Koji Seki

Actor · born 25 November 1982 · Saitama, Japan

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 start: HAIKYU!! The Dumpster Battle (2024).

As actor 4

DAN DA DAN: First Encounter (2024) poster

DAN DA DAN: First Encounter

2024 · 7.5/10

Umamusume: Pretty Derby - Beginning of a New Era (2024) poster

Umamusume: Pretty Derby - Beginning of a New Era

2024 · 8.6/10

HAIKYU!! The Dumpster Battle (2024) poster

HAIKYU!! The Dumpster Battle

2024 · 7.9/10

Absolute Cinema

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

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

2022 · 7.7/10

TV shows 24

Star Wars: Visions Presents - The Ninth Jedi (2026) poster

Star Wars: Visions Presents - The Ninth Jedi

TV · 2026 · 7.5/10

You and I Are Polar Opposites (2026) poster

You and I Are Polar Opposites

TV · 2026 · 8.6/10

Absolute Cinema

Summer Pockets (2025) poster

Summer Pockets

TV · 2025 · 6.9/10

Puniru Is a Kawaii Slime (2024) poster

Puniru Is a Kawaii Slime

TV · 2024 · 7.7/10

Dan Da Dan (2024) poster

Dan Da Dan

TV · 2024 · 8.5/10

Absolute Cinema

Let This Grieving Soul Retire (2024) poster

Let This Grieving Soul Retire

TV · 2024 · 6.6/10

The Apothecary Diaries (2023) poster

The Apothecary Diaries

TV · 2023 · 8.7/10

Absolute Cinema

Tearmoon Empire (2023) poster

Tearmoon Empire

TV · 2023 · 7.1/10

Frieren: Beyond Journey's End (2023) poster

Frieren: Beyond Journey's End

TV · 2023 · 8.8/10

Absolute Cinema

I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too (2023) poster

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

TV · 2023 · 8.2/10

Absolute Cinema

NieR:Automata Ver1.1a (2023) poster

NieR:Automata Ver1.1a

TV · 2023 · 8.1/10

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BLUE LOCK (2022) poster

BLUE LOCK

TV · 2022 · 8.3/10

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SPY x FAMILY (2022) poster

SPY x FAMILY

TV · 2022 · 8.5/10

Absolute Cinema

Star Wars: Visions (2021) poster

Star Wars: Visions

TV · 2021 · 7.1/10

I've Been Killing Slimes for 300 Years and Maxed Out My Level (2021) poster

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

TV · 2021 · 7.8/10

Super Cub (2021) poster

Super Cub

TV · 2021 · 7.3/10

Yashahime: Princess Half-Demon (2020) poster

Yashahime: Princess Half-Demon

TV · 2020 · 8.3/10

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JUJUTSU KAISEN (2020) poster

JUJUTSU KAISEN

TV · 2020 · 8.6/10

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Tower of God (2020) poster

Tower of God

TV · 2020 · 8.1/10

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The Quintessential Quintuplets (2019) poster

The Quintessential Quintuplets

TV · 2019 · 8.4/10

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March Comes In Like a Lion (2016) poster

March Comes In Like a Lion

TV · 2016 · 8.0/10

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Haikyu!! (2014) poster

Haikyu!!

TV · 2014 · 8.6/10

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Sword Art Online (2012) poster

Sword Art Online

TV · 2012 · 8.1/10

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Daily Lives of High School Boys (2012) poster

Daily Lives of High School Boys

TV · 2012 · 8.0/10

Absolute Cinema

Frequently asked questions

What is the best Koji Seki movie?

By viewer score, HAIKYU!! The Dumpster Battle (2024) at 7.9/10.

What are Koji Seki’s most popular movies?

HAIKYU!! The Dumpster Battle, Sword Art Online the Movie – Progressive – Scherzo of Deep Night.

How many movies has Koji Seki made?

4 films on TMDB, 4 as actor.