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Seishirou Katou

Seishirou Katou

Actor·Born August 4, 2001 (25)·Kanagawa, Japan

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

Cinova/People/Seishirou Katou

Known For

Heart and Yummie

Heart and Yummie6.9·2010 · as Umasou (voice)

Twilight

Twilight2019 · as Yuusuke Kijinami (voice)

Assassination Classroom: Graduation

Assassination Classroom: Graduation6.7·2016 · as Itona Horibe

Friends: Naki on Monster Island

Friends: Naki on Monster Island2011 · as Young Naki (voice)

Ninja Kids!!!

Ninja Kids!!!2011 · as Rantaro

Cells at Work!

Cells at Work!2024 · as Arata Takeda

Assassination Classroom

Assassination Classroom6.8·2015 · as Itona

#HandballStrive

#HandballStrive2020 · as Masao Kiyota

For Love's Sake

For Love's Sake2012 · as Makoto Taiga

Ninja Kids!!! Summer Mission Impossible

Ninja Kids!!! Summer Mission Impossible2013 · as Nintaro

Death Note: The Musical

Death Note: The Musical2026 · as Light Yagami

Zatoichi: The Last

Zatoichi: The Last2010 · as Goro

Highest Rated

Heart and Yummie

Heart and Yummie6.9·2010 · as Umasou (voice)

Assassination Classroom: Graduation

Assassination Classroom: Graduation6.7·2016 · as Itona Horibe

Assassination Classroom

Assassination Classroom6.8·2015 · as Itona

Movies

Death Note: The Musical

Death Note: The Musical2026 · as Light Yagami

Cells at Work!

Cells at Work!2024 · as Arata Takeda

舞台「未来少年コナン」

舞台「未来少年コナン」2024 · as コナン

Musical 「Lupin -The Secret of Countess Cagliostro-」

Musical 「Lupin -The Secret of Countess Cagliostro-」2023

I Fell in Love with Your Footsteps

I Fell in Love with Your Footsteps2022

ミュージカル「るろうに剣心　京都編」

ミュージカル「るろうに剣心　京都編」2022

The Sun Stands Still

The Sun Stands Still2021 · as Yuji Yanagi

#HandballStrive

#HandballStrive2020 · as Masao Kiyota

Twilight

Twilight2019 · as Yuusuke Kijinami (voice)

Assassination Classroom: Graduation

Assassination Classroom: Graduation6.7·2016 · as Itona Horibe

Bōkyō

Bōkyō2016 · as (segment "Umi no hoshi")

KUHANA!

KUHANA!2016

Assassination Classroom

Assassination Classroom6.8·2015 · as Itona

A Far Promise

A Far Promise2014

Ninja Kids!!! Summer Mission Impossible

Ninja Kids!!! Summer Mission Impossible2013 · as Nintaro

For Love's Sake

For Love's Sake2012 · as Makoto Taiga

Friends: Naki on Monster Island

Friends: Naki on Monster Island2011 · as Young Naki (voice)

Ninja Kids!!!

Ninja Kids!!!2011 · as Rantaro

Heart and Yummie

Heart and Yummie6.9·2010 · as Umasou (voice)

Zatoichi: The Last

Zatoichi: The Last2010 · as Goro

Sakurada Gate Incident

Sakurada Gate Incident2010

Tales of Terror: Gi

Tales of Terror: Gi2008

Shining Boy & Little Randy

Shining Boy & Little Randy2005 · as Takao Ogawa (1992)

TV Shows

Kenzo Kitakata: SUIKODEN

Kenzo Kitakata: SUIKODEN2026 · as Gen Shogo

Before the Day

Before the Day2026 · as Kotaro Sakabe

Spinnerbait

Spinnerbait2026 · as Kota Mitsui

Hoso Kyoku Senkyo

Hoso Kyoku Senkyo2025 · as Hiroshi Ibuki

The Greatest Teacher

The Greatest Teacher2023 · as Sagara Rui

Lawyer Sodom

Lawyer Sodom2023 · as Kai Yakumo

Fujiko F. Fujio Sci-Fi Short Drama

Fujiko F. Fujio Sci-Fi Short Drama2023

Guardian of the Market

Guardian of the Market2022 · as Kosuke Rokkaku

Isn't It a Bad Guy?

Isn't It a Bad Guy?2022 · as Sosuke Nakano

MOCOMI

Moribito: Guardian of the Spirit

Moribito: Guardian of the Spirit2016 · as Toya

OUR HOUSE

OUR HOUSE2016

Odd Family 11

Odd Family 112011 · as Saigo Sanada

The Wallflower

The Wallflower2010 · as Nakahara Takeru

Tatsuya Miyanishi Theatre: Heart and Yummie

Tatsuya Miyanishi Theatre: Heart and Yummie2010

The History of Our Family

The History of Our Family2010 · as Minoru Yame

Goodbye Alma

Goodbye Alma2010 · as Kenta Kawakami

Dragon Sakura

Dragon Sakura2005 · as Kouichirou Amano

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