Koji Seki
Where to watch Koji Seki in United States. On screen since 2012. Licensed apps only — 24 titles we track below.
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.
Where to watch their titles
JUJUTSU KAISEN
Fumi's Father (voice) · 2020
SPY x FAMILY
Rahden (voice) · 2022
Sword Art Online
Technical Staff (voice) · 2012
Haikyu!!
Kai Akakura (voice) · 2014
Frieren: Beyond Journey's End
Villager (voice) · 2023
Dan Da Dan
TV Station Producer (voice) · 2024
The Quintessential Quintuplets
Teacher (voice) · 2019
BLUE LOCK
Reporter B (voice) · 2022
Tower of God
(voice) · 2020
Star Wars: Visions
Eno's Father / Resistance Member (voice) · 2021
I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too
(voice) · 2023
HAIKYU!! The Dumpster Battle
Patient (voice) · 2024
I've Been Killing Slimes for 300 Years and Maxed Out My Level
Store Customer E (voice) · 2021
Sword Art Online the Movie – Progressive – Scherzo of Deep Night
Naijan (voice) · 2022
Daily Lives of High School Boys
Basketball Guy (voice) · 2012
NieR:Automata Ver1.1a
Kingdom Citizen (voice) · 2023
Yashahime: Princess Half-Demon
Thug (voice) · 2020
March Comes In Like a Lion
Authorized Person 3 (voice) · 2016
ID: INVADED
Staff (voice) · 2020
Orb: On the Movements of the Earth
Knight (voice) · 2024
You and I Are Polar Opposites
Convenience Store Manager (voice) · 2026
The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far
Sebas (voice) · 2023
Mission: Yozakura Family
Detective (voice) · 2024
Remake Our Life!
(voice) · 2021