Acting
Koji Seki
Also Known As: Kouji Seki, 関 幸司, Kōji Seki
Birth Date
November 25, 1982
(43 years old)
Place of Birth
Saitama, Japan
Popularity
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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.
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JUJUTSU KAISEN
Fumi's Father (voice)
2020 • 1 episode
Frieren: Beyond Journey's End
Villager (voice)
2023 • 1 episode
SPY x FAMILY
Rahden (voice)
2022 • 1 episode
Haikyu!!
Kai Akakura (voice)
2014 • 4 episodes
Mission: Yozakura Family
Detective (voice)
2024 • 1 episode
Akane-banashi
Chusuke Chuotei (voice)
2026 • 1 episode
Sword Art Online
Technical Staff (voice)
2012 • 1 episode
You and I Are Polar Opposites
Convenience Store Manager (voice)
2026 • 2 episodes
Tower of God
(voice)
2020 • 1 episode
BLUE LOCK
Reporter B (voice)
2022 • 1 episode
March Comes In Like a Lion
Authorized Person 3 (voice)
2016 • 1 episode
Dan Da Dan
TV Station Producer (voice)
2024 • 1 episode
Super Cub
Clerk (voice)
2021 • 2 episodes
NieR:Automata Ver1.1a
Kingdom Citizen (voice)
2023 • 1 episode
Star Wars: Visions Presents - The Ninth Jedi
Satellite Digger (voice)
2026 • 2 episodes
Star Wars: Visions
Eno's Father / Resistance Member (voice)
2021 • 1 episode
Yashahime: Princess Half-Demon
Thug (voice)
2020 • 1 episode
The Quintessential Quintuplets
Teacher (voice)
2019 • 1 episode
Orb: On the Movements of the Earth
Knight (voice)
2024 • 1 episode
Catch Me at the Ballpark!
Kaiser (voice)
2025 • 1 episode