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