1969Born, Osaka
80Credits
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
Rurouni Kenshin Part II: Kyoto InfernoToshiyoshi Kawaji
Rurouni Kenshin Part III: The Legend EndsToshiyoshi Kawaji
Fukushima 50Chairman of Japanese Nuclear Safety Commission
The Hours of My LifeAkio Sawada
RadianceSano2026The Devil's Ballad2 episodesShow
2024Unmet: Diary of a NeurosurgeonTakami Takeshi · 11 episodesShow
2023The Inugami FamilyIsokawa · 2 episodesShow
2023Wave, Listen to Me!Kureko Katsumi · 8 episodesShow
2022The Files of Young KindaichiKen Izumaru · 2 episodesShow
2022What Do You Really Do About Love?Jiro Okashita · 10 episodesShow
2022We're Both GroomsSeto TakeshiMovie
2022Evil God's Balance Public Security Analysis TeamShuzo Kunieda · 10 episodesShow
2022Two People Who Can't Fall in Love8 episodesShow
2022The Sunday RunoffMovie
2021The Agent FamilyToshio Sato · 1 episodeShow
2020Memory's TechniqueKazuno TadashiMovie
2020The Sun Does Not MoveMiura · 6 episodesShow
2020Gourmet Detective Goro AkechiYasuya Dateh · 1 episodeShow
2020Care Nin 2: The Flower in Your HeartHirofumi KudoMovie
2020One Left Hand ShotMovie
2020Fukushima 50Chairman of Japanese Nuclear Safety CommissionMovie
2020Nozaki Shuhei President of BankRyoma Kashiwagi · 5 episodesShow
2020MellowFurukawa SakonMovie
2019Yatsuhakamura磯川警部Movie
2019Sherlock: Untold StoriesTakahisa Inui · 1 episodeShow
2019VoiceKenichi Tadokoro · 10 episodesShow
2019Only the Cat KnowsMasakiMovie
2019A Long GoodbyeMovie
2019Innocence, Fight Against False ChargesRintaro Ibusuki · 10 episodesShow
2018For Love's SakeMovie
2018SuitsYukio Karashima · 1 episodeShow
2018Perfect WorldMovie
2018Neck Bowed in the RainJingoro GyodaMovie
2018My Friend "A"President KawashimaMovie
2018White and Yellow ~My Pancake Story from Hawaii~Sawano Kyoji [Nami's uncle] · 25 episodesShow
2018Colors of WindKittaMovie
2018Kiss that KillsGunji Arai · 10 episodesShow
2018Nozaki Shuhei - Auditor of BankRyoma Kashiwagi · 8 episodesShow
2017Tales of the Bizarre: 2017 Fall SpecialMovie
2017FACE - Cyber Hanzai Tokusouhan10 episodesShow
2017Akira and Akira1 episodeShow
2017Care NinHirofumi KudoMovie
2017RadianceSanoMovie
2017ErrorMovie
2017CRISIS: Special Security Squad1 episodeShow
2017Blossoming Into a FamilySeishiro IshikawaMovie
2016Death on Gokumon IslandInspector IsokawaMovie
2016Prison Gate IslandInspector IsokawaMovie
2016The Tokyo Wind OrchestraKazuya TachibanaMovie
2016Cold Case: Door of TruthYasui · 1 episodeShow
2016SniperSatoru KanbeMovie
2016Destiny-Like LoveFujii Yoji · 8 episodesShow
2016Somebody's XylophoneMovie
2016Lost IDBaba · 9 episodesShow
201699.9 Criminal LawyerInaba · 2 episodesShow
2016Moribito: Guardian of the SpiritThe Cooles · 9 episodesShow
2015GodanKoji Mashima · 6 episodesShow
2015Ghost TheaterGota NishikinoMovie
2015Before a Falling Star Fades Away奈緒子の父Movie
2015GassohMovie
2015Till Death Do Us What?YamashitaMovie
2015Scarecrow and Racket: Aki and Tamako’s Summer VacationMasaya OdagiriMovie
2014Miracle: Devil Claus' Love and MagicNatsuki KuritaMovie
2014Nobunaga ConcertoYoshikage Asakura · 2 episodesShow
2014A Samurai ChronicleMovie
2014Rurouni Kenshin Part III: The Legend EndsToshiyoshi KawajiMovie
2014Rurouni Kenshin Part II: Kyoto InfernoToshiyoshi KawajiMovie
2014Shinigami-kun2 episodesShow
2014Hanasaki Mai Speaks OutTakahiko Isobe · 1 episodeShow
2014Tokyo RefugeesKobayakawaMovie
2014The Hours of My LifeAkio Sawada · 11 episodesShow
2013KurokouchiUshii Takeshi · 10 episodesShow
2013The End of SummerMovie
2013The Sparkling AmberMovie
2012Wonderful Single LifeShuji Tanigawa · 11 episodesShow
2012Piece: Fragments of a MemoryTojiro TsudaMovie
2011Pink SubaruZenMovie
2011CSI: Crime Scene Talks1 episodeShow
2010Osaka Love & SoulMovie
2010HUNT - Tax Investigation OfficerShiro Kume · 8 episodesShow
2010Ekeb of DekyeKenzo FuruyamaMovie
2010Perfect BlueMovie
2010Ai wa mieru: Zenmô fûfu ni yadotta chiisana inochiMovie
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