Seishiro Kato: Japanese Actor and Career Overview

Seishiro Kato (加藤 清史郎) is a Japanese actor born on August 4, 2001, in Kanagawa Prefecture, Japan. Active in both film and television, he has appeared in numerous productions since childhood, spanning major network television dramas, feature films, and voice acting roles.

Early Life and Background

Seishiro Kato was born on August 4, 2001, in Kanagawa Prefecture, Japan. He has a younger brother, Kenshiro Kato, who is also active in the entertainment industry. Kato belongs to blood type A.

Acting Career

Kato began his acting career at a young age, gradually building a substantial filmography across Japanese television and cinema. Some of his notable early appearances include roles in NHK historical dramas such as Samurai Banners (2007) and Tenchijin (2009).

As he transitioned into teenage and adult roles, Kato secured prominent parts in film adaptations and television series. In cinema, he is well-known for portraying Itona Horibe in the live-action film adaptations Assassination Classroom (2015) and Assassination Classroom: Graduation (2016). His other cinematic credits include Ninja Kids!!! (2011), The Sun Does Not Move (2021), and the live-action adaptation of Cells at Work (2024) as Arata Takeda.

On television, Kato has appeared in major broadcast networks across Japan. Notable television drama credits include Dragon Sakura Season 2 (TBS, 2021), Guardian of the Market (Fuji TV, 2022), The Greatest Teacher (NTV, 2023), and Attorney Sodom (TV Tokyo, 2023).