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.
2026What We Call HappinessMovie
2026The Devil's BalladTV show2 episodes
2024Unmet: Diary of a NeurosurgeonTV showas Takami Takeshi · 11 episodes
2023The Inugami FamilyTV showas Isokawa · 2 episodes
2023Wave, Listen to Me!TV showas Kureko Katsumi · 8 episodes2022The Files of Young KindaichiTV showas Ken Izumaru · 2 episodes
2022What Do You Really Do About Love?TV showas Jiro Okashita · 10 episodes
2022We're Both GroomsMovieas Seto Takeshi
2022Evil God's Balance Public Security Analysis TeamTV showas Shuzo Kunieda · 10 episodes
2022Two People Who Can't Fall in LoveTV show8 episodes
2022The Sunday RunoffMovie
2021The Agent FamilyTV showas Toshio Sato · 1 episodes
2020Memory's TechniqueMovieas Kazuno Tadashi
2020The Sun Does Not MoveTV showas Miura · 6 episodes
2020Gourmet Detective Goro AkechiTV showas Yasuya Dateh · 1 episodes
2020Care Nin 2: The Flower in Your HeartMovieas Hirofumi Kudo
2020One Left Hand ShotMovie2020Fukushima 50Movieas Chairman of Japanese Nuclear Safety Commission
2020Nozaki Shuhei President of BankTV showas Ryoma Kashiwagi · 5 episodes
2020MellowMovieas Furukawa Sakon
2019YatsuhakamuraMovieas 磯川警部
2019Sherlock: Untold StoriesTV showas Takahisa Inui · 1 episodes
2019VoiceTV showas Kenichi Tadokoro · 10 episodes
2019Only the Cat KnowsMovieas Masaki
2019A Long GoodbyeMovie
2019Innocence, Fight Against False ChargesTV showas Rintaro Ibusuki · 10 episodes
2018For Love's SakeMovie
2018SuitsTV showas Yukio Karashima · 1 episodes2018Perfect WorldMovie
2018Neck Bowed in the RainMovieas Jingoro Gyoda2018My Friend "A"Movieas President Kawashima
2018White and Yellow ~My Pancake Story from Hawaii~TV showas Sawano Kyoji [Nami's uncle] · 25 episodes2018Colors of WindMovieas Kitta2018Kiss that KillsTV showas Gunji Arai · 10 episodes
2018Nozaki Shuhei - Auditor of BankTV showas Ryoma Kashiwagi · 8 episodes
2017Tales of the Bizarre: 2017 Fall SpecialMovie
2017FACE - Cyber Hanzai TokusouhanTV show10 episodes
2017Akira and AkiraTV show1 episodes
2017Care NinMovieas Hirofumi Kudo2017RadianceMovieas Sano
2017ErrorMovie
2017CRISIS: Special Security SquadTV show1 episodes
2017Blossoming Into a FamilyMovieas Seishiro Ishikawa
2016Death on Gokumon IslandMovieas Inspector Isokawa
2016Prison Gate IslandMovieas Inspector Isokawa
2016The Tokyo Wind OrchestraMovieas Kazuya Tachibana2016Cold Case: Door of TruthTV showas Yasui · 1 episodes
2016SniperMovieas Satoru Kanbe
2016Destiny-Like LoveTV showas Fujii Yoji · 8 episodes
2016Somebody's XylophoneMovie
2016Lost IDTV showas Baba · 9 episodes
201699.9 Criminal LawyerTV showas Inaba · 2 episodes
2016Moribito: Guardian of the SpiritTV showas The Cooles · 9 episodes
2015GodanTV showas Koji Mashima · 6 episodes2015Ghost TheaterMovieas Gota Nishikino
2015Before a Falling Star Fades AwayMovieas 奈緒子の父
2015GassohMovie
2015Till Death Do Us What?Movieas Yamashita
2015Scarecrow and Racket: Aki and Tamako’s Summer VacationMovieas Masaya Odagiri
2014Miracle: Devil Claus' Love and MagicMovieas Natsuki Kurita2014Nobunaga ConcertoTV showas Yoshikage Asakura · 2 episodes
2014A Samurai ChronicleMovie2014Rurouni Kenshin Part III: The Legend EndsMovieas Toshiyoshi Kawaji2014Rurouni Kenshin Part II: Kyoto InfernoMovieas Toshiyoshi Kawaji
2014Shinigami-kunTV show2 episodes
2014Hanasaki Mai Speaks OutTV showas Takahiko Isobe · 1 episodes
2014Tokyo RefugeesMovieas Kobayakawa2014The Hours of My LifeTV showas Akio Sawada · 11 episodes
2013KurokouchiTV showas Ushii Takeshi · 10 episodes
2013The End of SummerMovie
2012Wonderful Single LifeTV showas Shuji Tanigawa · 11 episodes
2012Piece: Fragments of a MemoryMovieas Tojiro Tsuda
2011CSI: Crime Scene TalksTV show1 episodes
2010Osaka Love & SoulMovie
2010HUNT - Tax Investigation OfficerTV showas Shiro Kume · 8 episodes
2010Ekeb of DekyeMovieas Kenzo Furuyama
2010Perfect BlueMovie
2010Ai wa mieru: Zenmô fûfu ni yadotta chiisana inochiMovie
2010Steel FrameTV show5 episodes
2010Azamijô no lullabyTV show1 episodes
2010Bungo Japanese Literature CinemaTV showas Muramatsu · 1 episodes
2010RyōmadenTV show48 episodes
2009The Summit: A Chronicle Of Stones to SerenityMovieas Kinjiro Okano
2009The VultureMovie2009MR.BRAINTV show1 episodes
2007Walking My LifeMovieas Wakaizumi2007GalileoTV showas Hiroshi Kamimura · 1 episodes
2007SixteenMovieas Sawazaki
2006Attention PleaseTV showas Makoto Watanabe · 11 episodes
2006Angels with Broken WingsTV showas Sugawara · 1 episodes2005ReincarnationMovieas Yamanaka Producer
2005Umanohone: The Legendary SwordTV show1 episodes
2005Matrilineal FamilyTV show2 episodes
2005Ichigo ChipsMovieas Sakai2004The Hidden BladeMovie
2004Locomotive TeacherMovie
2004No-Pants Girls: Movie Box-ing2Movie
2004AntennaMovieas Shigenobu
2003Karaoke TerrorMovie2002AIBOU: Tokyo Detective DuoTV show1 episodes
2002ConcentMovieas Yamagishi2001Platonic SexMovie
2001Stake OutMovieas Tasuku Yoshioka2001HeroTV showas Yagi · 1 episodes
1999Samurai Shodown 2Movieas Galford
1999Samurai Spirits 2: Asura ZanmadenTV showas Galford · 2 episodes
1999Emergency Room 24 HoursTV showas Manabu Hibiya（日比谷 学） · 12 episodes
1995The Files of the Young KindaichiTV showas Ken Izumaru · 2 episodes