Kotaro Koizumi
ActingTotal Credits
87
Acting
86
First Credit
2001
Latest Credit
2026
Pokémon Horizons
Homeroom Teacher (voice)
2023
Chef: Three Star School Lunch
Shogo Shinoda
2016
Gokusen
Seiichi Natsume
2002
Shitamachi Rocket
Actor
2015
Black Pean
Gonta Takashina
2018
You're Not Normal, Either!
Isao Miyamoto
2021
Bayside Shakedown 2
Shigeru Koike
2003
Bayside Shakedown the Final: The New Hope
Shigeru Koike
2012
Bayside Shakedown 3: Set the Guys Loose
Shigeru Koike
2010
Ningen Kansatsu Variety MONITORING
Actor
2012
Keiji Yoshinaga Seiichi Namida no Jikenbo
Actor
2013
The Royal Family
Yutaro Sanno
2025
Fixer
Koji Itakura
2023
The Wall of the Eye
Tatsuo Hagizaki
2022
Enzaihan
Actor
2021
Yoshitsune
Taira no Sukemori
2005
The Unbroken
Actor
2016
Worst to First: A Teen Baseball Miracle
Niwa Shingo
2023
HUNTER - Women After Reward Money
Goro Terashima
2011
Nameless Poison
Saburo Sugimura
2013
Midnight Ferris Wheel
Maa-kun / Kojima Masaomi
2013
Attention Please
Shuusuke Tsutsumi
2006
The Good Wife
Masahiro Tada
2019
Shi no Zōki
Kyota Numazaki
2015
Negotiator
Koike
2005
The Pride of the Temp
Kensuke Satonaka
2007
Akira and Akira
Actor
2017
Princess of the Frog
Tetsuro Isaka
2012
Love Call Center
Tokura Wataru
2009
Stand Up Start
Taiga Mihoshi
2023
Age Harassment
Akihiko Hoshina
2015
Slow Dance
Yuta Yajima
2005
Otasukeya Jinpachi
Iguchi Tatsuya
2013
The Real Culprit
Actor
2018
The Hound of the Baskervilles: Sherlock the Movie
Haruto Sutei
2022
Petero no Soretsu
Saburo Sugimura
2014
One in a hundred thousand
Tsukamoto
2012
Ano Hi Bokura no Inochi wa Toiretto Pepa yori mo Karukatta
Kenichi Asakura
2008
家庭教師が解く！～殺人方程式の推理ドリル～
Actor
2013
Keishicho Zero Gakari
Kobayakawa Fuyuhi
2016
Cinderella Formula
Igarashi Toru
2016
Home & Away
Actor
2001
Rude to Love
Actor
2024
Hanayome to Papa
Actor
2007
Mothers in Love
Saiki Takumi
2020
Nurseman
Actor
2002
Secret Relationship: The teacher is my housemate
Kobayashi Naoki
2011
Black Postman
Shin Mizuno
2023
Platonic
Kazuhisa Mochizuki
2014
Kamen Rider Hibiki The Movie: Hibiki & The Seven War Oni
Takeshi
2005
Dr. Hisayoshi Suma
秋山浩平
2010
Missing Persons Investigation Unit: The Missing Truth
Shinpei Sasazuka
2025
Gachi Baka!
Genki Watanabe
2006
Will The Luxury Of Love Ever Fall My Way?
Iida Takeshi
2012
TV悪党～重犯罪捜査班
Keiichiro Satonaka（里中 啓一郎）
2011
TVYou are my only Madonna
Takashi Nakano
2003
TVTime of Distrust ~ Women's Wars
Kei Kondo
2006
TVGakeppuchi no Eri - Kono yo de ichiban daiji na 'Kane' no hanashi
Masamune Hiraizumi
2010
TVWagaya no Mondai
[Husband]
2018
TVBad Dad
丸山洋介
2007