Person
Kotaro Koizumi
Acting · Born 1978-07-10 · Kanagawa, Japan
Known for
Pokémon Horizons
Homeroom Teacher (voice)
Gokusen
Seiichi Natsume
What's So Wrong with "Azatoi"?
2020
Ningen Kansatsu Variety MONITORING
2012
Golden SixTONES
2025
Yoshitsune
Taira no Sukemori
The Pride of the Temp
Kensuke Satonaka
Black Pean
Gonta Takashina
Shitamachi Rocket
2015
家庭教師が解く！～殺人方程式の推理ドリル～
2013
Filmography
- 2026Psychotherapist Himuro Sosuke no Jikenbo 3
- 2025The Royal FamilyYutaro Sanno
- 2025Missing Persons Investigation Unit: The Missing TruthShinpei Sasazuka
- 2025Golden SixTONES
- 2024Rude to Love
- 2024Super Children's Day ~ To you who live until Year 2100 ~Creator
- 2024Hare no Hi Cinderella Wedding Dress wo Nihon e! Aru Josei no ChosenYuki Yoshito
- 2023Oshorin
- 2023Worst to First: A Teen Baseball MiracleNiwa Shingo
- 2023Psychotherapist Himuro Sosuke no Jikenbo 2
- 2023Black PostmanShin Mizuno
- 2023FixerKoji Itakura
- 2023Pokémon HorizonsHomeroom Teacher (voice)
- 2023Stand Up StartTaiga Mihoshi
- 2022Mokuhihan
- 2022The Wall of the EyeTatsuo Hagizaki
- 2022The Hound of the Baskervilles: Sherlock the MovieHaruto Sutei
- 2022POP UP!Monday
- 2022Psychotherapist Himuro Sosuke no Jikenbo 1
- 2021EnzaihanRyosuke Koyama
- 2021You're Not Normal, Either!Isao Miyamoto
- 2020Mothers in LoveSaiki Takumi
- 2020What's So Wrong with "Azatoi"?
- 2020Byouin no Naoshikata ~Doctor Arihara no Chousen~
- 2019Koizumi Kōtarō and Muro Tsuyoshi Jiyū Kimamani Futaritabi
- 2019비밀관계 ~선생님은 동거인~
- 2019The Good WifeMasahiro Tada
- 2018The Real Culprit
- 2018Black PeanGonta Takashina
- 2018Wagaya no Mondai[Husband]
- 2017Family Court Investigator Akira Yamanobou 2Akira Yamanobo
- 2017Akira and Akira
- 2016Chef: Three Star School LunchShogo Shinoda
- 2016Cinderella FormulaIgarashi Toru
- 2016Crime Mystery by Kosaku Asahina: Tragedy of Hanasaki VillageKosaku Asahina
- 2016The Unbroken
- 2016Family Court Probation Officer, Akira YamanoboAkira Yamanobo
- 2016Keishicho Zero GakariKobayakawa Fuyuhi
- 2015Shitamachi Rocket
- 2015Shi no ZōkiKyota Numazaki
- 2015Age HarassmentAkihiko Hoshina
- 2014Petero no SoretsuSaburo Sugimura
- 2014Funeral Parade of St.Peter
- 2014Owakon TVKeisuke Mihashi
- 2014PlatonicKazuhisa Mochizuki
- 2013Keiji Yoshinaga Seiichi Namida no Jikenbo
- 2013Nameless Poison [aka Namonaki Doku]Saburo Sugimura
- 2013Nameless PoisonSaburo Sugimura
- 2013魔性の群像 刑事・森崎慎平
- 2013Samurai Pirates
- 2013家庭教師が解く！～殺人方程式の推理ドリル～
- 2013Midnight Ferris WheelMaa-kun / Kojima Masaomi
- 2013Otasukeya JinpachiIguchi Tatsuya
- 2012One in a hundred thousandTsukamoto
- 2012Ningen Kansatsu Variety MONITORING
- 2012Bayside Shakedown the Final: The New HopeShigeru Koike
- 2012小京都連続殺人事件
- 2012Princess of the FrogTetsuro Isaka
- 2012Will The Luxury Of Love Ever Fall My Way?Iida Takeshi
- 2011松本清張サスペンス (テレビ東京)
- 2011HUNTER - Women After Reward MoneyGoro Terashima
- 2011Secret Relationship: The teacher is my housemateKobayashi Naoki
- 2011悪党～重犯罪捜査班Keiichiro Satonaka（里中 啓一郎）
- 2010Goodbye AlmaSgt Seiji Ogata
- 2010Dr. Hisayoshi Suma秋山浩平
- 2010Gakeppuchi no Eri - Kono yo de ichiban daiji na 'Kane' no hanashiMasamune Hiraizumi
- 2010Bayside Shakedown 3: Set the Guys LooseShigeru Koike
- 2009Love Call CenterTokura Wataru
- 2008Ano Hi Bokura no Inochi wa Toiretto Pepa yori mo KarukattaKenichi Asakura
- 2007Bad Dad丸山洋介
- 2007Hanayome to Papa
- 2007The Pride of the TempKensuke Satonaka
- 2006Seicho Matsumoto Drama Special: Wave TowerOnogi Takao
- 2006松本清張ドラマスペシャル 波の塔(2006年版)
- 2006Time of Distrust ~ Women's WarsKei Kondo
- 2006Attention PleaseShuusuke Tsutsumi
- 2006Gachi Baka!Genki Watanabe
- 2005Kamen Rider Hibiki The Movie: Hibiki & The Seven War OniTakeshi
- 2005Slow DanceYuta Yajima
- 2005NegotiatorKoike
- 2005YoshitsuneTaira no Sukemori
- 2004Objection!
- 2004異議あり！女弁護士大岡法江
- 2003Bayside Shakedown 2Shigeru Koike
- 2003You are my only MadonnaTakashi Nakano
- 2002狂った果実2002
- 2002GokusenSeiichi Natsume
- 2002Nurseman
- 2001Home & Away
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