Kotaro Koizumi

Kotaro Koizumi

Known for
Acting
Born
July 10, 1978 (age 48)
Birthplace
Kanagawa, Japan

Known For

Filmography

2026
Psychotherapist Himuro Sosuke no Jikenbo 3 poster

Psychotherapist Himuro Sosuke no Jikenbo 3

Movie

2026
Hakone Ekiden: Our Story poster

Hakone Ekiden: Our Story

TV · as Tomoya Sone · 1 ep

2025
Missing Persons Investigation Unit: The Missing Truth poster

Missing Persons Investigation Unit: The Missing Truth

TV · as Shinpei Sasazuka · 8 eps

2025
The Royal Family poster

The Royal Family

TV · as Yutaro Sanno · 10 eps

2025
Golden SixTONES poster

Golden SixTONES

TV · as Self · 1 ep

2025
小泉孝太郎の地元フルコース

小泉孝太郎の地元フルコース

TV · as Self · 2 eps

2024
Hare no Hi Cinderella Wedding Dress wo Nihon e! Aru Josei no Chosen poster

Hare no Hi Cinderella Wedding Dress wo Nihon e! Aru Josei no Chosen

Movie · as Yuki Yoshito

2024
Rude to Love poster

Rude to Love

Movie

2023
Psychotherapist Himuro Sosuke no Jikenbo 2 poster

Psychotherapist Himuro Sosuke no Jikenbo 2

Movie

2023
Oshorin poster

Oshorin

Movie

2023
Pokémon Horizons poster

Pokémon Horizons

TV · as Homeroom Teacher (voice) · 2 eps

2023
Fixer poster

Fixer

TV · as Koji Itakura · 15 eps

2023
Black Postman poster

Black Postman

TV · as Shin Mizuno · 7 eps

2023
Worst to First: A Teen Baseball Miracle poster

Worst to First: A Teen Baseball Miracle

TV · as Niwa Shingo · 10 eps

2023
Stand Up Start poster

Stand Up Start

TV · as Taiga Mihoshi · 11 eps

2022
Psychotherapist Himuro Sosuke no Jikenbo 1 poster

Psychotherapist Himuro Sosuke no Jikenbo 1

Movie

2022
The Hound of the Baskervilles: Sherlock the Movie poster

The Hound of the Baskervilles: Sherlock the Movie

Movie · as Haruto Sutei

2022
Mokuhihan poster

Mokuhihan

Movie

2022
The Wall of the Eye poster

The Wall of the Eye

TV · as Tatsuo Hagizaki · 5 eps

2022
POP UP! poster

POP UP!

TV · as Monday · 1 ep

2021
You're Not Normal, Either! poster

You're Not Normal, Either!

Movie · as Isao Miyamoto

2021
Enzaihan poster

Enzaihan

TV · as Ryosuke Koyama · 1 ep

2020
Byouin no Naoshikata ~Doctor Arihara no Chousen~ poster

Byouin no Naoshikata ~Doctor Arihara no Chousen~

TV · 9 eps

2020
Mothers in Love poster

Mothers in Love

TV · as Saiki Takumi · 9 eps

2020
What's So Wrong with "Azatoi"? poster

What's So Wrong with "Azatoi"?

TV · 1 ep

2019
비밀관계 ~선생님은 동거인~ poster

비밀관계 ~선생님은 동거인~

TV · 1 ep

2019
The Good Wife poster

The Good Wife

TV · as Masahiro Tada · 10 eps

2019
Koizumi Kōtarō and Muro Tsuyoshi Jiyū Kimamani Futaritabi poster

Koizumi Kōtarō and Muro Tsuyoshi Jiyū Kimamani Futaritabi

TV · 7 eps

2018
Black Pean poster

Black Pean

TV · as Gonta Takashina · 20 eps

2018
The Real Culprit poster

The Real Culprit

TV · 5 eps

2018
Wagaya no Mondai poster

Wagaya no Mondai

TV · as [Husband] · 1 ep

2017
Family Court Investigator Akira Yamanobou 2 poster

Family Court Investigator Akira Yamanobou 2

Movie · as Akira Yamanobo

2017
Akira and Akira poster

Akira and Akira

TV · as Shoji Andō · 9 eps

2016
Crime Mystery by Kosaku Asahina: Tragedy of Hanasaki Village poster

Crime Mystery by Kosaku Asahina: Tragedy of Hanasaki Village

Movie · as Kosaku Asahina

2016
Family Court Probation Officer, Akira Yamanobo

Family Court Probation Officer, Akira Yamanobo

Movie · as Akira Yamanobo

2016
The Unbroken poster

The Unbroken

TV · 20 eps

2016
Chef: Three Star School Lunch poster

Chef: Three Star School Lunch

TV · as Shogo Shinoda · 10 eps

2016
Cinderella Formula poster

Cinderella Formula

TV · as Igarashi Toru · 8 eps

2016
Keishicho Zero Gakari poster

Keishicho Zero Gakari

TV · as Kobayakawa Fuyuhi · 7 eps

2016
The Blind Teacher poster

The Blind Teacher

TV · 1 ep

2015
Shi no Zōki poster

Shi no Zōki

TV · as Kyota Numazaki · 5 eps

2015
Age Harassment poster

Age Harassment

TV · as Akihiko Hoshina · 9 eps

2015
Shitamachi Rocket poster

Shitamachi Rocket

TV · 10 eps

2014
Petero no Soretsu poster

Petero no Soretsu

TV · as Saburo Sugimura · 11 eps

2014
Platonic poster

Platonic

TV · as Kazuhisa Mochizuki · 8 eps

2014
Owakon TV poster

Owakon TV

TV · as Keisuke Mihashi · 8 eps

2013
Nameless Poison [aka Namonaki Doku]

Nameless Poison [aka Namonaki Doku]

