TV Shows (Acting Roles)
Ages in TV shows are based off the first air date and may not be accurate. View individual episode details for accurate agesDan Da Dan
Koji Seki was
41+ in Dan Da Dan
as 'TV Station Producer (voice), Male Client (voice), Male Teacher (voice)'.
First Air Date
Fri, Oct 04 2024
NieR:Automata Ver1.1a
Koji Seki was
40+ in NieR:Automata Ver1.1a
as 'Kingdom Citizen (voice), Machine Creature (voice)'.
First Air Date
Sun, Jan 08 2023
BLUE LOCK
Koji Seki was
39+ in BLUE LOCK
as 'Reporter B (voice)'.
First Air Date
Sun, Oct 09 2022
Remake Our Life!
Koji Seki was
38+ in Remake Our Life!
as '(voice)'.
First Air Date
Sat, Jul 03 2021
Super Cub
Koji Seki was
38+ in Super Cub
as 'Clerk (voice)'.
First Air Date
Wed, Apr 07 2021
Yashahime: Princess Half-Demon
Koji Seki was
37+ in Yashahime: Princess Half-Demon
as 'Thug (voice), Official (voice), Peddler (voice), Guard (voice), Old man (voice), Chimimoryo (voice), Villager (voice), Peasant (voice), Bird of Paradise (voice), Subordinate (voice), Townsfolk (voice), Vassal (voice), Fisherman (voice), Demon (voice), Rock Demon (voice), Palanquin Carrier (voice), Green ogre (voice), Staff member (voice), Yokai (voice), Raccoon dog in Mamiana Island (voice)'.
First Air Date
Sat, Oct 03 2020
Jujutsu Kaisen
Koji Seki was
37+ in Jujutsu Kaisen
as 'Fumi's Father (voice)'.
First Air Date
Sat, Oct 03 2020
Tower of God
Koji Seki was
37+ in Tower of God
as '(voice)'.
First Air Date
Thu, Apr 02 2020
The Quintessential Quintuplets
Koji Seki was
36+ in The Quintessential Quintuplets
as 'Teacher (voice), Homeroom Teacher (voice)'.
First Air Date
Fri, Jan 11 2019
March Comes In Like a Lion
Koji Seki was
33+ in March Comes In Like a Lion
as 'Authorized Person 3 (voice)'.
First Air Date
Sat, Oct 08 2016
Haikyu!!
Koji Seki was
31+ in Haikyu!!
as 'Kai Akakura (voice)'.
First Air Date
Sun, Apr 06 2014
Sword Art Online
Koji Seki was
29+ in Sword Art Online
as 'Technical Staff (voice), Goblin (voice)'.
First Air Date
Sun, Jul 08 2012
Daily Lives of High School Boys
Koji Seki was
29+ in Daily Lives of High School Boys
as 'Basketball Guy (voice), Boy B (voice)'.
First Air Date
Tue, Jan 10 2012