Kotaro Koizumi

★ Acting #98,930

1978 (48) • Acting

Born: 7/10/1978 (48) in Kanagawa, Japan

Known for: Acting

Kotaro Koizumi

★ Acting #98,930

Known For

Pokémon Horizons

86%

Homeroom Teacher (voice)

2023

Gokusen

80%

Seiichi Natsume

2002

You're Not Normal, Either!

74%

Isao Miyamoto

2021

Shitamachi Rocket

79%

Unknown

2015

Black Pean

76%

Gonta Takashina

2018

Chef: Three Star School Lunch

82%

Shogo Shinoda

2016

Worst to First: A Teen Baseball Miracle

81%

Niwa Shingo

2023

The Royal Family

87%

Yutaro Sanno

2025

The Royal Family

87%

Yutaro Sanno

2025

Missing Persons Investigation Unit: The Missing Truth

50%

Shinpei Sasazuka

2025

Rude to Love

65%

2024

Super Children's Day ~ To you who live until Year 2100 ~

Creator

2024

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

Yuki Yoshito

2024

Oshorin

2023

Worst to First: A Teen Baseball Miracle

81%

Niwa Shingo

2023

Psychotherapist Himuro Sosuke no Jikenbo 2

2023

Black Postman

60%

Shin Mizuno

2023

Fixer

84%

Koji Itakura

2023

Pokémon Horizons

86%

Homeroom Teacher (voice)

2023

Stand Up Start

70%

Taiga Mihoshi

2023

Mokuhihan

2022

The Wall of the Eye

85%

Tatsuo Hagizaki

2022

The Hound of the Baskervilles: Sherlock the Movie

70%

Haruto Sutei

2022

POP UP!

Monday

2022

Psychotherapist Himuro Sosuke no Jikenbo 1

2022

Enzaihan

85%

Unknown

2021

You're Not Normal, Either!

74%

Isao Miyamoto

2021

Mothers in Love

60%

Saiki Takumi

2020

Byouin no Naoshikata ~Doctor Arihara no Chousen~

Unknown

2020

Koizumi Kōtarō and Muro Tsuyoshi Jiyū Kimamani Futaritabi

Unknown

2019

비밀관계 ~선생님은 동거인~

Unknown

2019

The Good Wife

75%

Masahiro Tada

2019

The Real Culprit

65%

Unknown

2018

Black Pean

76%

Gonta Takashina

2018

Wagaya no Mondai

[Husband]

2018

Family Court Investigator Akira Yamanobou 2

Akira Yamanobo

2017