Koji Seki
Acting
Biography
No overview available.
Known For
JUJUTSU KAISEN
Fumi's Father (voice)
SPY x FAMILY
Rahden (voice)
Sword Art Online
Technical Staff (voice) / Goblin (voice)
Haikyu!!
Kai Akakura (voice)
Dan Da Dan
TV Station Producer (voice) / Male Teacher (voice) / Male Client (voice)
The Quintessential Quintuplets
Homeroom Teacher (voice) / Teacher (voice)
Frieren: Beyond Journey's End
Villager (voice)
BLUE LOCK
Reporter B (voice)
Acting History
2025
Inexpressive Kashiwada and Expressive Oota
TVas Mathematics Teacher (voice)
Summer Pockets
TVas (voice)
Turkey! Time to Strike
TVas Samurai (voice)
Solo Camping for Two
TVas Izakaya Manager (voice)
Welcome to the Outcast's Restaurant!
TVas Merchant (voice)
Catch Me at the Ballpark!
TVas Kaiser (voice)
2024
HAIKYU!! The Dumpster Battle
as Patient (voice)
DAN DA DAN: First Encounter
as TV Station Producer (voice)
Let This Grieving Soul Retire
TVas Greg Zangief (voice)
Puniru Is a Kawaii Slime
TVas Academic Researchers (voice) / Academic Researcher (voice)
Dan Da Dan
TVas TV Station Producer (voice) / Male Teacher (voice) / Male Client (voice)
Mission: Yozakura Family
TVas Detective (voice) / Battalion member (voice) / (voice)
Orb: On the Movements of the Earth
TVas Knight (voice)
2023
Frieren: Beyond Journey's End
TVas Villager (voice)
NieR:Automata Ver1.1a
TVas Machine Creature (voice) / Kingdom Citizen (voice)
The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far
TVas Sebas (voice)
Tearmoon Empire
TVas Priest (voice) / Man (voice) / Soldier (voice) / Merchant (voice)
2022
Sword Art Online the Movie – Progressive – Scherzo of Deep Night
as Naijan (voice)
SPY x FAMILY
TVas Rahden (voice)
BLUE LOCK
TVas Reporter B (voice)
2021
Remake Our Life!
TVas (voice)
I've Been Killing Slimes for 300 Years and Maxed Out My Level
TVas Store Customer E (voice)
Star Wars: Visions
TVas Eno's Father / Resistance Member (voice)
Super Cub
TVas Clerk (voice)
2020
Tower of God
TVas (voice)
Yashahime: Princess Half-Demon
TVas Villager (voice) / Vassal (voice) / Townsfolk (voice) / Yokai (voice) / Peddler (voice) / Chimimoryo (voice) / Official (voice) / Palanquin Carrier (voice) / Green ogre (voice) / Raccoon dog in Mamiana Island (voice) / Peasant (voice) / Demon (voice) / Staff member (voice) / Bird of Paradise (voice) / Thug (voice) / Guard (voice) / Old man (voice) / Fisherman (voice) / Rock Demon (voice) / Subordinate (voice)
ID: INVADED
TVas Staff (voice)
JUJUTSU KAISEN
TVas Fumi's Father (voice)
2019
The Quintessential Quintuplets
TVas Homeroom Teacher (voice) / Teacher (voice)
2016
March Comes In Like a Lion
TVas Authorized Person 3 (voice)
2014
Haikyu!!
TVas Kai Akakura (voice)
2012
Daily Lives of High School Boys
TVas Boy B (voice) / Basketball Guy (voice)
Sword Art Online
TVas Technical Staff (voice) / Goblin (voice)