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IMDbPro

Kôji Seki(III)

  • Actor
IMDbProStarmeterSee rank
Kôji Seki was born on 25 November 1982 in Saitama Prefecture, Japan. He is an actor, known for Demon Slayer: Kimetsu No Yaiba Infinity Castle (2025), Dandadan (2024) and Cyborg 009: Nemesis (2026).
BornNovember 25, 1982
  • More at IMDbPro
    • Contact info
    • Agent info
BornNovember 25, 1982
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
    • TV Station Producer
    • Male Customer
    • Homeroom Teacher(voice)
    Cyborg 009: Nemesis (2026)
    Cyborg 009: Nemesis
    TV Series
    • Private Army
    • Panicking People(voice)
    Ultraman Omega (2025)
    Ultraman Omega
    7.1
    TV Series
    • Weather Forecaster(voice)

    Credits

    IMDbPro

    Actor

    • The Ghost in the Shell (2026)
      The Ghost in the Shell
      7.4
      TV Series
      • Secretary to the Minister of Home Affairs
      • Officer of Public Security Section 1
      • Cameraman (voice)
      • 2026
    • Sekai Saikyou no Kouei: Meikyuukoku no Shinjin Tansakusha (2026)
      Sekai Saikyou no Kouei: Meikyuukoku no Shinjin Tansakusha
      5.9
      TV Series
      • Eagle-headed Giant Soldier (voice)
      • 2026
    • Hanaori-san Still Wants to Fight in the Next Life (2026)
      Hanaori-san Still Wants to Fight in the Next Life
      6.6
      TV Series
      • Yuuto Tsukada (voice)
      • 2026
    • Liar Game (2026)
      Liar Game
      7.1
      TV Series
      • Nakadate (voice)
      • 2026
    • Cyborg 009: Nemesis (2026)
      Cyborg 009: Nemesis
      TV Series
      • Private Army
      • Panicking People (voice)
      • 2026
    • Skeleton Knight in Another World (2022)
      Skeleton Knight in Another World
      7.0
      TV Mini Series
      • Solider (voice)
      • 2026
    • You and I Are Polar Opposites (2026)
      You and I Are Polar Opposites
      8.2
      TV Series
      • Convenience Store Manager (voice)
      • 2026
    • Rich Girl Caretaker: I'm Secretly the Caregiver of the Most Popular Girl in This Rich Kid School (2026)
      Rich Girl Caretaker: I'm Secretly the Caregiver of the Most Popular Girl in This Rich Kid School
      7.2
      TV Series
      • Teacher A (voice)
      • 2026
    • Jaadugar: A Witch in Mongolia (2026)
      Jaadugar: A Witch in Mongolia
      8.5
      TV Series
      • Official (voice)
      • 2026
    • Mao (2026)
      Mao
      6.9
      TV Series
      • Disaster Victim (voice)
      • 2026
    • Akane-banashi (2026)
      Akane-banashi
      7.7
      TV Series
      • Chuusuke Chuuoutei (voice)
      • 2026
    • Agents of the Four Seasons: Dance of Spring (2026)
      Agents of the Four Seasons: Dance of Spring
      7.4
      TV Series
      • Winter Villager (voice)
      • 2026
    • Rooster Fighter (2026)
      Rooster Fighter
      7.1
      TV Series
      • Passerby (voice)
      • 2026
    • Sentenced to Be a Hero (2026)
      Sentenced to Be a Hero
      7.9
      TV Series
      • Holy Knight
      • Merchant
      • Military Man (voice)
      • 2026
    • Oshi No Ko (2023)
      Oshi No Ko
      8.3
      TV Series
      • Man (voice)
      • 2026

    Personal details

    • Official site
      • Official Site (Racoon Dog Profile)
    • Alternative name
      • Koji Seki
    • Height
      • 5′ 6½″ (1.69 m)
    • Born
      • November 25, 1982
      • Saitama Prefecture, Japan

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