Kotaro Koizumi

Known For

Pokémon Horizons

Homeroom Teacher (voice)

Black Pean

Gonta Takashina

Ningen Kansatsu Variety MONITORING

Yoshitsune

Taira no Sukemori

Shitamachi Rocket

Haken no Hinkaku

Kensuke Satonaka

Attention Please

Shuusuke Tsutsumi

Fixer

Koji Itakura

Filmography

Year	Movie	Role
2024	Hare no Hi Cinderella Wedding Dress wo Nihon e! Aru Josei no Chosen	Yuki Yoshito
2024	Rude to Love
2023	氷室想介の事件簿２～ベストセラー⼩説に隠された殺⼈事件の謎～
2023	Oshorin
2022	氷室想介の事件簿～超高層ビル密室殺人の謎～
2022	The Hound of the Baskervilles: Sherlock the Movie	Haruto Sutei
2022	Mokuhihan
2021	You're Not Normal, Either!	Isao Miyamoto
2017	Family Court Investigator Akira Yamanobou 2	Akira Yamanobo
2016	Crime Mystery by Kosaku Asahina: Tragedy of Hanasaki Village	Kosaku Asahina
2016	Family Court Probation Officer, Akira Yamanobo	Akira Yamanobo
2013	Nameless Poison [aka Namonaki Doku]	Saburo Sugimura
2013	Samurai Pirates
2013	家庭教師が解く！～殺人方程式の推理ドリル～
2012	Bayside Shakedown the Final: The New Hope	Shigeru Koike
2012	One in a hundred thousand	Tsukamoto
2010	Bayside Shakedown 3: Set the Guys Loose	Shigeru Koike
2010	Dr. Hisayoshi Suma	秋山浩平
2008	Ano Hi Bokura no Inochi wa Toiretto Pepa yori mo Karukatta	Kenichi Asakura
2006	Seicho Matsumoto Drama Special: Wave Tower	Onogi Takao
2005	Negotiator	Koike
2005	Kamen Rider Hibiki The Movie: Hibiki & The Seven War Oni	Takeshi
2003	Bayside Shakedown 2	Shigeru Koike

Year	TV Show	Role
2025	Missing Persons Investigation Unit: The Missing Truth	Shinpei Sasazuka
2023	Pokémon Horizons	Homeroom Teacher (voice)
2023	Fixer	Koji Itakura
2023	Black Postman	Shin Mizuno
2023	Worst to First: A Teen Baseball Miracle	Niwa Shingo
2023	Stand Up Start	Taiga Mihoshi
2022	The Wall of the Eye	Tatsuo Hagizaki
2022	POP UP!	Monday
2021	Enzaihan
2020	Byouin no Naoshikata ~Doctor Arihara no Chousen~
2020	Mothers in Love	Saiki Takumi
2019	비밀관계 ~선생님은 동거인~
2019	The Good Wife	Masahiro Tada
2019	Koizumi Kōtarō and Muro Tsuyoshi Jiyū Kimamani Futaritabi
2018	Black Pean	Gonta Takashina
2018	The Real Culprit
2018	Wagaya no Mondai	[Husband]
2017	Akira and Akira
2016	The Unbroken
2016	Chef: Three Star School Lunch	Shogo Shinoda
2016	Cinderella Formula	Igarashi Toru
2016	Keishicho Zero Gakari	Kobayakawa Fuyuhi
2015	Shi no Zōki	Kyota Numazaki
2015	Age Harassment	Akihiko Hoshina
2015	Shitamachi Rocket
2014	Petero no Soretsu	Saburo Sugimura
2014	Platonic	Kazuhisa Mochizuki
2014	Owakon TV	Keisuke Mihashi
2014	Funeral Parade of St.Peter
2013	Otasukeya Jinpachi	Iguchi Tatsuya
2013	魔性の群像刑事・森崎慎平
2013	Nameless Poison	Saburo Sugimura
2013	Keiji Yoshinaga Seiichi Namida no Jikenbo
2013	Midnight Ferris Wheel	Maa-kun / Kojima Masaomi
2012	Will The Luxury Of Love Ever Fall My Way?	Iida Takeshi
2012	小京都連続殺人事件
2012	Princess of the Frog	Tetsuro Isaka
2012	Ningen Kansatsu Variety MONITORING
2011	Secret Relationship: The teacher is my housemate	Kobayashi Naoki
2011	HUNTER - Women After Reward Money	Goro Terashima
2011	松本清張サスペンス (テレビ東京)
2011	悪党重犯罪捜査班	Keiichiro Satonaka（里中啓一郎）
2010	Goodbye Alma	Sgt Seiji Ogata
2010	Gakeppuchi no Eri - Kono yo de ichiban daiji na 'Kane' no hanashi	Masamune Hiraizumi
2009	Love Call Center	Tokura Wataru
2007	Hanayome to Papa
2007	Haken no Hinkaku	Kensuke Satonaka
2007	オトコの子育て	丸山洋介
2006	Gachi Baka!	Genki Watanabe
2006	Time of Distrust ~ Women's Wars	Kei Kondo
2006	Attention Please	Shuusuke Tsutsumi
2006	松本清張ドラマスペシャル波の塔(2006年版)
2005	Yoshitsune	Taira no Sukemori
2005	Slow Dance	Yuta Yajima
2004	Objection!
2003	You are my only Madonna	Takashi Nakano
2002	狂った果実2002
2002	Nurseman
2001	Home & Away