Seishirou Katou

Acting

Seishirou Katou

Born August 4, 2001Kanagawa, Japan42 credits

Seishirou Katou is a Japanese child actor. He debuted when he was 13 months old.

Known For

Before the Day

Before the Day

TV

2026

Death Note: The Musical

Death Note: The Musical

Movie

2026

Suikoden
7.3

Suikoden

TV

2026

Hoso Kyoku Senkyo
6.0

Hoso Kyoku Senkyo

TV

2025

Cells at Work!
7.8

Cells at Work!

Movie

2024

舞台「未来少年コナン」

舞台「未来少年コナン」

Movie

2024

Filmography

Before the Day
2026Before the Dayas Kotaro SakabeTV
Death Note: The Musical
2026Death Note: The Musicalas Light YagamiMovie
Suikoden
2026Suikodenas Gen ShogoTV
Hoso Kyoku Senkyo
2025Hoso Kyoku Senkyoas Hiroshi IbukiTV
Cells at Work!
2024Cells at Work!as Arata TakedaMovie
舞台「未来少年コナン」
2024舞台「未来少年コナン」as コナンMovie
The Greatest Teacher
2023The Greatest Teacheras Sagara RuiTV
Lawyer Sodom
2023Lawyer Sodomas Kai YakumoTV
Fujiko F. Fujio Sci-Fi Short Drama
2023Fujiko F. Fujio Sci-Fi Short DramaTV
Guardian of the Market
2022Guardian of the Marketas Kosuke RokkakuTV
ミュージカル「るろうに剣心　京都編」
2022ミュージカル「るろうに剣心　京都編」Movie
I Fell in Love with Your Footsteps
2022I Fell in Love with Your FootstepsMovie
Isn't It a Bad Guy?
2022Isn't It a Bad Guy?as Sosuke NakanoTV
The Sun Stands Still
2021The Sun Stands Stillas Yuji YanagiMovie
MOCOMI
2021MOCOMITV
#HandballStrive
2020#HandballStriveas Masao KiyotaMovie
Twilight
2019Twilightas Yuusuke Kijinami (voice)Movie
KUHANA!
2016KUHANA!Movie
Bōkyō
2016Bōkyōas (segment "Umi no hoshi")Movie
OUR HOUSE
2016OUR HOUSETV
Assassination Classroom: Graduation
2016Assassination Classroom: Graduationas Itona HoribeMovie
Moribito: Guardian of the Spirit
2016Moribito: Guardian of the Spiritas ToyaTV
Assassination Classroom
2015Assassination Classroomas ItonaMovie
A Far Promise
2014A Far PromiseMovie
Ninja Kids!!! Summer Mission Impossible
2013Ninja Kids!!! Summer Mission Impossibleas NintaroMovie
再会
2012再会Movie
For Love's Sake
2012For Love's Sakeas Makoto TaigaMovie
Friends: Naki on Monster Island
2011Friends: Naki on Monster Islandas Young Naki (voice)Movie
Odd Family 11
2011Odd Family 11as Saigo SanadaTV
Ninja Kids!!!
2011Ninja Kids!!!as RantaroMovie
Goodbye Alma
2010Goodbye Almaas Kenta KawakamiTV
Sakurada Gate Incident
2010Sakurada Gate IncidentMovie
Heart and Yummie
2010Heart and Yummieas Umasou (voice)Movie
Tatsuya Miyanishi Theatre: Heart and Yummie
2010Tatsuya Miyanishi Theatre: Heart and YummieTV
Zatoichi: The Last
2010Zatoichi: The Lastas GoroMovie
The History of Our Family
2010The History of Our Familyas Minoru YameTV
The Wallflower
2010The Wallfloweras Nakahara TakeruTV
Tales of Terror: Gi
2008Tales of Terror: GiMovie
Happy Feet
2006Happy Feetas Baby Mumble (voice)Movie
Shining Boy and Little Randy
2005Shining Boy and Little Randyas Takao OgawaMovie
Dragon Sakura
2005Dragon Sakuraas Kouichirou AmanoTV
H
—Honto ni Atta Kowai Hanashi 2009 10th Anniversaryas {Segment 1} The BoyTV