Kotaro Koizumi
- Acting
- July 10, 1978 · Kanagawa, Japan
Known for
Filmography
- Hakone Ekiden: Our Story · Tomoya Sone
- Psychotherapist Himuro Sosuke no Jikenbo 3
- The Royal Family · Yutaro Sanno
- 小泉孝太郎の地元フルコース · Self
- Missing Persons Investigation Unit: The Missing Truth · Shinpei Sasazuka
- Golden SixTONES · Self
- Rude to Love
- Super Children's Day ~ To you who live until Year 2100 ~ · Creator
- Hare no Hi Cinderella Wedding Dress wo Nihon e! Aru Josei no Chosen · Yuki Yoshito
- Oshorin
- Worst to First: A Teen Baseball Miracle · Niwa Shingo
- Psychotherapist Himuro Sosuke no Jikenbo 2
- Black Postman · Shin Mizuno
- Fixer · Koji Itakura
- Pokémon Horizons · Homeroom Teacher (Voice)
- Stand Up Start · Taiga Mihoshi
- Mokuhihan
- The Wall of the Eye · Tatsuo Hagizaki
- The Hound of the Baskervilles: Sherlock the Movie · Haruto Sutei
- POP UP! · Monday
- Psychotherapist Himuro Sosuke no Jikenbo 1
- Enzaihan · Ryosuke Koyama
- You're Not Normal, Either! · Isao Miyamoto
- Mothers in Love · Saiki Takumi
- What's So Wrong with "Azatoi"?
- Byouin no Naoshikata ~Doctor Arihara no Chousen~
- Koizumi Kōtarō and Muro Tsuyoshi Jiyū Kimamani Futaritabi
- 비밀관계 ~선생님은 동거인~
- The Good Wife · Masahiro Tada
- The Real Culprit
- Black Pean · Gonta Takashina
- Wagaya no Mondai · [Husband]
- Family Court Investigator Akira Yamanobou 2 · Akira Yamanobo
- Akira and Akira · Shoji Andō
- Chef: Three Star School Lunch · Shogo Shinoda
- Cinderella Formula · Igarashi Toru
- The Blind Teacher
- Crime Mystery by Kosaku Asahina: Tragedy of Hanasaki Village · Kosaku Asahina
- The Unbroken
- Family Court Probation Officer, Akira Yamanobo · Akira Yamanobo
- Keishicho Zero Gakari · Kobayakawa Fuyuhi
- Shitamachi Rocket
- Shi no Zōki · Kyota Numazaki
- Age Harassment · Akihiko Hoshina
- Petero no Soretsu · Saburo Sugimura
- Funeral Parade of St.Peter
- Owakon TV · Keisuke Mihashi
- Platonic · Kazuhisa Mochizuki
- Keiji Yoshinaga Seiichi Namida no Jikenbo
- Nameless Poison [aka Namonaki Doku] · Saburo Sugimura
- Nameless Poison · Saburo Sugimura
- 魔性の群像 刑事・森崎慎平
- Samurai Pirates
- 家庭教師が解く！～殺人方程式の推理ドリル～
- Midnight Ferris Wheel · Maa-kun / Kojima Masaomi
- Otasukeya Jinpachi · Iguchi Tatsuya
- One in a hundred thousand · Tsukamoto
- Ningen Kansatsu Variety MONITORING
- Bayside Shakedown THE FINAL: The New Hope · Shigeru Koike
- 小京都連続殺人事件
- Princess of the Frog · Tetsuro Isaka
- Will The Luxury Of Love Ever Fall My Way? · Iida Takeshi
- 松本清張サスペンス (テレビ東京)
- HUNTER - Women After Reward Money · Goro Terashima
- Secret Relationship: The teacher is my housemate · Kobayashi Naoki
- 悪党～重犯罪捜査班 · Keiichiro Satonaka（里中 啓一郎）
- Goodbye Alma · Sgt Seiji Ogata
- Dr. Hisayoshi Suma · 秋山浩平
- Gakeppuchi no Eri - Kono yo de ichiban daiji na 'Kane' no hanashi · Masamune Hiraizumi
- Bayside Shakedown 3: Set the Guys Loose · Shigeru Koike
- Love Call Center · Tokura Wataru
- Ano Hi Bokura no Inochi wa Toiretto Pepa yori mo Karukatta · Kenichi Asakura
- Bad Dad · 丸山洋介
- Hanayome to Papa
- The Pride of the Temp · Kensuke Satonaka
- Seicho Matsumoto Drama Special: Wave Tower · Onogi Takao
- 松本清張ドラマスペシャル 波の塔(2006年版)
- Time of Distrust ~ Women's Wars · Kei Kondo
- Attention Please · Shuusuke Tsutsumi
- Gachi Baka! · Genki Watanabe