Kotaro Koizumi
Acting·July 10, 1978 — 48 years old·Kanagawa, Japan
Known For
Pokémon Horizons
2023·8.7
Gokusen
2002·8.0
You're Not Normal, Either!
2021·7.3
Bayside Shakedown 2
2003·6.2
Shitamachi Rocket
2015·7.9
Bayside Shakedown the Final: The New Hope
2012·5.8
Black Pean
2018·7.6
Chef: Three Star School Lunch
2016·8.2
Bayside Shakedown 3: Set the Guys Loose
2010·4.9
Worst to First: A Teen Baseball Miracle
2023·8.1
The Royal Family
2025·8.7
Fixer
2023·8.6
Filmography · 87
2026Psychotherapist Himuro Sosuke no Jikenbo 32025The Royal FamilyTVYutaro Sanno2025Missing Persons Investigation Unit: The Missing TruthTVShinpei Sasazuka2024Rude to Love2024Super Children's Day ~ To you who live until Year 2100 ~TVCreator2024Hare no Hi Cinderella Wedding Dress wo Nihon e! Aru Josei no ChosenYuki Yoshito2023Oshorin2023Worst to First: A Teen Baseball MiracleTVNiwa Shingo2023Psychotherapist Himuro Sosuke no Jikenbo 22023Black PostmanTVShin Mizuno2023FixerTVKoji Itakura2023Pokémon HorizonsTVHomeroom Teacher (voice)2023Stand Up StartTVTaiga Mihoshi2022Mokuhihan2022The Wall of the EyeTVTatsuo Hagizaki2022The Hound of the Baskervilles: Sherlock the MovieHaruto Sutei2022POP UP!TVMonday2022Psychotherapist Himuro Sosuke no Jikenbo 12021EnzaihanTV2021You're Not Normal, Either!Isao Miyamoto2020Mothers in LoveTVSaiki Takumi2020What's So Wrong with "Azatoi"?TV2020Byouin no Naoshikata ~Doctor Arihara no Chousen~TV2019Koizumi Kōtarō and Muro Tsuyoshi Jiyū Kimamani FutaritabiTV2019비밀관계 ~선생님은 동거인~TV2019The Good WifeTVMasahiro Tada2018The Real CulpritTV2018Black PeanTVGonta Takashina2018Wagaya no MondaiTV[Husband]2017Family Court Investigator Akira Yamanobou 2Akira Yamanobo2017Akira and AkiraTV2016Chef: Three Star School LunchTVShogo Shinoda2016Cinderella FormulaTVIgarashi Toru2016Crime Mystery by Kosaku Asahina: Tragedy of Hanasaki VillageKosaku Asahina2016The UnbrokenTV2016Family Court Probation Officer, Akira YamanoboAkira Yamanobo2016Keishicho Zero GakariTVKobayakawa Fuyuhi2015Shitamachi RocketTV2015Shi no ZōkiTVKyota Numazaki2015Age HarassmentTVAkihiko Hoshina2014Petero no SoretsuTVSaburo Sugimura2014Funeral Parade of St.PeterTV2014Owakon TVTVKeisuke Mihashi2014PlatonicTVKazuhisa Mochizuki2013Keiji Yoshinaga Seiichi Namida no JikenboTV2013Nameless Poison [aka Namonaki Doku]Saburo Sugimura2013Nameless PoisonTVSaburo Sugimura2013魔性の群像 刑事・森崎慎平TV2013Samurai Pirates2013家庭教師が解く！～殺人方程式の推理ドリル～2013Midnight Ferris WheelTVMaa-kun / Kojima Masaomi2013Otasukeya JinpachiTVIguchi Tatsuya2012One in a hundred thousandTsukamoto2012Ningen Kansatsu Variety MONITORINGTV2012Bayside Shakedown the Final: The New HopeShigeru Koike2012小京都連続殺人事件TV2012Princess of the FrogTVTetsuro Isaka2012Will The Luxury Of Love Ever Fall My Way?TVIida Takeshi2011松本清張サスペンス (テレビ東京)TV2011HUNTER - Women After Reward MoneyTVGoro Terashima2011Secret Relationship: The teacher is my housemateTVKobayashi Naoki2011悪党～重犯罪捜査班TVKeiichiro Satonaka（里中 啓一郎）2010Goodbye AlmaTVSgt Seiji Ogata2010Dr. Hisayoshi Suma秋山浩平2010Gakeppuchi no Eri - Kono yo de ichiban daiji na 'Kane' no hanashiTVMasamune Hiraizumi2010Bayside Shakedown 3: Set the Guys LooseShigeru Koike2009Love Call CenterTVTokura Wataru2008Ano Hi Bokura no Inochi wa Toiretto Pepa yori mo KarukattaKenichi Asakura2007Bad DadTV丸山洋介2007Hanayome to PapaTV2007The Pride of the TempTVKensuke Satonaka2006Seicho Matsumoto Drama Special: Wave TowerOnogi Takao2006松本清張ドラマスペシャル 波の塔(2006年版)TV2006Time of Distrust ~ Women's WarsTVKei Kondo2006Attention PleaseTVShuusuke Tsutsumi2006Gachi Baka!TVGenki Watanabe2005Kamen Rider Hibiki The Movie: Hibiki & The Seven War OniTakeshi2005Slow DanceTVYuta Yajima2005NegotiatorKoike2005YoshitsuneTVTaira no Sukemori2004Objection!TV2003Bayside Shakedown 2Shigeru Koike2003You are my only MadonnaTVTakashi Nakano2002狂った果実2002TV2002GokusenTVSeiichi Natsume2002NursemanTV2001Home & AwayTV