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Koji Seki

Koji Seki

ActingBorn November 25, 1982 (43 years old)

Saitama, Japan

IMDbWebsite

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.

Also known as: Kouji Seki, 関 幸司, Kōji Seki
Popularity: 0
Total credits: 37

Known For

JUJUTSU KAISEN
TV
★8.6

JUJUTSU KAISEN

as Fumi's Father (voice)

Frieren: Beyond Journey's End
TV
★8.8

Frieren: Beyond Journey's End

as Villager (voice)

Movies (4)

DAN DA DAN: First Encounter

DAN DA DAN: First Encounter

as TV Station Producer (voice)

2024

Umamusume: Pretty Derby - Beginning of a New Era

Umamusume: Pretty Derby - Beginning of a New Era

as (voice)

2024

HAIKYU!! The Dumpster Battle

TV Shows (33)

JUJUTSU KAISEN

JUJUTSU KAISEN

as Fumi's Father (voice)

1 ep.

Frieren: Beyond Journey's End

Frieren: Beyond Journey's End

as Villager (voice)

1 ep.

SPY x FAMILY

Photos

SPY x FAMILY
TV
★8.5

SPY x FAMILY

as Rahden (voice)

Haikyu!!
TV
★8.6

Haikyu!!

as Kai Akakura (voice)

Sword Art Online
TV
★8.2

Sword Art Online

as Technical Staff (voice)

Dan Da Dan
TV
★8.5

Dan Da Dan

as TV Station Producer (voice)

March Comes In Like a Lion
TV
★8.0

March Comes In Like a Lion

as Authorized Person 3 (voice)

Star Wars: Visions
TV
★7.1

Star Wars: Visions

as Eno's Father / Resistance Member (voice)

BLUE LOCK
TV
★8.2

BLUE LOCK

as Reporter B (voice)

Mission: Yozakura Family
TV
★7.6

Mission: Yozakura Family

as Detective (voice)

Yashahime: Princess Half-Demon
TV
★8.3

Yashahime: Princess Half-Demon

as Thug (voice)

Tower of God
TV
★8.2

Tower of God

as (voice)

JUJUTSU KAISEN
TV
★8.6

JUJUTSU KAISEN

as Fumi's Father (voice)

2020

Frieren: Beyond Journey's End
TV
★8.8

Frieren: Beyond Journey's End

as Villager (voice)

2023

SPY x FAMILY
TV
★8.5

SPY x FAMILY

as Rahden (voice)

2022

Haikyu!!
TV
★8.6

Haikyu!!

as Kai Akakura (voice)

2014

Sword Art Online
TV
★8.2

Sword Art Online

as Technical Staff (voice)

2012

Dan Da Dan
TV
★8.5

Dan Da Dan

as TV Station Producer (voice)

2024

March Comes In Like a Lion
TV
★8.0

March Comes In Like a Lion

as Authorized Person 3 (voice)

2016

Star Wars: Visions
TV
★7.1

Star Wars: Visions

as Eno's Father / Resistance Member (voice)

2021

BLUE LOCK
TV
★8.2

BLUE LOCK

as Reporter B (voice)

2022

Mission: Yozakura Family
TV
★7.6

Mission: Yozakura Family

as Detective (voice)

2024

Yashahime: Princess Half-Demon
TV
★8.3

Yashahime: Princess Half-Demon

as Thug (voice)

2020

Tower of God
TV
★8.2

Tower of God

as (voice)

2020

HAIKYU!! The Dumpster Battle

as Patient (voice)

2024

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

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

as Naijan (voice)

2022

DAN DA DAN: First Encounter

DAN DA DAN: First Encounter

as TV Station Producer (voice)

2024

Umamusume: Pretty Derby - Beginning of a New Era

Umamusume: Pretty Derby - Beginning of a New Era

as (voice)

2024

HAIKYU!! The Dumpster Battle

HAIKYU!! The Dumpster Battle

as Patient (voice)

2024

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

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

as Naijan (voice)

2022

SPY x FAMILY

as Rahden (voice)

1 ep.

Haikyu!!

Haikyu!!

as Kai Akakura (voice)

4 ep.

Sword Art Online

Sword Art Online

as Technical Staff (voice)

1 ep.

