Seishirou Katou
Actor
25 years (Aug 4, 2001)Kanagawa, Japan
On screen, Seishirou Katou is a Japanese actor with a public record that stays short. He is credited in 'Assassination Classroom: Graduation'. Action is the recurring genre in the filmography. The databases list 30 credits in total. His work in 'Assassination Classroom' as Itona is the entry that stands out.
Seishirou Katou
Actor
On screen, Seishirou Katou is a Japanese actor with a public record that stays short. He is credited in 'Assassination Classroom: Graduation'. Action is the recurring genre in the filmography. The databases list 30 credits in total. His work in 'Assassination Classroom' as Itona is the entry that stands out.
Movies: 15 titles
Plays Arata Takeda
Cells at Work!
2024
Plays Young Naki (voice)
Friends: Naki on Monster Island
2011
Plays Itona
Assassination Classroom
2015
Plays Itona Horibe
Assassination Classroom: Graduation
2016
Plays Yuusuke Kijinami (voice)
Twilight
2019
Plays Light Yagami
Death Note: The Musical
2026
Plays Umasou (voice)
Heart and Yummie
2010
Plays Takao Ogawa (1992)
Shining Boy & Little Randy
2005
Plays Goro
Zatoichi: The Last
2010
Plays Makoto Taiga
For Love's Sake
2012
Plays Rantaro
Ninja Kids!!!
2011
Plays Yuji Yanagi
The Sun Stands Still
2021
Plays Masao Kiyota
#HandballStrive
2020
Plays Nintaro
Ninja Kids!!! Summer Mission Impossible
2013
TV Shows: 15 titles
Plays Kota Mitsui
Spinnerbait
2026
Plays Kosuke Rokkaku
Guardian of the Market
2022
Plays Kotaro Sakabe
Before the Day
2026
Plays Hiroshi Ibuki
Hoso Kyoku Senkyo
2025
Plays Yuya Kishida
MOCOMI
2021
Plays Sagara Rui
The Greatest Teacher
2023
Plays Nakahara Takeru
The Wallflower
2010
Plays Kouichirou Amano
Dragon Sakura
2005
Plays Saigo Sanada
Odd Family 11
2011
Plays Sosuke Nakano
Isn't It a Bad Guy?
2022
Plays Kai Yakumo
Lawyer Sodom
2023
Plays Gen Shogo
Kenzo Kitakata: SUIKODEN
2026
Plays Kenta Kawakami
Goodbye Alma
2010
Plays Toya
Moribito: Guardian of the Spirit
2016
Plays Minoru Yame
The History of Our Family
2010
Latest Trailers
Watch Trailer
Cells at Work!
Full Filmography
Spinnerbait
Kota Mitsui · 11 episodes
2026–
Before the Day
Kotaro Sakabe · 10 episodes
2026–
Death Note: The Musical
Light Yagami
2026
Kenzo Kitakata: SUIKODEN
Gen Shogo · 7 episodes
2026–
Hoso Kyoku Senkyo
Hiroshi Ibuki · 10 episodes
2025–
Cells at Work!
Arata Takeda
2024
舞台「未来少年コナン」
コナン
2024
The Greatest Teacher
Sagara Rui
2023Season 1
Lawyer Sodom
Kai Yakumo · 7 episodes
2023–
Photos
Frequently Asked Questions
How old is Seishirou Katou and where are they from?
Seishirou Katou is 25 years old, born on August 4, 2001 in Kanagawa, Japan.
What are the most famous roles of Seishirou Katou?
Seishirou Katou is best known for roles in Assassination Classroom, Assassination Classroom: Graduation, Heart and Yummie.
How many movies has Seishirou Katou been in?
Over a 21-year career (since 2005), Seishirou Katou has appeared in 15 movies and 15 TV shows.
What was Seishirou Katou's first movie?
The career of Seishirou Katou began with Shining Boy & Little Randy (2005).
What is Seishirou Katou's most recent movie or series?
Seishirou Katou's most recent release is The Employee, which premiered on October 13, 2026.
What TV shows has Seishirou Katou appeared in?
On television, Seishirou Katou has appeared in Dragon Sakura, The Greatest Teacher, Odd Family 11, Moribito: Guardian of the Spirit.
Seishirou Katou
2001-08-04 · Kanagawa, Japan
Seishirou Katou is a Japanese child actor. He debuted when he was 13 months old.