Seiji Rokkaku

is a Japanese actor from Hyōgo Prefecture. He was born in Himeji and raised in Takasago. Rokkaku is the vocalist of Rokkaku Seiji Band. He dropped out of Gakushuin University. He landed the lead role in AIBOU Series: Yonezawa Mamoru no Jikenbo spin-off film of AIBOU series. Partners: The Movie III (2014), Mamoru Yonezawa Samurai Hustle Returns (2016), Imamura Seizaemon Gintama (2017), Char Aznable Under the Open Sky (2021), Ryōsuke Matsumoto The Fable (2019), Bar master Wedding High (2022), Daizō Nitta What to Do with the Dead Kaiju? (2022), the Chief Cabinet Secretary Anime Supremacy! (2022), Seki Convenience Story (2022), Nagumo Baian the Assassin, M.D. (2023), Tamekichi Hey Handsome!! (2024), Takao's father Curling Dream (2024) Doctor-X: The Movie (2024), Akagawa Petals and Memories (2025), Kōichi Shigeta Samurai Hustle: Full Throttle (2027), Imamura Seizaemon

Television Carnation (2012) as Megumi Matsuda AIBOU: Tokyo Detective Duo (2000–2017) as Mamoru Yonezawa Mare (2015) as Anzai Hayato Naotora: The Lady Warlord (2017) as Honda Masanobu Half Blue Sky (2018) as Mitsuru Saionj Ochoyan (2020) as Katagane Heihachi 24 Japan (2020) as Banba Eiiji DCU: Deep Crime Unit (2022) as Hideki Tsukishima (ep. 4) Lost Man Found (2022) as Arita Elpis (2022) Gannibal (2022–25), Kiyoshi Gotō Kochira yobi jieieiyūho?! (NTV, 2026)

Culture program Rokkaku Seiji no Nomitetsu Honsen Nihontabi (2015–present)

Theatre

Les Miserables (2021, 2024-2025) as Thenardier