Seishirō Katō

is a Japanese actor.

In 2002, he debuted when he was 13 months old. He became recognized after his breakthrough role as Higuchi Yoroku (childhood name of Naoe Kanetsugu, as well as Kanetsugu's first son, Takematsu) in Tenchijin the 2009 edition of NHK Taiga Drama. Currently, he is actively appearing in many TV dramas, films, and TV commercials. He will also release a music CD titled on September 2, 2009.

Filmography

Films (2005) (2009) Zatoichi (2010) You are Umasou (film) (2010) Ninja Kids!!! (2011) (Rantarō) Assassination Classroom: Graduation (2016) as Itona Horibe Hakubo (2019) as Yūsuke (voice) HandballStrive (2020) The Sun Stands Still (2021) as Yūji Yanagi We're Millennials. Got a Problem?: The Movie (2023) as Hirata Cells at Work! (2024) as Shin Takeda

Japanese dubbing of non-Japanese films Happy Feet - as Mumble (childhood) The Legend - as Ajik Where the Wild Things Are - as Max

TV dramas

Awaiting Kirin (2020), Prince Sanehito Captured Broadcasting Station (2025), Yuji Ibuki Water Margin (2026), Ruan Xiaowu

Theatre Les Misérables - Gavroche (2011-2013) Elisabeth - Young Rudolf (2012) Madama Butterfly - Dolore (2014) Love Never Dies - Gustave (2014) Kid Victory - Luke (2019) Newsies - Davey Jacobs (2020-2024) Be More Chill - Michael Mell (2022) Death Note: The Musical - Light Yagami (2025)