Release calendarTop 250 moviesMost popular moviesBrowse movies by genreTop box officeShowtimes & ticketsMovie newsIndia movie spotlight
    What's on TV & streamingTop 250 TV showsMost popular TV showsBrowse TV shows by genreTV news
    What to watchLatest trailersIMDb OriginalsIMDb PicksIMDb SpotlightFamily entertainment guideIMDb Podcasts
    OscarsPrimetime EmmysToronto Int'l Film FestivalFall TV GuideMost Anticipated This MonthSTARmeter AwardsAwards CentralFestival CentralAll events
    Born todayTrending peopleCelebrity news
    IMDb LabsHelp centerContributor zonePolls
For industry professionals
  • Language
  • Fully supported
  • English (United States)
    Partially supported
    Some content may be auto-translated
  • Français (Canada)
  • Français (France)
  • Deutsch (Deutschland)
  • हिंदी (भारत)
  • Italiano (Italia)
  • Português (Brasil)
  • Español (España)
  • Español (México)
Watchlist
Sign in
  • Fully supported
  • English (United States)
    Partially supported
    Some content may be auto-translated
  • Français (Canada)
  • Français (France)
  • Deutsch (Deutschland)
  • हिंदी (भारत)
  • Italiano (Italia)
  • Português (Brasil)
  • Español (España)
  • Español (México)
Use app
  • Biography
IMDbPro

Koki Koyasu

  • Actor
IMDbProStarmeterSee rank
Koki Koyasu was born on 9 January 1994 in Tokyo, Japan. He is an actor, known for Demon Slayer: Kimetsu No Yaiba Infinity Castle (2025), Dandadan (2024) and Buddy Mission Bond (2021).
BornJanuary 9, 1994
  • More at IMDbPro
    • Contact info
    • Agent info
BornJanuary 9, 1994
IMDbProStarmeterSee rank
Add photos, demo reels
  • View contact info at IMDbPro

    • Known for

    Akira Ishida, Takahiro Sakurai, and Natsuki Hanae in Demon Slayer: Kimetsu No Yaiba Infinity Castle (2025)
    Demon Slayer: Kimetsu No Yaiba Infinity Castle
    8.4
    • Actor(voice)
    • 2025
    Kazuya Nakai, Mayumi Tanaka, Shion Wakayama, Nana Mizuki, Ayane Sakura, Natsuki Hanae, and Kaito Ishikawa in Dandadan (2024)
    Dandadan
    8.3
    TV Series
    • Male Student A(voice)
    Buddy Mission Bond (2021)
    Buddy Mission Bond
    Video Game
    • Actor(voice)
    • 2021
    Master Detective Archives: Rain Code (2023)
    Master Detective Archives: Rain Code
    7.6
    Video Game
    • Actor(voice)
    • 2023

    Credits

    IMDbPro

    Actor

    • Marvel Tokon: Fighting Souls (2026)
      Marvel Tokon: Fighting Souls
      7.6
      Video Game
      • Additional Voices
      • 2026
    • Welcome to Demon-School, Iruma-kun (2019)
      Welcome to Demon-School, Iruma-kun
      7.6
      TV Series
      • Student (voice)
      • 2026
    • Kunon the Sorcerer Can See (2026)
      Kunon the Sorcerer Can See
      6.2
      TV Series
      • Hank Beat (voice)
      • 2026
    • Gnosia (2025)
      Gnosia
      7.3
      TV Series
      • Escape Pod Voice
      • 2025
    • Inazuma Eleven: Victory Road (2025)
      Inazuma Eleven: Victory Road
      7.7
      Video Game
      • Kotani Shou (as Koyasu Kouki)
      • 2025
    • Call of the Night (2022)
      Call of the Night
      7.6
      TV Series
      • Kai (voice)
      • 2022–2025
    • Everybody's Golf: Hot Shots (2025)
      Everybody's Golf: Hot Shots
      Video Game
      • Gangol (voice)
      • 2025
    • Akira Ishida, Takahiro Sakurai, and Natsuki Hanae in Demon Slayer: Kimetsu No Yaiba Infinity Castle (2025)
      Demon Slayer: Kimetsu No Yaiba Infinity Castle
      8.4
      • (voice)
      • 2025
    • The 100 Girlfriends Who Really, Really, Really, Really, REALLY Love You (2023)
      The 100 Girlfriends Who Really, Really, Really, Really, REALLY Love You
      7.0
      TV Series
      • Researcher C (voice)
      • 2025
    • Kazuya Nakai, Mayumi Tanaka, Shion Wakayama, Nana Mizuki, Ayane Sakura, Natsuki Hanae, and Kaito Ishikawa in Dandadan (2024)
      Dandadan
      8.3
      TV Series
      • Male Student A (voice)
      • 2024
    • Shadowverse (2020)
      Shadowverse
      6.0
      TV Series
      • Omas's Friends (voice)
      • 2024
    • The Banished Former Hero Lives as He Pleases (2024)
      The Banished Former Hero Lives as He Pleases
      5.1
      TV Series
      • Curtis (voice)
      • 2024
    • Takahiro Sakurai, Toshihiko Seki, Hôchû Ôtsuka, Hiro Shimono, Satoshi Hino, Yoshitsugu Matsuoka, Shizuka Ishigami, and Akari Kitô in Demon Slayer: Kimetsu no Yaiba (2019)
      Demon Slayer: Kimetsu no Yaiba
      8.5
      TV Series
      • (voice)
      • 2024
    • Eiyuden Chronicle: Hundred Heroes (2024)
      Eiyuden Chronicle: Hundred Heroes
      7.0
      Video Game
      • Reid (voice)
      • 2024
    • Berserk of Gluttony (2023)
      Berserk of Gluttony
      6.8
      TV Series
      • Luke Barbatos (voice)
      • 2023

    Personal details

    • Alternative names
      • Koyasu Kouki
    • Born
      • January 9, 1994
      • Tokyo, Japan
    • Parents
      • Takehito Koyasu

    Contribute to this page

    Suggest an edit or add missing content
    • Learn more about contributing
    Edit page

    More to explore

    Recently viewed

    You have no recently viewed pages
    Get the IMDb app
    Sign in for more accessSign in for more access
    Follow IMDb on social
    Get the IMDb app
    For Android and iOS
    Get the IMDb app
    • Help
    • Site Index
    • IMDbPro
    • Box Office Mojo
    • License IMDb Data
    • Press Room
    • Advertising
    • Jobs
    • Conditions of Use
    • Privacy Policy
    • Your Ads Privacy Choices
    IMDb, an Amazon company

    © 1990-2026 by IMDb.com, Inc.