Kotaro Koizumi

Full filmography

• Psychotherapist Himuro Sosuke no Jikenbo 3 (2026)
• Missing Persons Investigation Unit: The Missing Truth (2025) as Shinpei Sasazuka
• Golden SixTONES (2025)
• The Royal Family (2025) as Yutaro Sanno
• Rude to Love (2024)
• Super Children's Day ~ To you who live until Year 2100 ~ (2024) Creator
• Hare no Hi Cinderella Wedding Dress wo Nihon e! Aru Josei no Chosen (2024) as Yuki Yoshito
• Pokémon Horizons (2023) as Homeroom Teacher (voice)
• Worst to First: A Teen Baseball Miracle (2023) as Niwa Shingo
• Fixer (2023) as Koji Itakura
• Stand Up Start (2023) as Taiga Mihoshi
• Black Postman (2023) as Shin Mizuno
• Oshorin (2023)
• Psychotherapist Himuro Sosuke no Jikenbo 2 (2023)
• The Wall of the Eye (2022) as Tatsuo Hagizaki
• The Hound of the Baskervilles: Sherlock the Movie (2022) as Haruto Sutei
• POP UP! (2022) as Monday
• Mokuhihan (2022)
• Psychotherapist Himuro Sosuke no Jikenbo 1 (2022)
• Enzaihan (2021)
• You're Not Normal, Either! (2021) as Isao Miyamoto
• What's So Wrong with "Azatoi"? (2020)
• Mothers in Love (2020) as Saiki Takumi
• Byouin no Naoshikata ~Doctor Arihara no Chousen~ (2020)
• The Good Wife (2019) as Masahiro Tada
• Koizumi Kōtarō and Muro Tsuyoshi Jiyū Kimamani Futaritabi (2019)
• 비밀관계 ~선생님은 동거인~ (2019)
• Black Pean (2018) as Gonta Takashina
• Wagaya no Mondai (2018) as [Husband]
• The Real Culprit (2018)
• Akira and Akira (2017)
• Family Court Investigator Akira Yamanobou 2 (2017) as Akira Yamanobo
• The Unbroken (2016)
• Keishicho Zero Gakari (2016) as Kobayakawa Fuyuhi
• Chef: Three Star School Lunch (2016) as Shogo Shinoda
• Cinderella Formula (2016) as Igarashi Toru
• Crime Mystery by Kosaku Asahina: Tragedy of Hanasaki Village (2016) as Kosaku Asahina
• Family Court Probation Officer, Akira Yamanobo (2016) as Akira Yamanobo
• Shitamachi Rocket (2015)
• Age Harassment (2015) as Akihiko Hoshina
• Shi no Zōki (2015) as Kyota Numazaki
• Platonic (2014) as Kazuhisa Mochizuki
• Funeral Parade of St.Peter (2014)
• Petero no Soretsu (2014) as Saburo Sugimura
• Owakon TV (2014) as Keisuke Mihashi
• 家庭教師が解く！～殺人方程式の推理ドリル～ (2013)
• Nameless Poison (2013) as Saburo Sugimura
• Nameless Poison [aka Namonaki Doku] (2013) as Saburo Sugimura
• Midnight Ferris Wheel (2013) as Maa-kun / Kojima Masaomi
• Otasukeya Jinpachi (2013) as Iguchi Tatsuya
• Keiji Yoshinaga Seiichi Namida no Jikenbo (2013)
• 魔性の群像 刑事・森崎慎平 (2013)
• Samurai Pirates (2013)
• Ningen Kansatsu Variety MONITORING (2012)
• Bayside Shakedown the Final: The New Hope (2012) as Shigeru Koike
• Princess of the Frog (2012) as Tetsuro Isaka
• 小京都連続殺人事件 (2012)
• Will The Luxury Of Love Ever Fall My Way? (2012) as Iida Takeshi
• One in a hundred thousand (2012) as Tsukamoto
• HUNTER - Women After Reward Money (2011) as Goro Terashima
• Secret Relationship: The teacher is my housemate (2011) as Kobayashi Naoki
• 悪党～重犯罪捜査班 (2011) as Keiichiro Satonaka（里中 啓一郎）
• 松本清張サスペンス (テレビ東京) (2011)
• Bayside Shakedown 3: Set the Guys Loose (2010) as Shigeru Koike
• Goodbye Alma (2010) as Sgt Seiji Ogata
• Gakeppuchi no Eri - Kono yo de ichiban daiji na 'Kane' no hanashi (2010) as Masamune Hiraizumi
• Dr. Hisayoshi Suma (2010) as 秋山浩平
• Love Call Center (2009) as Tokura Wataru
• Ano Hi Bokura no Inochi wa Toiretto Pepa yori mo Karukatta (2008) as Kenichi Asakura
• The Pride of the Temp (2007) as Kensuke Satonaka
• Hanayome to Papa (2007)
• Bad Dad (2007) as 丸山洋介
• Attention Please (2006) as Shuusuke Tsutsumi
• Gachi Baka! (2006) as Genki Watanabe
• Time of Distrust ~ Women's Wars (2006) as Kei Kondo
• 松本清張ドラマスペシャル 波の塔(2006年版) (2006)
• Seicho Matsumoto Drama Special: Wave Tower (2006) as Onogi Takao
• Yoshitsune (2005) as Taira no Sukemori
• Slow Dance (2005) as Yuta Yajima
• Kamen Rider Hibiki The Movie: Hibiki & The Seven War Oni (2005) as Takeshi
• Negotiator (2005) as Koike
• Objection! (2004)
• You are my only Madonna (2003) as Takashi Nakano
• Bayside Shakedown 2 (2003) as Shigeru Koike
• Gokusen (2002) as Seiichi Natsume
• Nurseman (2002)
• 狂った果実2002 (2002)
• Home & Away (2001)