Koji Seki

Koji Seki

Actor Nov 25 (age 43) Saitama, Japan 2012–2026 (14 year career)

7.8 avg rating

Biography

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.

Known For

HAIKYU!! The Dumpster Battle

HAIKYU!! The Dumpster Battle

Patient (voice)

Sword Art Online the Movie – Progressive – Scherzo of Deep Night

Sword Art Online the Movie – Progressive – Scherzo of Deep Night

Naijan (voice)

Umamusume: Pretty Derby - Beginning of a New Era

Umamusume: Pretty Derby - Beginning of a New Era

(voice)

Let This Grieving Soul Retire

Let This Grieving Soul Retire

Greg Zangief (voice)

DAN DA DAN: First Encounter

DAN DA DAN: First Encounter

TV Station Producer (voice)

JUJUTSU KAISEN

JUJUTSU KAISEN

Fumi's Father (voice)

SPY x FAMILY

SPY x FAMILY

Rahden (voice)

Haikyu!!

Haikyu!!

Kai Akakura (voice)

Filmography

Acting (37)

·

Movies (4)

HAIKYU!! The Dumpster Battle

HAIKYU!! The Dumpster Battle

as Patient (voice)

Umamusume: Pretty Derby - Beginning of a New Era

Umamusume: Pretty Derby - Beginning of a New Era

as (voice)

DAN DA DAN: First Encounter

DAN DA DAN: First Encounter

as TV Station Producer (voice)

Sword Art Online the Movie – Progressive – Scherzo of Deep Night

Sword Art Online the Movie – Progressive – Scherzo of Deep Night

as Naijan (voice)

Television (33)

You and I Are Polar Opposites

You and I Are Polar Opposites

as Convenience Store Manager (voice)

Akane-banashi

Akane-banashi

as Chusuke Chuotei (voice)

Summer Pockets

Summer Pockets

as (voice)

Catch Me at the Ballpark!

Catch Me at the Ballpark!

as Kaiser (voice)

Inexpressive Kashiwada and Expressive Oota

Inexpressive Kashiwada and Expressive Oota

as Mathematics Teacher (voice)

Turkey! Time to Strike

Turkey! Time to Strike

as Samurai (voice)

Solo Camping for Two

Solo Camping for Two

as Izakaya Manager (voice)

Welcome to the Outcast's Restaurant!

Welcome to the Outcast's Restaurant!

as Merchant (voice)

Dan Da Dan

Dan Da Dan

as TV Station Producer (voice)

Mission: Yozakura Family

Mission: Yozakura Family

as Detective (voice)

Orb: On the Movements of the Earth

Orb: On the Movements of the Earth

as Knight (voice)

Puniru Is a Kawaii Slime

Puniru Is a Kawaii Slime

as Academic Researchers (voice)

Let This Grieving Soul Retire

Let This Grieving Soul Retire

as Greg Zangief (voice)

Frieren: Beyond Journey's End

Frieren: Beyond Journey's End

as Villager (voice)

I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too

I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too

as (voice)

NieR:Automata Ver1.1a

NieR:Automata Ver1.1a

as Machine Creature (voice)

Tearmoon Empire

Tearmoon Empire

as Soldier (voice)

The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far

The Aristocrat's Otherworldly Adventure: Serving Gods Who Go Too Far

as Sebas (voice)

SPY x FAMILY

SPY x FAMILY

as Rahden (voice)

BLUE LOCK

BLUE LOCK

as Reporter B (voice)

Star Wars: Visions

Star Wars: Visions

as Eno's Father / Resistance Member (voice)

I've Been Killing Slimes for 300 Years and Maxed Out My Level

I've Been Killing Slimes for 300 Years and Maxed Out My Level

as Store Customer E (voice)

Super Cub

Super Cub

as Clerk (voice)

Remake Our Life!

Remake Our Life!

as (voice)

JUJUTSU KAISEN

JUJUTSU KAISEN

as Fumi's Father (voice)

Tower of God

Tower of God

as (voice)

Yashahime: Princess Half-Demon

Yashahime: Princess Half-Demon

as Thug (voice)

ID: INVADED

ID: INVADED

as Staff (voice)

The Quintessential Quintuplets

The Quintessential Quintuplets

as Teacher (voice)

March Comes In Like a Lion

March Comes In Like a Lion

as Authorized Person 3 (voice)

Haikyu!!

Haikyu!!

as Kai Akakura (voice)

Sword Art Online

Sword Art Online

as Goblin (voice)

Daily Lives of High School Boys

Daily Lives of High School Boys

as Basketball Guy (voice)