Personal Info
Known For
Acting
Born
February 15, 1969 (age 57)
Place of Birth
Osaka, Japan
Also Known As
小市 慢太郎
Koichi Mantaro
Mantaro Koichi
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
TV
AIBOU: Tokyo Detective Duo
2002
TV
99.9 Criminal Lawyer
Inaba
2016
TV
The Files of the Young Kindaichi
Ken Izumaru
1995
TV
CSI: Crime Scene Talks
2011
TV
Emergency Room 24 Hours
Manabu Hibiya（日比谷 学）
1999
TV
Cold Case: Door of Truth
Yasui
2016
TV
Galileo
Hiroshi Kamimura
2007
TV
Ryōmaden
2010
TV
Hero
Yagi
2001
TV
Hanasaki Mai Speaks Out
Takahiko Isobe
2014
TV
Suits
Yukio Karashima
2018
TV
The Files of Young Kindaichi
Ken Izumaru
2022
TV
CRISIS: Special Security Squad
2017
TV
Moribito: Guardian of the Spirit
The Cooles
2016
TV
Gourmet Detective Goro Akechi
Yasuya Dateh
2020
TV
Sherlock: Untold Stories
Takahisa Inui
2019
TV
Kiss that Kills
Gunji Arai
2018
Film
Fukushima 50
Chairman of Japanese Nuclear Safety Commission
2020
TV
Innocence, Fight Against False Charges
Rintaro Ibusuki
2019
TV
Attention Please
Makoto Watanabe
2006
Filmography
2026TV悪魔の手毬唄2024TVUnmet: Diary of a Neurosurgeonas Takami Takeshi2023TVThe Inugami Familyas Isokawa2023TVWave, Listen to Me!as Kureko Katsumi2022TVThe Files of Young Kindaichias Ken Izumaru2022TVWhat Do You Really Do About Love?as Jiro Okashita2022FilmWe're Both Groomsas Seto Takeshi2022TVEvil God's Balance Public Security Analysis Teamas Shuzo Kunieda2022TVTwo People Who Can't Fall in Love2022FilmThe Sunday Runoff2021TVThe Agent Familyas Toshio Sato2020FilmMemory's Techniqueas Kazuno Tadashi2020TVThe Sun Does Not Moveas Miura2020TVGourmet Detective Goro Akechias Yasuya Dateh2020FilmCare Nin 2: The Flower in Your Heartas Hirofumi Kudo2020FilmOne Left Hand Shot2020FilmFukushima 50as Chairman of Japanese Nuclear Safety Commission2020TVNozaki Shuhei President of Bankas Ryoma Kashiwagi2020FilmMellowas Furukawa Sakon2019FilmYatsuhakamuraas 磯川警部2019TVSherlock: Untold Storiesas Takahisa Inui2019TVVoiceas Kenichi Tadokoro2019FilmOnly the Cat Knowsas Masaki2019FilmA Long Goodbye2019TVInnocence, Fight Against False Chargesas Rintaro Ibusuki2018FilmFor Love's Sake2018TVSuitsas Yukio Karashima2018FilmPerfect World2018FilmNeck Bowed in the Rainas Jingoro Gyoda2018FilmMy Friend "A"as President Kawashima2018TVWhite and Yellow ~My Pancake Story from Hawaii~as Sawano Kyoji [Nami's uncle]2018FilmColors of Windas Kitta2018TVKiss that Killsas Gunji Arai2018TVNozaki Shuhei - Auditor of Bankas Ryoma Kashiwagi2017FilmTales of the Bizarre: 2017 Fall Special2017TVFACE - Cyber Hanzai Tokusouhan2017TVAkira and Akira2017FilmCare Ninas Hirofumi Kudo2017FilmRadianceas Sano2017FilmError2017TVCRISIS: Special Security Squad2017FilmBlossoming Into a Familyas Seishiro Ishikawa2016FilmDeath on Gokumon Islandas Inspector Isokawa2016FilmPrison Gate Islandas Inspector Isokawa2016FilmThe Tokyo Wind Orchestraas Kazuya Tachibana2016TVCold Case: Door of Truthas Yasui2016FilmSniperas Satoru Kanbe2016TVDestiny-Like Loveas Fujii Yoji2016FilmSomebody's Xylophone2016TVLost IDas Baba2016TV99.9 Criminal Lawyeras Inaba2016TVMoribito: Guardian of the Spiritas The Cooles2015FilmGhost Theateras Gota Nishikino2015FilmBefore a Falling Star Fades Awayas 奈緒子の父2015FilmGassoh2015FilmTill Death Do Us What?as Yamashita2015FilmScarecrow and Racket: Aki and Tamako’s Summer Vacationas Masaya Odagiri2014FilmMiracle: Devil Claus' Love and Magicas Natsuki Kurita2014TVNobunaga Concertoas Yoshikage Asakura2014FilmA Samurai Chronicle2014FilmRurouni Kenshin Part III: The Legend Endsas Toshiyoshi Kawaji2014FilmRurouni Kenshin Part II: Kyoto Infernoas Toshiyoshi Kawaji2014TVShinigami-kun2014TVHanasaki Mai Speaks Outas Takahiko Isobe2014FilmTokyo Refugeesas Kobayakawa2014TVThe Hours of My Lifeas Akio Sawada2013TVKurokouchias Ushii Takeshi2013FilmThe End of Summer2013FilmThe Sparkling Amber2012TVWonderful Single Lifeas Shuji Tanigawa2012FilmPiece: Fragments of a Memoryas Tojiro Tsuda2011FilmPink Subaruas Zen2011TVCSI: Crime Scene Talks2010FilmOsaka Love & Soul2010TVHUNT - Tax Investigation Officeras Shiro Kume2010FilmEkeb of Dekyeas Kenzo Furuyama2010FilmPerfect Blue2010FilmAi wa mieru: Zenmô fûfu ni yadotta chiisana inochi2010TVSteel Frame2010TVAzamijô no lullaby2010TVBungo Japanese Literature Cinemaas Muramatsu2010TVRyōmaden2009FilmThe Summit: A Chronicle Of Stones to Serenityas Kinjiro Okano2009FilmThe Vulture2009TVMR.BRAIN2007FilmWalking My Lifeas Wakaizumi2007TVGalileoas Hiroshi Kamimura2007FilmSixteenas Sawazaki2006TVAttention Pleaseas Makoto Watanabe2006TVAngels with Broken Wingsas Sugawara2005FilmReincarnationas Yamanaka Producer2005TVUmanohone: The Legendary Sword2005TVMatrilineal Family2005FilmIchigo Chipsas Sakai2004FilmThe Hidden Blade2004FilmLocomotive Teacher2004FilmNo-Pants Girls: Movie Box-ing22004FilmAntennaas Shigenobu2003FilmKaraoke Terror2002TVAIBOU: Tokyo Detective Duo2002FilmConcentas Yamagishi2001FilmPlatonic Sex2001FilmStake Outas Tasuku Yoshioka2001TVHeroas Yagi1999FilmSamurai Shodown 2as Galford1999TVSamurai Spirits 2: Asura Zanmadenas Galford1999TVEmergency Room 24 Hoursas Manabu Hibiya（日比谷 学）1995TVThe Files of the Young Kindaichias Ken Izumaru