
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.
Acted in 108
2020s
- 2026
What We Call Happiness
Movie
The Devil's Ballad
TV
- 2024
- 2023
The Inugami Family
Isokawa · 2 episodes
Wave, Listen to Me!
Kureko Katsumi · 8 episodes
- 2022
We're Both Grooms
Seto Takeshi
Two People Who Can't Fall in Love
TV
- 2021
The Agent Family
Toshio Sato · 1 episode
- 2020
Memory's Technique
Kazuno Tadashi
Care Nin 2: The Flower in Your Heart
Hirofumi Kudo
One Left Hand Shot
Movie
Mellow
Furukawa Sakon
2010s
- 2019
Yatsuhakamura
磯川警部
- 2018
For Love's Sake
Movie
Neck Bowed in the Rain
Jingoro Gyoda
White and Yellow ~My Pancake Story from Hawaii~
Sawano Kyoji [Nami's uncle] · 25 episodes
Colors of Wind
Kitta
- 2017
Tales of the Bizarre: 2017 Fall Special
Movie
FACE - Cyber Hanzai Tokusouhan
TV
Care Nin
Hirofumi Kudo
Error
Movie
Blossoming Into a Family
Seishiro Ishikawa
- 2016
Death on Gokumon Island
Inspector Isokawa
Prison Gate Island
Inspector Isokawa
Sniper
Satoru Kanbe
Destiny-Like Love
Fujii Yoji · 8 episodes
Lost ID
Baba · 9 episodes
- 2015
Godan
Koji Mashima · 6 episodes
Till Death Do Us What?
Yamashita
Scarecrow and Racket: Aki and Tamako’s Summer Vacation
Masaya Odagiri
- 2014
Miracle: Devil Claus' Love and Magic
Natsuki Kurita
The Hours of My Life
Akio Sawada · 11 episodes
- 2013
Kurokouchi
Ushii Takeshi · 10 episodes
- 2012
Wonderful Single Life
Shuji Tanigawa · 11 episodes
- 2011
- 2010
Osaka Love & Soul
Movie
Ekeb of Dekye
Kenzo Furuyama
Ai wa mieru: Zenmô fûfu ni yadotta chiisana inochi
Movie
Azamijô no lullaby
TV
2000s
- 2009
The Vulture
Movie
- 2007
Sixteen
Sawazaki
- 2006
- 2005
Umanohone: The Legendary Sword
TV
Matrilineal Family
TV
- 2004
Locomotive Teacher
Movie
No-Pants Girls: Movie Box-ing2
Movie
Antenna
Shigenobu
- 2003
- 2002
Concent
Yamagishi
- 2001
Platonic Sex
Movie
Stake Out
Tasuku Yoshioka
1990s
- 1999
Samurai Shodown 2
Galford
Samurai Spirits 2: Asura Zanmaden
Galford · 2 episodes
- 1995