Movie · as Saburo Sugimura

2013
Samurai Pirates poster

Samurai Pirates

Movie

2013
家庭教師が解く!~殺人方程式の推理ドリル~ poster

家庭教師が解く!~殺人方程式の推理ドリル~

Movie

2013
Otasukeya Jinpachi poster

Otasukeya Jinpachi

TV · as Iguchi Tatsuya · 12 eps

2013
魔性の群像 刑事・森崎慎平

魔性の群像 刑事・森崎慎平

TV · 1 ep

2013
Nameless Poison poster

Nameless Poison

TV · as Saburo Sugimura · 11 eps

2013
Keiji Yoshinaga Seiichi Namida no Jikenbo poster

Keiji Yoshinaga Seiichi Namida no Jikenbo

TV · 9 eps

2013
Midnight Ferris Wheel poster

Midnight Ferris Wheel

TV · as Maa-kun / Kojima Masaomi · 10 eps

2012
Bayside Shakedown THE FINAL: The New Hope poster

Bayside Shakedown THE FINAL: The New Hope

Movie · as Shigeru Koike

2012
One in a hundred thousand poster

One in a hundred thousand

Movie · as Tsukamoto

2012
Will The Luxury Of Love Ever Fall My Way? poster

Will The Luxury Of Love Ever Fall My Way?

TV · as Iida Takeshi · 6 eps

2012
小京都連続殺人事件

小京都連続殺人事件

TV · 1 ep

2012
Princess of the Frog poster

Princess of the Frog

TV · as Tetsuro Isaka · 11 eps

2012
Ningen Kansatsu Variety MONITORING poster

Ningen Kansatsu Variety MONITORING

TV · 266 eps

2011
Secret Relationship: The teacher is my housemate poster

Secret Relationship: The teacher is my housemate

TV · as Kobayashi Naoki · 13 eps

2011
HUNTER - Women After Reward Money poster

HUNTER - Women After Reward Money

TV · as Goro Terashima · 10 eps

2011
松本清張サスペンス (テレビ東京)

松本清張サスペンス (テレビ東京)

TV · 3 eps

2011
悪党~重犯罪捜査班 poster

悪党~重犯罪捜査班

TV · as Keiichiro Satonaka(里中 啓一郎) · 8 eps

2010
Bayside Shakedown 3: Set the Guys Loose poster

Bayside Shakedown 3: Set the Guys Loose

Movie · as Shigeru Koike

2010
Dr. Hisayoshi Suma

Dr. Hisayoshi Suma

Movie · as 秋山浩平

2010
Goodbye Alma poster

Goodbye Alma

TV · as Sgt Seiji Ogata · 4 eps

2010
Gakeppuchi no Eri - Kono yo de ichiban daiji na 'Kane' no hanashi poster

Gakeppuchi no Eri - Kono yo de ichiban daiji na 'Kane' no hanashi

TV · as Masamune Hiraizumi · 9 eps

2009
Love Call Center poster

Love Call Center

TV · as Tokura Wataru · 10 eps

2008
Ano Hi Bokura no Inochi wa Toiretto Pepa yori mo Karukatta poster

Ano Hi Bokura no Inochi wa Toiretto Pepa yori mo Karukatta

Movie · as Kenichi Asakura

2007
Hanayome to Papa poster

Hanayome to Papa

TV · 12 eps

2007
The Pride of the Temp poster

The Pride of the Temp

TV · as Kensuke Satonaka · 18 eps

2007
Bad Dad poster

Bad Dad

TV · as 丸山洋介 · 8 eps

2006
Seicho Matsumoto Drama Special: Wave Tower poster

Seicho Matsumoto Drama Special: Wave Tower

Movie · as Onogi Takao

2006
Attention Please poster

Attention Please

TV · as Shuusuke Tsutsumi · 11 eps

2006
Gachi Baka! poster

Gachi Baka!

TV · as Genki Watanabe · 10 eps

2006
Time of Distrust ~ Women's Wars poster

Time of Distrust ~ Women's Wars

TV · as Kei Kondo · 12 eps

2006
松本清張ドラマスペシャル 波の塔(2006年版)

松本清張ドラマスペシャル 波の塔(2006年版)

TV · 1 ep

2005
Negotiator: Mashita Masayoshi poster

Negotiator: Mashita Masayoshi

Movie · as Koike

2005
Kamen Rider Hibiki The Movie: Hibiki & The Seven War Oni poster

Kamen Rider Hibiki The Movie: Hibiki & The Seven War Oni

Movie · as Takeshi

2005
Yoshitsune poster

Yoshitsune

TV · as Taira no Sukemori · 49 eps

2005
Slow Dance poster

Slow Dance

TV · as Yuta Yajima · 11 eps

2004
Objection!

Objection!

TV · 9 eps

2004
異議あり!女弁護士大岡法江 poster

異議あり!女弁護士大岡法江

TV · 1 ep

2003
Bayside Shakedown 2 poster

Bayside Shakedown 2

Movie · as Shigeru Koike

2003
You are my only Madonna poster

You are my only Madonna

TV · as Takashi Nakano · 11 eps

2002
狂った果実2002

狂った果実2002

TV · 1 ep

2002
Nurseman poster

Nurseman

TV · 10 eps

2002
Gokusen poster

Gokusen

TV · as Seiichi Natsume · 11 eps

2001
Home & Away poster

Home & Away

TV · 11 eps