Acting

Koji Seki

Born 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.

Credits

Newest first

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