Acting · b. 2001 · Kanagawa, Japan Seishirou Katou Biography Seishirou Katou is a Japanese child actor. He debuted when he was 13 months old. Acting Death Note: The Musical Light Yagami 2026 Cells at Work! Arata Takeda 2024 舞台「未来少年コナン」 コナン 2024 ミュージカル「るろうに剣心 京都編」 2022 I Fell in Love with Your Footsteps 2022 The Sun Stands Still Yuji Yanagi 2021 #HandballStrive Masao Kiyota 2020 Twilight Yuusuke Kijinami (voice) 2019 Assassination Classroom: Graduation Itona Horibe 2016 Bōkyō (segment "Umi no hoshi") 2016 KUHANA! 2016 Assassination Classroom Itona 2015 A Far Promise 2014 Ninja Kids!!! Summer Mission Impossible Nintaro 2013 再会 2012 For Love's Sake Makoto Taiga 2012 Ninja Kids!!! Rantaro 2011 Friends: Naki on Monster Island Young Naki (voice) 2011 Sakurada Gate Incident 2010 Heart and Yummie Umasou (voice) 2010 Zatoichi: The Last Goro 2010 Tales of Terror: Gi 2008 Happy Feet Baby Mumble (voice) 2006 Shining Boy and Little Randy Takao Ogawa 2005 Agent-readable