Seiji Kinoshita Japanese Actor Biography and Career

Seiji Kinoshita (木下政治) is a Japanese television and film actor. Born in Kyoto, Japan, on October 26, 1970, he holds blood type A and has established a prominent career playing supporting roles across various major Japanese television networks.

Seiji Kinoshita portrait photograph — Seiji Kinoshita

Television Career

Kinoshita has maintained an active acting presence in Japanese television dramas (doramas) spanning multiple decades, frequently collaborating with networks such as Fuji TV, TV Asahi, TBS, and NHK. His notable recurring and episodic credits range from legal and procedural dramas to contemporary series.

Selected Television Credits

Sins of Kujo (Netflix / 2026) – prosecutor (ep. 1)
Problem Room (Fuji TV / 2025) – Tadashi Shinozaki (ep. 8, 11)
Japan's Number One Jerk Salaryman (Fuji TV / 2025) – Shoda (ep. 1)
Aibou: Season 21 (TV Asahi / 2022–2023) – Hidehisa Kudo (ep. 12)
Elpis (Fuji TV-KTV / 2022) – Masahiro Takeda (ep. 6)
Tokusou Nine: Season 4 (TV Asahi / 2021) – Takehisa Koga (ep. 12)
K2: Dodgy Badge Brothers (TBS / 2020) – Yuji Murata (ep. 6)
Nagi's Long Vacation (TBS / 2019) – CEO Mangoku
Hero (Fuji TV / 2014) – Inoue (ep. 6)