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Seishirou Katou, portrait 1 of 2

Person· Acting

Seishirou Katou

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Born: August 4, 2001
From: Kanagawa, Japan

Also known as

Seishirô Katô · Seishiro Kato · Seishirō Katō · かとうせいしろう

Biography

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

Known for

Heart and Yummie

Ninja Kids!!!

Assassination Classroom: Graduation

Ninja Kids!!! Summer Mission Impossible

Assassination Classroom

#HandballStrive

Friends: Naki on Monster Island

Filmography

32 displayed · 45 matching · 45 total

2026

The Employee

Acting 8 EP

Spinnerbait

Acting (Kota Mitsui) 11 EP

Before the Day

Acting (Kotaro Sakabe) 10 EP

Death Note: The Musical

Acting (Light Yagami)

Kenzo Kitakata: SUIKODEN

Acting (Gen Shogo) 7 EP

2025

Hoso Kyoku Senkyo

Acting (Hiroshi Ibuki) 10 EP

2024

Cells at Work!

Acting (Arata Takeda)

舞台「未来少年コナン」

Acting (コナン)

2023

Musical 「Lupin -The Secret of Countess Cagliostro-」

The Greatest Teacher

Acting (Sagara Rui) 10 EP

Lawyer Sodom

Acting (Kai Yakumo) 7 EP

Fujiko F. Fujio Sci-Fi Short Drama

Acting 1 EP

2022

Guardian of the Market

Acting (Kosuke Rokkaku) 11 EP

ミュージカル「るろうに剣心　京都編」

I Fell in Love with Your Footsteps

Isn't It a Bad Guy?

Acting (Sosuke Nakano) 8 EP

2021

The Sun Stands Still

Acting (Yuji Yanagi)

Acting (Yuya Kishida) 10 EP

2020

#HandballStrive

Acting (Masao Kiyota)

2019

Acting (Yuusuke Kijinami (voice))

2018

Chiko-chan ni Shikarareru!

Acting (Self) 1 EP

2016

Acting (segment "Umi no hoshi")

Acting 9 EP

Assassination Classroom: Graduation

Acting (Itona Horibe)

Moribito: Guardian of the Spirit

Acting (Toya) 4 EP

2015

Assassination Classroom

Acting (Itona)

2014

A Far Promise

2013

Ninja Kids!!! Summer Mission Impossible

Acting (Nintaro)

2012

For Love's Sake

Acting (Makoto Taiga)

2011

Friends: Naki on Monster Island

Acting (Young Naki (voice))