Dan Da Dan

Dan Da Dan

as TV Station Producer (voice)

1 ep.

March Comes In Like a Lion

March Comes In Like a Lion

as Authorized Person 3 (voice)

1 ep.

Star Wars: Visions

Star Wars: Visions

as Eno's Father / Resistance Member (voice)

1 ep.

BLUE LOCK

BLUE LOCK

as Reporter B (voice)

1 ep.

Mission: Yozakura Family

Mission: Yozakura Family

as Detective (voice)

1 ep.

Yashahime: Princess Half-Demon

Yashahime: Princess Half-Demon

as Thug (voice)

1 ep.

Tower of God

Tower of God

as (voice)

1 ep.

The Quintessential Quintuplets

The Quintessential Quintuplets

as Teacher (voice)

1 ep.

NieR:Automata Ver1.1a

NieR:Automata Ver1.1a

as Kingdom Citizen (voice)

1 ep.

You and I Are Polar Opposites

You and I Are Polar Opposites

as Convenience Store Manager (voice)

1 ep.

Catch Me at the Ballpark!

Catch Me at the Ballpark!

as Kaiser (voice)

1 ep.

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)

7 ep.

Orb: On the Movements of the Earth

Orb: On the Movements of the Earth

as Knight (voice)

1 ep.

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)

1 ep.

Summer Pockets

Summer Pockets

as (voice)

3 ep.

Let This Grieving Soul Retire

Let This Grieving Soul Retire

as Greg Zangief (voice)

24 ep.

Daily Lives of High School Boys

Daily Lives of High School Boys

as Basketball Guy (voice)

1 ep.

Akane-banashi

Akane-banashi

as Chusuke Chuotei (voice)

1 ep.

Puniru Is a Kawaii Slime

Puniru Is a Kawaii Slime

as Academic Researchers (voice)

2 ep.

JUJUTSU KAISEN

JUJUTSU KAISEN

as Fumi's Father (voice)

1 episodes

Frieren: Beyond Journey's End

Frieren: Beyond Journey's End

as Villager (voice)

1 episodes

SPY x FAMILY

SPY x FAMILY

as Rahden (voice)

1 episodes

Haikyu!!

Haikyu!!

as Kai Akakura (voice)

4 episodes

Sword Art Online

Sword Art Online

as Technical Staff (voice)

1 episodes

Dan Da Dan

Dan Da Dan

as TV Station Producer (voice)

1 episodes

March Comes In Like a Lion

March Comes In Like a Lion

as Authorized Person 3 (voice)

1 episodes

Star Wars: Visions

Star Wars: Visions

as Eno's Father / Resistance Member (voice)

1 episodes

BLUE LOCK

BLUE LOCK

as Reporter B (voice)

1 episodes

Mission: Yozakura Family

Mission: Yozakura Family

as Detective (voice)

1 episodes

Yashahime: Princess Half-Demon

Yashahime: Princess Half-Demon

as Thug (voice)

1 episodes

Tower of God

Tower of God

as (voice)

1 episodes

The Quintessential Quintuplets

The Quintessential Quintuplets

as Teacher (voice)

1 episodes

NieR:Automata Ver1.1a

NieR:Automata Ver1.1a

as Kingdom Citizen (voice)

1 episodes

You and I Are Polar Opposites

You and I Are Polar Opposites

as Convenience Store Manager (voice)

1 episodes

Catch Me at the Ballpark!

Catch Me at the Ballpark!

as Kaiser (voice)

1 episodes

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)

7 episodes

Orb: On the Movements of the Earth

Orb: On the Movements of the Earth

as Knight (voice)

1 episodes

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)

1 episodes

Summer Pockets

Summer Pockets

as (voice)

3 episodes

Let This Grieving Soul Retire

Let This Grieving Soul Retire

as Greg Zangief (voice)

24 episodes

Daily Lives of High School Boys

Daily Lives of High School Boys

as Basketball Guy (voice)

1 episodes

Akane-banashi

Akane-banashi

as Chusuke Chuotei (voice)

1 episodes

Puniru Is a Kawaii Slime

Puniru Is a Kawaii Slime

as Academic Researchers (voice)

2 episodes