The Couch Critic Logo
The Couch CriticCouch Critic
TrendingMoviesTV ShowsListsReviewsWhat to Watch
LogoThe Couch Critic

Menu

TrendingMoviesTV ShowsListsReviewsWhat to Watch

© 2026 The Couch Critic

The Couch Critic Logo

The Couch Critic

Your go-to destination for honest movie and TV show reviews from a passionate community of critics. Join the conversation today.

X

Explore

  • Trending
  • Movies
  • TV Shows
  • Reviews
  • Lists
  • Games
  • About Us

Categories

  • Popular Movies
  • Trending Now
  • Upcoming
  • Airing Today
  • Movie Genres
  • TV Genres

Community

  • Guides
  • What to Watch

Legal

  • Privacy Policy
  • Terms of Service
  • Cookie Policy
  • RSS Feed
© 2026 The Couch Critic.•Built by Hayden Thorn
Cookie Settings
The Movie Database

This application uses TMDB and the TMDB APIs but is not endorsed, certified, or otherwise approved by TMDB.

Home/People/Mantaro Koichi
Mantaro Koichi profile photo
Born
Feb 15, 1969
Age 57
Place of Birth
Osaka, Japan
Known For
Acting
Gender
Male

Career Highlights

58
Movies
47
TV Shows
Also Known As
小市 慢太郎
Koichi Mantaro
IMDb ProfileOfficial Website

Mantaro Koichi

Acting

Biography
Mantarō Koichi (小市 慢太郎 , Koichi Mantarō), born on February 15, 1969 in Osaka, is a Japanese actor. He occasionally does voice work for anime and TV dramas. He's affiliated with Gekidan M.O.P., an agency that mostly assigns work for live action movies and TV series. His bloodtype is B.
We're Both Grooms poster

We're Both Grooms

as Seto Takeshi
2022
The Sunday Runoff poster

The Sunday Runoff

Cast
2022
Memory's Technique poster

Memory's Technique

as Kazuno Tadashi
2020
Care Nin 2: The Flower in Your Heart poster

Care Nin 2: The Flower in Your Heart

as Hirofumi Kudo
2020
One Left Hand Shot poster

One Left Hand Shot

Cast
2020
Fukushima 50 poster

Fukushima 50

as Chairman of Japanese Nuclear Safety Commission
2020
Mellow poster

Mellow

as Furukawa Sakon
2020
Yatsuhakamura poster

Yatsuhakamura

as 磯川警部
2019
Only the Cat Knows poster

Only the Cat Knows

as Masaki
2019
A Long Goodbye poster

A Long Goodbye

Cast
2019
For Love's Sake poster

For Love's Sake

Cast
2018
Perfect World poster

Perfect World

Cast
2018
Neck Bowed in the Rain poster

Neck Bowed in the Rain

as Jingoro Gyoda
2018
My Friend "A" poster

My Friend "A"

as President Kawashima
2018
Colors of Wind poster

Colors of Wind

as Kitta
2018
Tales of the Bizarre: 2017 Fall Special poster

Tales of the Bizarre: 2017 Fall Special

Cast
2017
Care Nin poster

Care Nin

as Hirofumi Kudo
2017
Radiance poster

Radiance

as Sano
2017
Error poster

Error

Cast
2017
Blossoming Into a Family poster

Blossoming Into a Family

as Seishiro Ishikawa
2017