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
2022Evil God's Balance Public Security Analysis TeamShuzo Kunieda · 10 episodesShow
2022Two People Who Can't Fall in Love8 episodesShow
2021The Agent FamilyToshio Sato · 1 episodeShow
2020The Sun Does Not MoveMiura · 6 episodesShow
2020Gourmet Detective Goro AkechiYasuya Dateh · 1 episodeShow
2020Nozaki Shuhei President of BankRyoma Kashiwagi · 5 episodesShow
2019Sherlock: Untold StoriesTakahisa Inui · 1 episodeShow
2019VoiceKenichi Tadokoro · 10 episodesShow
2019Innocence, Fight Against False ChargesRintaro Ibusuki · 10 episodesShow
2018SuitsYukio Karashima · 1 episodeShow
2018White and Yellow ~My Pancake Story from Hawaii~Sawano Kyoji [Nami's uncle] · 25 episodesShow
2018Kiss that KillsGunji Arai · 10 episodesShow
2018Nozaki Shuhei - Auditor of BankRyoma Kashiwagi · 8 episodesShow
2017FACE - Cyber Hanzai Tokusouhan10 episodesShow
2017Akira and Akira1 episodeShow
2017CRISIS: Special Security Squad1 episodeShow
2016Cold Case: Door of TruthYasui · 1 episodeShow
2016Destiny-Like LoveFujii Yoji · 8 episodesShow
2016Lost IDBaba · 9 episodesShow
201699.9 Criminal LawyerInaba · 2 episodesShow
2016Moribito: Guardian of the SpiritThe Cooles · 9 episodesShow
2015GodanKoji Mashima · 6 episodesShow
2014Nobunaga ConcertoYoshikage Asakura · 2 episodesShow
2014Shinigami-kun2 episodesShow
2014Hanasaki Mai Speaks OutTakahiko Isobe · 1 episodeShow
2014The Hours of My LifeAkio Sawada · 11 episodesShow
2013KurokouchiUshii Takeshi · 10 episodesShow
2012Wonderful Single LifeShuji Tanigawa · 11 episodesShow
2011CSI: Crime Scene Talks1 episodeShow
2010HUNT - Tax Investigation OfficerShiro Kume · 8 episodesShow
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