Kotaro Koizumi
Acting
Biography
No overview available.
Known For
Acting History
2025
Missing Persons Investigation Unit: The Missing Truth
TVas Shinpei Sasazuka
2023
Stand Up Start
TVas Taiga Mihoshi
Worst to First: A Teen Baseball Miracle
TVas Niwa Shingo
Pokémon Horizons
TVas Homeroom Teacher (voice)
Fixer
TVas Koji Itakura
Black Postman
TVas Shin Mizuno
2022
The Hound of the Baskervilles: Sherlock the Movie
as Haruto Sutei
The Wall of the Eye
TVas Tatsuo Hagizaki
POP UP!
TVas Monday
2021
You're Not Normal, Either!
as Isao Miyamoto
2020
Mothers in Love
TVas Saiki Takumi
2019
2018
2017
Family Court Investigator Akira Yamanobou 2
as Akira Yamanobo
2016
Family Court Probation Officer, Akira Yamanobo
as Akira Yamanobo
Crime Mystery by Kosaku Asahina: Tragedy of Hanasaki Village
as Kosaku Asahina
Keishicho Zero Gakari
TVas Kobayakawa Fuyuhi
Chef: Three Star School Lunch
TVas Shogo Shinoda
Cinderella Formula
TVas Igarashi Toru
2015
2014
2013
Nameless Poison [aka Namonaki Doku]
as Saburo Sugimura
Midnight Ferris Wheel
TVas Maa-kun / Kojima Masaomi
Nameless Poison
TVas Saburo Sugimura
Otasukeya Jinpachi
TVas Iguchi Tatsuya
2012
One in a hundred thousand
as Tsukamoto
Bayside Shakedown the Final: The New Hope
as Shigeru Koike
Princess of the Frog
TVas Tetsuro Isaka
Will The Luxury Of Love Ever Fall My Way?
TVas Iida Takeshi
2011
HUNTER - Women After Reward Money
TVas Goro Terashima
悪党 重犯罪捜査班
TVas Keiichiro Satonaka（里中 啓一郎）
Secret Relationship: The teacher is my housemate
TVas Kobayashi Naoki
2010
Dr. Hisayoshi Suma
as 秋山浩平
Bayside Shakedown 3: Set the Guys Loose
as Shigeru Koike
Gakeppuchi no Eri - Kono yo de ichiban daiji na 'Kane' no hanashi
TVas Masamune Hiraizumi
Goodbye Alma
TVas Sgt Seiji Ogata
2009
Love Call Center
TVas Tokura Wataru
2008
Ano Hi Bokura no Inochi wa Toiretto Pepa yori mo Karukatta
as Kenichi Asakura
2007
2006
Seicho Matsumoto Drama Special: Wave Tower
as Onogi Takao
Gachi Baka!
TVas Genki Watanabe
Time of Distrust ~ Women's Wars
TVas Kei Kondo
Attention Please
TVas Shuusuke Tsutsumi
2005
2004
2003
Bayside Shakedown 2
as Shigeru Koike
You are my only Madonna
TVas Takashi Nakano
2001