Seiji Rokkaku

Seiji Rokkaku (六角 精児, Rokkaku Seiji; born June 24, 1962) is a Japanese actor from Hyōgo Prefecture.^[1][2][3] He was born in Himeji and raised in Takasago.^[4] Rokkaku is the vocalist of Rokkaku Seiji Band.^[5] He dropped out of Gakushuin University.^[2]

Seiji Rokkaku
六角 精児
Born	(1962-06-24) June 24, 1962 (age 63) Himeji, Hyōgo Prefecture, Japan
Occupation	Actor
Years active	1990–present
Agent	Gekidan Tobiraza
Website	tobiraza.co.jp/actors/rokkaku-seiji

Rokkaku became famous in Japan for his role as Mamoru Yonezawa in Aibou Series.^[6] He landed the lead role in AIBOU Series: Yonezawa Mamoru no Jikenbo spin-off film of AIBOU series.^[6]

Selected filmography

Film

• One Missed Call (2003)
• Hinokio (2005)
• Tokyo Tower: Mom and Me, and Sometimes Dad (2007) as Editor-in-chief
• AIBOU: The Movie (2008) as Mamoru Yonezawa
• AIBOU Series: Yonezawa Mamoru no Jikenbo (2009) as Mamoru Yonezawa
• AIBOU: The Movie II (2010) as Mamoru Yonezawa
• 13 Assassins (2010) as Otake Mosuke
• Leonie (2010) as Postman
• Gekkō no Kamen (2012) as Morinoya Kinta
• Samurai Hustle (2014) as Imamura Seizaemon
• Partners: The Movie III (2014) as Mamoru Yonezawa
• Samurai Hustle Returns (2016) as Imamura Seizaemon
• Gintama (2017) as Char Aznable
• Under the Open Sky (2021) as Ryōsuke Matsumoto^[7]
• The Fable (2019) as Bar master^[8]
• Wedding High (2022) as Daizō Nitta^[9]
• What to Do with the Dead Kaiju? (2022) as the Chief Cabinet Secretary^[10]
• Anime Supremacy! (2022) as Seki^[11]
• Convenience Story (2022), Nagumo^[12]
• Baian the Assassin, M.D. (2023) as Tamekichi^[13]
• Hey Handsome!! (2024) as Takao's father^[14]
• God of Curling (2024)^[15]
• Doctor-X: The Movie (2024) as Akagawa^[16]
• Petals and Memories (2025) as Kōichi Shigeta^[17]

Television

• Carnation (2012) as Megumi Matsuda^[18]
• AIBOU: Tokyo Detective Duo (2000–2017) as Mamoru Yonezawa
• Mare (2015) as Anzai Hayato
• Naotora: The Lady Warlord (2017) as Honda Masanobu^[19]
• 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)^[20]
• Lost Man Found (2022) as Arita^[21]
• Elpis (2022)^[22]
• Gannibal (2022–25), Kiyoshi Gotō^[23]

Culture program

• Rokkaku Seiji no Nomitetsu Honsen Nihontabi (2015–present)

Theatre

• Les Miserables (2021, 2024-2025) as Thenardier