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Koji Seki

Acting

Koji Seki

Born
(age 43)
Birthplace
Saitama, Japan
Credits
39 titles

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.

Latest project Best work, ranked IMDb

Signature work

Known For

Acting credits 39

YearTitleRole
2026 Star Wars: Visions Presents - The Ninth Jedi TV Satellite Digger (voice), Eesha's Father (voice), Villager on Samaz (voice) (2 ep)
2026 Akane-banashi TV Chusuke Chuotei (voice) (1 ep)
2026 You and I Are Polar Opposites TV Convenience Store Manager (voice) (2 ep)
2025 Inexpressive Kashiwada and Expressive Oota TV Mathematics Teacher (voice) (1 ep)
2025 Solo Camping for Two TV Izakaya Manager (voice) (1 ep)
2025 Turkey! Time to Strike TV Samurai (voice) (1 ep)
2025 Welcome to the Outcast's Restaurant! TV Merchant (voice) (1 ep)
2025 Summer Pockets TV (voice) (3 ep)
2025 Catch Me at the Ballpark! TV Kaiser (voice) (1 ep)
2024 Puniru Is a Kawaii Slime TV Academic Researchers (voice), Academic Researcher (voice) (2 ep)
2024 Orb: On the Movements of the Earth TV Knight (voice) (1 ep)
2024 Dan Da Dan TV TV Station Producer (voice), Male Client (voice), Male Teacher (voice) (1 ep)
2024 Let This Grieving Soul Retire TV Greg Zangief (voice) (24 ep)
2024 DAN DA DAN: First Encounter Film TV Station Producer (voice)
2024 Umamusume: Pretty Derby - Beginning of a New Era Film (voice)
2024 Mission: Yozakura Family TV Detective (voice), Battalion member (voice) (1 ep)
2024 HAIKYU!! The Dumpster Battle Film Patient (voice)
2023 The Apothecary Diaries TV Audience (voice) (1 ep)
2023 Tearmoon Empire TV Priest (voice), Man (voice), Soldier (voice), Merchant (voice) (2 ep)
2023 Frieren: Beyond Journey's End TV Villager (voice) (1 ep)
2023 I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too TV (voice) (7 ep)
2023 The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far TV Sebas (voice) (1 ep)
2023 NieR:Automata Ver1.1a TV Kingdom Citizen (voice), Machine Creature (voice) (1 ep)
2022 Sword Art Online the Movie – Progressive – Scherzo of Deep Night Film Naijan (voice)
2022 BLUE LOCK TV Reporter B (voice) (1 ep)
2022 SPY x FAMILY TV Rahden (voice) (1 ep)
2021 Star Wars: Visions TV Eno's Father / Resistance Member (voice) (1 ep)
2021 Remake Our Life! TV (voice) (1 ep)
2021 I've Been Killing Slimes for 300 Years and Maxed Out My Level TV Store Customer E (voice) (1 ep)
2021 Super Cub TV Clerk (voice) (2 ep)
2020 Yashahime: Princess Half-Demon TV Thug (voice), Old man (voice), Peddler (voice), Official (voice), Guard (voice), Villager (voice), Chimimoryo (voice), Bird of Paradise (voice), Peasant (voice), Townsfolk (voice), Subordinate (voice), Vassal (voice), Demon (voice), Fisherman (voice), Rock Demon (voice), Palanquin Carrier (voice), Green ogre (voice), Staff member (voice), Yokai (voice), Raccoon dog in Mamiana Island (voice) (1 ep)
2020 JUJUTSU KAISEN TV Fumi's Father (voice) (1 ep)
2020 Tower of God TV (voice) (1 ep)
2020 ID: INVADED TV Staff (voice) (1 ep)
2019 The Quintessential Quintuplets TV Teacher (voice), Homeroom Teacher (voice) (1 ep)
2016 March Comes In Like a Lion TV Authorized Person 3 (voice) (1 ep)
2014 Haikyu!! TV Kai Akakura (voice) (4 ep)
2012 Sword Art Online TV Technical Staff (voice), Goblin (voice) (1 ep)
2012 Daily Lives of High School Boys TV Basketball Guy (voice), Boy B (voice) (1 ep)
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