Koji Seki
Acting
1982-11-25 · Saitama, Japan
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.
Filmography(68)
tvAkane-banashi
as Chusuke Chuotei (voice) · 2026 · 8.4
tvYou and I Are Polar Opposites
as Convenience Store Manager (voice) · 2026 · 8.4
tvInexpressive Kashiwada and Expressive Oota
as Mathematics Teacher (voice) · 2025 · 7.0
tvSolo Camping for Two
as Izakaya Manager (voice) · 2025 · 7.3
tvTurkey! Time to Strike
as Samurai (voice) · 2025 · 6.7
tvWelcome to the Outcast's Restaurant!
as Merchant (voice) · 2025 · 7.3
tvSummer Pockets
as (voice) · 2025 · 6.8
tvCatch Me at the Ballpark!
as Kaiser (voice) · 2025 · 7.9
tvPuniru Is a Kawaii Slime
as Academic Researchers (voice) · 2024 · 7.7
tvPuniru Is a Kawaii Slime
as Academic Researcher (voice) · 2024 · 7.7
tvOrb: On the Movements of the Earth
as Knight (voice) · 2024 · 8.0
tvDan Da Dan
as TV Station Producer (voice) · 2024 · 8.5
tvDan Da Dan
as Male Client (voice) · 2024 · 8.5
tvDan Da Dan
as Male Teacher (voice) · 2024 · 8.5
tvLet This Grieving Soul Retire
as Greg Zangief (voice) · 2024 · 6.5
movieDAN DA DAN: First Encounter
as TV Station Producer (voice) · 2024 · 7.6
movieUmamusume: Pretty Derby - Beginning of a New Era
as (voice) · 2024 · 8.6
tvMission: Yozakura Family
as Detective (voice) · 2024 · 7.5
tvMission: Yozakura Family
as (voice) · 2024 · 7.5
tvMission: Yozakura Family
as Battalion member (voice) · 2024 · 7.5
movieHAIKYU!! The Dumpster Battle
as Patient (voice) · 2024 · 7.7
tvTearmoon Empire
as Priest (voice) · 2023 · 7.2
tvTearmoon Empire
as Man (voice) · 2023 · 7.2
tvTearmoon Empire
as Soldier (voice) · 2023 · 7.2