Kotaro Koizumi

Credits

• 
  Missing Persons Investigation Unit: The Missing Truth 2025

  Shinpei Sasazuka

  ★ NR
• 
  Rude to Love 2024

  ★ 4
• 
  Hare no Hi Cinderella Wedding Dress wo Nihon e! Aru Josei no Chosen 2024

  Yuki Yoshito

  ★ NR
• 
  Oshorin 2023

  ★ NR
• 
  Worst to First: A Teen Baseball Miracle 2023

  Niwa Shingo

  ★ 8
• 
  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

  ★ NR
• 
  Black Postman 2023

  Shin Mizuno

  ★ 6
• 
  Fixer 2023

  Koji Itakura

  ★ 8.4
• 
  Pokémon Horizons 2023

  Homeroom Teacher (voice)

  ★ 9
• 
  Stand Up Start 2023

  Taiga Mihoshi

  ★ 7
• 
  Mokuhihan 2022

  ★ NR
• 
  The Wall of the Eye 2022

  Tatsuo Hagizaki

  ★ 9
• 
  The Hound of the Baskervilles: Sherlock the Movie 2022

  Haruto Sutei

  ★ 7
• 
  POP UP! 2022

  Monday

  ★ NR
• 
  氷室想介の事件簿～超高層ビル密室殺人の謎～ 2022

  ★ NR
• 
  Enzaihan 2021

  ★ 8.5
• 
  You're Not Normal, Either! 2021

  Isao Miyamoto

  ★ 7.5
• 
  Mothers in Love 2020

  Saiki Takumi

  ★ 6
• 
  Byouin no Naoshikata ~Doctor Arihara no Chousen~ 2020

  ★ NR
• 
  Koizumi Kōtarō and Muro Tsuyoshi Jiyū Kimamani Futaritabi 2019

  ★ NR
• 
  비밀관계 ~선생님은 동거인~ 2019

  ★ NR
• 
  The Good Wife 2019

  Masahiro Tada

  ★ 7.5
• 
  The Real Culprit 2018

  ★ 7
• 
  Black Pean 2018

  Gonta Takashina

  ★ 7.6
• 
  Wagaya no Mondai 2018

  ★ NR
• 
  Family Court Investigator Akira Yamanobou 2 2017

  Akira Yamanobo

  ★ NR
• 
  Akira and Akira 2017

  ★ NR
• 
  Chef: Three Star School Lunch 2016

  Shogo Shinoda

  ★ 8.2
• 
  Cinderella Formula 2016

  Igarashi Toru

  ★ 5.5
• 
  Crime Mystery by Kosaku Asahina: Tragedy of Hanasaki Village 2016

  Kosaku Asahina

  ★ NR
• 
  The Unbroken 2016

  ★ 8
• 
  Family Court Probation Officer, Akira Yamanobo 2016

  Akira Yamanobo

  ★ NR
• 
  Keishicho Zero Gakari 2016

  Kobayakawa Fuyuhi

  ★ 6.8
• 
  Shitamachi Rocket 2015

  ★ 7.9
• 
  Shi no Zōki 2015

  Kyota Numazaki

  ★ 7.5
• 
  Age Harassment 2015

  Akihiko Hoshina

  ★ 7
• 
  Petero no Soretsu 2014

  Saburo Sugimura

  ★ 7
• 
  Funeral Parade of St.Peter 2014

  ★ NR
• 
  Owakon TV 2014

  Keisuke Mihashi

  ★ NR
• 
  Platonic 2014

  Kazuhisa Mochizuki

  ★ 6
• 
  Keiji Yoshinaga Seiichi Namida no Jikenbo 2013

  ★ NR
• 
  Nameless Poison [aka Namonaki Doku] 2013

  Saburo Sugimura

  ★ NR
• 
  Nameless Poison 2013

  Saburo Sugimura

  ★ 8
• 
  魔性の群像 刑事・森崎慎平 2013

  ★ NR
• 
  Samurai Pirates 2013

  ★ NR
• 
  Midnight Ferris Wheel 2013

  Maa-kun / Kojima Masaomi

  ★ 8.2
• 
  Otasukeya Jinpachi 2013

  Iguchi Tatsuya

  ★ 7
• 
  One in a hundred thousand 2012

  Tsukamoto

  ★ 7
• 
  Ningen Kansatsu Variety MONITORING 2012

  ★ 9
• 
  Bayside Shakedown The Final: The New Hope 2012

  Shigeru Koike

  ★ 5.9
• 
  小京都連続殺人事件 2012

  ★ NR
• 
  Princess of the Frog 2012

  Tetsuro Isaka

  ★ 7
• 
  Will The Luxury Of Love Ever Fall My Way? 2012

  Iida Takeshi

  ★ 3
• 
  松本清張サスペンス (テレビ東京) 2011

  ★ NR
• 
  HUNTER - Women After Reward Money 2011

  Goro Terashima

  ★ 8
• 
  Secret Relationship: The teacher is my housemate 2011

  Kobayashi Naoki

  ★ NR
• 
  悪党 重犯罪捜査班 2011

  Keiichiro Satonaka（里中 啓一郎）

  ★ NR
• 
  Goodbye Alma 2010

  Sgt Seiji Ogata

  ★ NR
• 
  Dr. Hisayoshi Suma 2010

  秋山浩平

  ★ 5
• 
  Gakeppuchi no Eri - Kono yo de ichiban daiji na 'Kane' no hanashi 2010

  Masamune Hiraizumi

  ★ NR
• 
  Bayside Shakedown 3: Set the Guys Loose 2010

  Shigeru Koike

  ★ 5.2
• 
  Love Call Center 2009

  Tokura Wataru

  ★ 7
• 
  Ano Hi Bokura no Inochi wa Toiretto Pepa yori mo Karukatta 2008

  Kenichi Asakura

  ★ 7
• 
  オトコの子育て 2007

  丸山洋介

  ★ NR
• 
  Hanayome to Papa 2007

  ★ 6
• 
  Haken no Hinkaku 2007

  Kensuke Satonaka

  ★ 7.3
• 
  Seicho Matsumoto Drama Special: Wave Tower 2006

  Onogi Takao

  ★ NR
• 
  松本清張ドラマスペシャル 波の塔(2006年版) 2006

  ★ NR
• 
  Time of Distrust ~ Women's Wars 2006

  Kei Kondo

  ★ NR
• 
  Attention Please 2006

  Shuusuke Tsutsumi

  ★ 7.6
• 
  Gachi Baka! 2006

  Genki Watanabe

  ★ 4
• 
  Kamen Rider Hibiki The Movie: Hibiki & The Seven War Oni 2005

  Takeshi

  ★ 7
• 
  Slow Dance 2005

  Yuta Yajima

  ★ 7
• 
  Negotiator 2005

  Koike

  ★ 6
• 
  Yoshitsune 2005

  Taira no Sukemori

  ★ 8.5
• 
  Objection! 2004

  ★ NR
• 
  Bayside Shakedown 2 2003

  Shigeru Koike

  ★ 6.2
• 
  You are my only Madonna 2003

  Takashi Nakano

  ★ NR
• 
  狂った果実2002 2002

  ★ NR
• 
  Nurseman 2002

  ★ 6
• 
  Home & Away 2001

  ★ 5