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Koji Seki

Known For
Acting

Known Credits
68

Gender
Male

Birthday
November 25, 1982 (43 years old)

Place of Birth
Saitama, Japan

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.

Known For

Acting

2026Akane-banashias Chusuke Chuotei (voice)
2026You and I Are Polar Oppositesas Convenience Store Manager (voice)
2025Inexpressive Kashiwada and Expressive Ootaas Mathematics Teacher (voice)
2025Solo Camping for Twoas Izakaya Manager (voice)
2025Turkey! Time to Strikeas Samurai (voice)
2025Welcome to the Outcast's Restaurant!as Merchant (voice)
2025Summer Pocketsas (voice)
2025Catch Me at the Ballpark!as Kaiser (voice)
2024Puniru Is a Kawaii Slimeas Academic Researcher (voice)
2024Puniru Is a Kawaii Slimeas Academic Researchers (voice)
2024Orb: On the Movements of the Earthas Knight (voice)
2024Dan Da Danas Male Client (voice)
2024Dan Da Danas Male Teacher (voice)
2024Dan Da Danas TV Station Producer (voice)
2024Let This Grieving Soul Retireas Greg Zangief (voice)
2024DAN DA DAN: First Encounteras TV Station Producer (voice)
2024Umamusume: Pretty Derby - Beginning of a New Eraas (voice)
2024Mission: Yozakura Familyas (voice)
2024Mission: Yozakura Familyas Battalion member (voice)
2024Mission: Yozakura Familyas Detective (voice)
2024HAIKYU!! The Dumpster Battleas Patient (voice)
2023Tearmoon Empireas Man (voice)
2023Tearmoon Empireas Merchant (voice)
2023Tearmoon Empireas Priest (voice)
2023Tearmoon Empireas Soldier (voice)
2023Frieren: Beyond Journey's Endas Villager (voice)
2023I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Tooas (voice)
2023The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Faras Sebas (voice)
2023NieR:Automata Ver1.1aas Kingdom Citizen (voice)
2023NieR:Automata Ver1.1aas Machine Creature (voice)
2022Sword Art Online the Movie – Progressive – Scherzo of Deep Nightas Naijan (voice)
2022BLUE LOCKas Reporter B (voice)
2022SPY x FAMILYas Rahden (voice)
2021Star Wars: Visionsas Eno's Father / Resistance Member (voice)
2021Remake Our Life!as (voice)
2021I've Been Killing Slimes for 300 Years and Maxed Out My Levelas Store Customer E (voice)
2021Super Cubas Clerk (voice)
2020Yashahime: Princess Half-Demonas Bird of Paradise (voice)
2020Yashahime: Princess Half-Demonas Chimimoryo (voice)
2020Yashahime: Princess Half-Demonas Demon (voice)
2020Yashahime: Princess Half-Demonas Fisherman (voice)
2020Yashahime: Princess Half-Demonas Green ogre (voice)
2020Yashahime: Princess Half-Demonas Guard (voice)
2020Yashahime: Princess Half-Demonas Official (voice)
2020Yashahime: Princess Half-Demonas Old man (voice)
2020Yashahime: Princess Half-Demonas Palanquin Carrier (voice)
2020Yashahime: Princess Half-Demonas Peasant (voice)
2020Yashahime: Princess Half-Demonas Peddler (voice)
2020Yashahime: Princess Half-Demonas Raccoon dog in Mamiana Island (voice)
2020Yashahime: Princess Half-Demonas Rock Demon (voice)
2020Yashahime: Princess Half-Demonas Staff member (voice)
2020Yashahime: Princess Half-Demonas Subordinate (voice)
2020Yashahime: Princess Half-Demonas Thug (voice)
2020Yashahime: Princess Half-Demonas Townsfolk (voice)
2020Yashahime: Princess Half-Demonas Vassal (voice)
2020Yashahime: Princess Half-Demonas Villager (voice)
2020Yashahime: Princess Half-Demonas Yokai (voice)
2020JUJUTSU KAISENas Fumi's Father (voice)
2020Tower of Godas (voice)
2020ID: INVADEDas Staff (voice)
2019The Quintessential Quintupletsas Homeroom Teacher (voice)
2019The Quintessential Quintupletsas Teacher (voice)
2016March Comes In Like a Lionas Authorized Person 3 (voice)
2014Haikyu!!as Kai Akakura (voice)
2012Sword Art Onlineas Goblin (voice)
2012Sword Art Onlineas Technical Staff (voice)
2012Daily Lives of High School Boysas Basketball Guy (voice)
2012Daily Lives of High School Boysas Boy B (voice)

Production