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Koji Seki
ActorBorn November 25, 1982 (42 years)
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
| 2024 | Puniru Is a Cute Slime (TV Series) · as Academic Researchers (voice) |
| 2024 | Let This Grieving Soul Retire! (TV Series) · as Greg Zangief (voice) |
| 2024 | DAN DA DAN (TV Series) · as Male Client (voice) |
| 2024 | Dan Da Dan: First Encounter · as Tv Station Producer (voice) |
| 2024 | My Deer Friend Nokotan (TV Series) · as Police Officer |
| 2024 | The Elusive Samurai (TV Series) · as Settsu No Chikaaki |
| 2024 | My Oni Girl · as Head Clerk |
| 2024 | The Many Sides of Voice Actor Radio (TV Series) · as Male Fan |
| 2024 | Jellyfish Can't Swim in the Night (TV Series) · as Staff |
| 2024 | Mission: Yozakura Family (TV Series) · as Detective (voice) |
| 2024 | YATAGARASU: The Raven Does Not Choose Its Master (TV Series) · as Door Guard |
| 2024 | Touken Ranbu Kai: Kyoden Moyuru Honnouji (TV Series) · as Military Commander |
| 2024 | Re:Monster (TV Series) · as Fomorian |
| 2024 | Bucchigiri?! (TV Series) · as Dr. Matsunaka |
| 2024 | Sasaki and Peeps (TV Series) · as Bureau Staff |
| 2024 | Pon no Michi (TV Series) · as Furuta |
| 2024 | Fluffy Paradise (TV Series) · as Senior Vassal |
| 2023 | Tearmoon Empire (TV Series) · as Priest |
| 2023 | Under Ninja (TV Series) · as Male Student 3 |
| 2023 | Migi&Dali (TV Series) · as Doctor |
| 2023 | Saint Cecilia and Pastor Lawrence (TV Series) · as Townspeople |
| 2023 | I Got a Cheat Ability in a Different World, and Became Extraordinary Even in the Real World (TV Series) · as (voice) |
| 2023 | The Aristocrat’s Otherworldly Adventure: Serving Gods Who Go Too Far (TV Series) · as Sebas (voice) |
| 2023 | "Ippon" Again! (TV Series) · as Additional Voice |
| 2023 | NieR:Automata Ver1.1a (TV Series) · as Kingdom Citizen (voice) |
| 2023 | TRIGUN STAMPEDE (TV Series) · as Cast |
| 2022 | Sword Art Online the Movie: Progressive - Scherzo of Deep Night · as Naijan (voice) |
| 2022 | BLUE LOCK (TV Series) · as Reporter B (voice) |
| 2022 | Phantom of the Idol (TV Series) · as Cameraman |
| 2021 | |
| 2021 | Fena: Pirate Princess (TV Series) · as Villager |
| 2021 | Remake Our Life! (TV Series) · as (voice) |
| 2021 | I've Been Killing Slimes for 300 Years and Maxed Out My Level (TV Series) · as Store Customer E (voice) |
| 2021 | Super Cub (TV Series) · as Clerk (voice) |
| 2021 | Dragon Goes House-Hunting (TV Series) · as Castle Servant A |
| 2020 | Warlords of Sigrdrifa (TV Series) · as Makoto Oyama |
| 2020 | Yashahime: Princess Half-Demon (TV Series) · as Villager (voice) |
| 2020 | Jujutsu Kaisen (TV Series) · as Fumi's Father (voice) |
| 2020 | Tower of God (TV Series) · as (voice) |
| 2020 | ID: INVADED (TV Series) · as Employee |
| 2019 | Outburst Dreamer Boys (TV Series) · as Homeroom Teacher |
| 2019 | Try Knights (TV Series) · as Rugby Team Member |
| 2019 | The Quintessential Quintuplets (TV Series) · as Homeroom Teacher (voice) |
| 2019 | The Rising of the Shield Hero (TV Series) · as Official A |
| 2018 | As Miss Beelzebub Likes It. (TV Series) · as Laborer |
| 2018 | Ulysses: Jeanne d'Arc and the Alchemist Knight (TV Series) · as Captain |
| 2018 | Magical Girl Site (TV Series) · as Forensics Man |
| 2018 | B: The Beginning (TV Series) · as Others |
| 2018 | Death March to the Parallel World Rhapsody (TV Series) · as Boido |
| 2017 | 18if (TV Series) · as Producer |
| 2017 | Boruto: Naruto Next Generations (TV Series) · as Tsuzumi |
| 2017 | Akiba's Trip: The Animation (TV Series) · as Conglomerate Company Employee |
| 2016 | March Comes in Like a Lion (TV Series) · as Authorized Person 3 (voice) |
| 2016 | Tales of Zestiria the X (TV Series) · as Soldier |
| 2015 | Shomin Sample (TV Series) · as Muscle Corps |
| 2015 | Overlord (TV Series) · as Arche's Father |
| 2015 | Chaos Dragon (TV Series) · as Man B |
| 2015 | Urawa no Usagi-chan (TV Series) · as Father Takasago |
| 2015 | World Break: Aria of Curse for a Holy Swordsman (TV Series) · as Bodyguard |
| 2014 | Haikyu!! (TV Series) · as Kai Akakura (voice) |
| 2012 | Sword Art Online (TV Series) · as Technical Staff (voice) |
| 2012 | Sengoku Collection (TV Series) · as Yamanaka |
| 2012 | Daily Lives of High School Boys (TV Series) · as Boy B (voice) |
| 2005 | Gintama (TV Series) · as Renho A |