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Personal Info
Known For
Acting
Birthday
February 15, 1969
Place of Birth
Osaka, Japan
Also Known As
- 小市 慢太郎
- Koichi Mantaro
Mantaro Koichi
1.1 Popularity
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.
Known For
7.5
Takami Takeshi
Unmet: Diary of a Neurosurgeon
2024
8.0
Isokawa
The Inugami Family
2023
7.7
Kureko Katsumi
Wave, Listen to Me!
2023
6.5
Ken Izumaru
The Files of Young Kindaichi
2022
8.0
Jiro Okashita
What Do You Really Do About Love?
2022
6.0
Seto Takeshi
We're Both Grooms
2022
0.0
Shuzo Kunieda
Evil God's Balance Public Security Analysis Team
2022
9.3
Two People Who Can't Fall in Love
2022
6.8
The Sunday Runoff
2022
8.0
Toshio Sato
The Agent Family
2021
Credits
Unmet: Diary of a Neurosurgeon
as Takami Takeshi
2024
7.5
The Inugami Family
as Isokawa
2023
8.0
Wave, Listen to Me!
as Kureko Katsumi
2023
7.7
The Files of Young Kindaichi
as Ken Izumaru
2022
6.5
What Do You Really Do About Love?
as Jiro Okashita
2022
8.0
We're Both Grooms
as Seto Takeshi
2022
6.0
Evil God's Balance Public Security Analysis Team
as Shuzo Kunieda
2022
0.0
Two People Who Can't Fall in Love
2022
9.3
The Sunday Runoff
2022
6.8
The Agent Family
as Toshio Sato
2021
8.0
Memory's Technique
as Kazuno Tadashi
2020
0.0
The Sun Does Not Move
as Miura
2020
7.9
Gourmet Detective Goro Akechi
as Yasuya Dateh
2020
7.0
Care Nin 2: The Flower in Your Heart
as Hirofumi Kudo
2020
0.0
One Left Hand Shot
2020
0.0
Fukushima 50
as Chairman of Japanese Nuclear Safety Commission
2020
6.5
Nozaki Shuhei President of Bank
as Ryoma Kashiwagi
2020
0.0
Mellow
as Furukawa Sakon
2020
5.7
Yatsuhakamura
as 磯川警部
2019
7.7
Sherlock: Untold Stories
as Takahisa Inui（乾 貴久）
2019
7.8
Voice
as Kenichi Tadokoro
2019
5.8
Only the Cat Knows
as Masaki
2019
7.0
A Long Goodbye
2019
6.9
Innocence, Fight Against False Charges
as Rintaro Ibusuki
2019
6.8
For Love's Sake
2018
0.0
Suits
as Yukio Karashima
2018
6.2
Perfect World
2018
7.5
Neck Bowed in the Rain
as Jingoro Gyoda
2018
0.0
My Friend "A"
as President Kawashima
2018
7.2
White and Yellow ~My Pancake Story from Hawaii~
as Sawano Kyoji [Nami's uncle]
2018
0.0
Colors of Wind
as Kitta
2018
7.8
Kiss that Kills
as Gunji Arai
2018
8.3
Nozaki Shuhei - Auditor of Bank
as Ryoma Kashiwagi
2018
0.0
Tales of the Bizarre: 2017 Fall Special
2017
6.5
FACE - Cyber Hanzai Tokusouhan
2017
8.5
Akira and Akira
2017
0.0
Care Nin
as Hirofumi Kudo
2017
0.0
Radiance
as Sano
2017
6.5
Error
2017
0.0
CRISIS: Special Security Squad
2017
7.0
Blossoming Into a Family
as Seishiro Ishikawa
2017
0.0
Prison Gate Island
as Inspector Isokawa
2016
0.0
Death on Gokumon Island
as Inspector Isokawa
2016
0.0
The Tokyo Wind Orchestra
as Kazuya Tachibana
2016
7.0
Sniper
as Satoru Kanbe
2016
0.0
Destiny-Like Love
as Fujii Yoji
2016
5.0
Somebody's Xylophone
2016
6.3
Lost ID
as Baba
2016
5.0
99.9 Criminal Lawyer
as Inaba
2016
6.8
Moribito: Guardian of the Spirit
as The Cooles
2016
7.4
Ghost Theater
as Gota Nishikino
2015
6.2
Before a Falling Star Fades Away
as 奈緒子の父
2015
0.0
Gassoh
2015
7.6
Till Death Do Us What?
as Yamashita
2015
5.6
Scarecrow and Racket: Aki and Tamako’s Summer Vacation
as Masaya Odagiri
2015
0.0
Miracle: Devil Claus' Love and Magic
as Natsuki Kurita
2014
5.3
Nobunaga Concerto
as Yoshikage Asakura
2014
7.5
A Samurai Chronicle
2014
7.4
Rurouni Kenshin Part III: The Legend Ends
as Toshiyoshi Kawaji
2014
7.7
Rurouni Kenshin Part II: Kyoto Inferno
as Toshiyoshi Kawaji
2014
7.6
Shinigami-kun
2014
6.7
Hanasaki Mai Speaks Out
as Takahiko Isobe（磯部 隆彦）
2014
6.7
Tokyo Refugees
as Kobayakawa
2014
4.6
The Hours of My Life
as Akio Sawada
2014
7.8
Kurokouchi
as Ushii Takeshi
2013
3.0
The End of Summer
2013
6.5
🎬
The Sparkling Amber
2013
0.0
Wonderful Single Life
as Shuji Tanigawa
2012
7.2
Piece: Fragments of a Memory
as Tojiro Tsuda
2012
0.0
🎬
Pink Subaru
as Zen
2011
5.0
CSI: Crime Scene Talks
2011
7.2
Osaka Love & Soul
2010
0.0
HUNT - Tax Investigation Officer
as Shiro Kume
2010
0.0
Ekeb of Dekye
as Kenzo Furuyama
2010
6.5
Perfect Blue
2010
8.0
Ai wa mieru: Zenmô fûfu ni yadotta chiisana inochi
2010
6.0
Steel Frame
2010
0.0
Azamijô no lullaby
2010
0.0
Bungo Japanese Literature Cinema
as Muramatsu
2010
9.0
Ryōmaden
2010
9.1
The Summit: A Chronicle Of Stones to Serenity
as Kinjiro Okano
2009
6.2
The Vulture
2009
8.0
MR.BRAIN
2009
7.2
Walking My Life
as Wakaizumi
2007
5.0
Sixteen
as Sawazaki
2007
0.0
Attention Please
as Makoto Watanabe
2006
7.6
Angels with Broken Wings
as Sugawara
2006
4.4
Reincarnation
as Yamanaka Producer
2005
6.1
Umanohone: The Legendary Sword
2005
0.0
Matrilineal Family
2005
0.0
Ichigo Chips
as Sakai
2005
7.0
The Hidden Blade
2004
7.4
Locomotive Teacher
2004
0.0
No-Pants Girls: Movie Box-ing2
2004
2.0
Antenna
as Shigenobu
2004
5.7
Karaoke Terror
2003
5.6
AIBOU: Tokyo Detective Duo
2002
7.6
Concent
as Yamagishi
2002
4.2
Platonic Sex
2001
5.1
Stake Out
as Tasuku Yoshioka
2001
8.0
Hero
as Yagi
2001
8.0
Samurai Shodown 2
as Galford
1999
5.0
Samurai Spirits 2: Asura Zanmaden
as Galford
1999
6.0
Emergency Room 24 Hours
as Manabu Hibiya（日比谷 学）
1999
7.5
The Files of the Young Kindaichi
as Ken Izumaru
1995
7.6