

Kamen Rider Gotchard Final Episode: You and Me, We've Got CHEMY×STORY - Director's Cut Version

Ho-Oh Kaguya Quartz / Kamen Rider Legend

Musical Touken Ranbu: 9th Anniversary Festival

Mob Psycho 100 (Crash! Claw's 7th Branch)

No. 1 Sentai Gozyuger Anniversary Discussion

Kamen Rider Legend (voice)

Nanashi: Seventh Special Cause of Death Department: The Stage

Anaden vol.2 "Nosferatu in the Mist - The Legend of Dracula"

Dracula/Vlad III

Mob Psycho 100 ~Ura tai Ura ~

Labyrinth Opera: Pretty Boy Detective Club Continued

Michiru Fukuroi

Kamen Rider Gotchard: Final Stage

Ho-Oh Kaguya Quartz/Kamen Rider Legend

Musical The Prince Of Tennis Concert: Dream Live 2017

Musical The Prince Of Tennis Concert: Dream Live 2018

Musical Touken Ranbu ~Shinken Ranbu Sai 2022~

Musical Touken Ranbu: Gou on Stage Zepp Tour

Musical Touken Ranbu: Gou on Stage Zepp Tour Reboot

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

Kakegurui Stage

Musical Touken Ranbu - Medetaya Uta no Homare Hananomai - 10th anniversary