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Koji Seki

Koji Seki

Koji Seki

Known for: Acting

Biography: 1982-11-25 (42 years old)

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.

Filmography

all 23

TV Shows 21

Voice 19

Producer 2

Movies 2

Academic Researchers (voice)

Puniru Is a Kawaii Slime

Puniru Is a Kawaii Slime (2024)

Male Client (voice) / TV Station Producer (voice)

Dan Da Dan

Dan Da Dan (2024)

Greg Zangief (voice)

Let This Grieving Soul Retire

Let This Grieving Soul Retire (2024)

TV Station Producer (voice)

DAN DA DAN: First Encounter

DAN DA DAN: First Encounter (2024)

Detective (voice) / Battalion member (voice) / (voice)

Mission: Yozakura Family

Mission: Yozakura Family (2024)

(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 (2023)

Sebas (voice)

The Aristocrat's Otherworldly Adventure

The Aristocrat's Otherworldly Adventure (2023)

Machine Creature (voice) / Kingdom Citizen (voice)

NieR:Automata Ver1.1a

NieR:Automata Ver1.1a (2023)

Naijan (voice)

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

Sword Art Online the Movie – Progressive – Scherzo of Deep Night (2022)

Reporter B (voice)

BLUE LOCK

BLUE LOCK (2022)

(voice)

Remake Our Life!

Remake Our Life! (2021)

Store Customer E (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 (2021)

Clerk (voice)

Super Cub

Super Cub (2021)

Castle Servant A

Dragon Goes House-Hunting

Dragon Goes House-Hunting (2021)

Villager (voice) / Vassal (voice) / Townsfolk (voice) / Yokai (voice) / Fisherman (voice) / Palanquin Carrier (voice) / Raccoon dog in Mamiana Island (voice) / Peddler (voice) / Official (voice) / Peasant (voice) / Guard (voice) / Subordinate (voice) / Demon (voice) / Rock Demon (voice) / Green ogre (voice) / Bird of Paradise (voice) / Staff member (voice) / Thug (voice) / Chimimoryo (voice) / Old man (voice)

Yashahime: Princess Half-Demon

Yashahime: Princess Half-Demon (2020)

Fumi's Father (voice)

Jujutsu Kaisen

Jujutsu Kaisen (2020)

(voice)

Tower of God

Tower of God (2020)

Homeroom Teacher (voice) / Teacher (voice)

The Quintessential Quintuplets

The Quintessential Quintuplets (2019)

Authorized Person 3 (voice)

March Comes In Like a Lion

March Comes In Like a Lion (2016)

Father Takasago

Urawa no Usagi-chan

Urawa no Usagi-chan (2015)

Kai Akakura (voice)

Haikyu!!

Haikyu!! (2014)

Goblin (voice) / Technical Staff (voice)

Sword Art Online

Sword Art Online (2012)

Boy B (voice) / Basketball Guy (voice)

Daily Lives of High School Boys

Daily Lives of High School Boys (2012)

Gallery

Koji Seki

Koji Seki

Koji Seki

Information

Known For
Acting

Gender
Male

Birthday
1982-11-25 (42 years old)

Birth Place
Saitama Prefecture, Japan

Height
169-centimeter

Citizenships
Japan

Also Known As
Kouji Seki, 関幸司, Kōji Seki

Last updated: 2025-03-02

Shinya Takahashi

Koji Seki

,

Shinya Takahashi worked together with Koji Seki in:

1 Movie

12 TV Shows

Kouichi Souma

Koji Seki

,

Kouichi Souma worked together with Koji Seki in:

1 Movie

6 TV Shows

Hiroki Yasumoto

Koji Seki

,

Hiroki Yasumoto worked together with Koji Seki in:

1 Movie

6 TV Shows

Natsuki Hanae

Koji Seki

,

Natsuki Hanae worked together with Koji Seki in:

1 Movie

5 TV Shows

Ryo Sugisaki

Koji Seki

,

Ryo Sugisaki worked together with Koji Seki in:

6 TV Shows

Nobuhiko Okamoto

Koji Seki

,

Nobuhiko Okamoto worked together with Koji Seki in:

6 TV Shows

Yoshitsugu Matsuoka

Koji Seki

,

Yoshitsugu Matsuoka worked together with Koji Seki in:

1 Movie

5 TV Shows

Kohsuke Toriumi

Koji Seki

,

Kohsuke Toriumi worked together with Koji Seki in:

5 TV Shows

Takahiro Sakurai

Koji Seki

,

Takahiro Sakurai worked together with Koji Seki in:

5 TV Shows

Aoi Yuki

Koji Seki

,

Aoi Yuki worked together with Koji Seki in:

5 TV Shows

Yoko Hikasa

Koji Seki

,

Yoko Hikasa worked together with Koji Seki in:

5 TV Shows

Kazuyuki Okitsu

Koji Seki

,

Kazuyuki Okitsu worked together with Koji Seki in:

5 TV Shows

Ryunosuke Watanuki

Koji Seki

,

Ryunosuke Watanuki worked together with Koji Seki in:

1 Movie

4 TV Shows

Chado Horii

Koji Seki

,

Chado Horii worked together with Koji Seki in:

5 TV Shows

Nobunaga Shimazaki

Koji Seki

,

Nobunaga Shimazaki worked together with Koji Seki in:

4 TV Shows

Shunsuke Sakuya

Koji Seki

,

Shunsuke Sakuya worked together with Koji Seki in:

4 TV Shows

Saori Onishi

Koji Seki

,

Saori Onishi worked together with Koji Seki in:

4 TV Shows

Ikuto Kanemasa

Koji Seki

,

Ikuto Kanemasa worked together with Koji Seki in:

4 TV Shows

Saki Hisamatsu

Koji Seki

,

Saki Hisamatsu worked together with Koji Seki in:

1 Movie

3 TV Shows

Hirotaka Nii

Koji Seki

,

Hirotaka Nii worked together with Koji Seki in:

4 TV Shows

Koji Seki
Filmography
Information
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