Koji Seki

Biography

Koji Seki (関 幸司, Seki Kōji, born November 25, 1982) is a Japanese voice actor from Saitama Prefecture who is affiliated with Raccoon Dog. He graduated from Pro-Fit Voice Actor Training School and joined the agency Pro-Fit. On April 1, 2022, he transferred to Raccoon Dog.

Personal Facts

Known For

Acting

Gender

male

Known Credits

5

Birth Date

1982-11-25 00:00:00

Birth Place

Saitama, Japan

Known For

• 

  Sword Art Online the Movie – Progressive – Scherzo of Deep Night
• 

  DAN DA DAN: First Encounter
• 

  Umamusume: Pretty Derby - Beginning of a New Era
• 

  HAIKYU!! The Dumpster Battle

Credits

• actors (5 credits)

  • You and I Are Polar Opposites

    - Dilemma of a Winter's Night (2026) ... Convenience Store Manager (voice) actor actors

    - Surprise! (2026) ... Convenience Store Manager (voice) actor actors
    2026
  • DAN DA DAN: First Encounter

    TV Station Producer (voice)

    actor

    actors
    2024
  • Umamusume: Pretty Derby - Beginning of a New Era

    (voice)

    actor

    actors
    2024
  • HAIKYU!! The Dumpster Battle

    Patient (voice)

    actor

    actors
    2024
  • Sword Art Online the Movie – Progressive – Scherzo of Deep Night

    Naijan (voice)

    actor

    actors
    2022