TMBTMB
TMBTMB

Track, discover and find where to watch TV shows and movies.

Discover

  • Movies
  • TV Shows
  • Browse
  • Topics

Account

  • Watchlist
  • Watched
  • Ratings

Legal

  • Privacy Policy
  • Terms of Service
  • Content Policy

© 2026 Movie Browser. All rights reserved.

Data provided by TMDB

Home
Browse
Watchlist
Koji Seki profile photo

Koji Seki

Acting
November 25, 1982 (43 years old)
Saitama, Japan
Popularity: 0
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

Recent & Upcoming

DAN DA DAN: First Encounter movie poster (2024)
7.6

DAN DA DAN: First Encounter

TV Station Producer (voice) • Aug 2024

Known For

JUJUTSU KAISEN series poster (2020)
8.6

JUJUTSU KAISEN

Fumi's Father (voice)

SPY x FAMILY series poster (2022)
8.5

SPY x FAMILY

Rahden (voice)

Frieren: Beyond Journey's End series poster (2023)
8.8

Frieren: Beyond Journey's End

Villager (voice)

Sword Art Online series poster (2012)
8.2

Sword Art Online

Technical Staff (voice)

Haikyu!! series poster (2014)
8.6

Haikyu!!

Kai Akakura (voice)

Dan Da Dan series poster (2024)
8.5

Dan Da Dan

TV Station Producer (voice)

BLUE LOCK series poster (2022)
8.2

BLUE LOCK

Reporter B (voice)

March Comes In Like a Lion series poster (2016)
8.0

March Comes In Like a Lion

Authorized Person 3 (voice)

Star Wars: Visions series poster (2021)
7.1

Star Wars: Visions

Eno's Father / Resistance Member (voice)

Yashahime: Princess Half-Demon series poster (2020)
8.3

Yashahime: Princess Half-Demon

Thug (voice)

Tower of God series poster (2020)
8.2

Tower of God

(voice)

The Quintessential Quintuplets series poster (2019)
8.4

The Quintessential Quintuplets

Teacher (voice)

Photos of Koji Seki

Filmography

2020s

HAIKYU!! The Dumpster Battle movie poster (2024)
7.7

HAIKYU!! The Dumpster Battle

Patient (voice)

Umamusume: Pretty Derby - Beginning of a New Era movie poster (2024)
8.6

Umamusume: Pretty Derby - Beginning of a New Era

(voice)

DAN DA DAN: First Encounter movie poster (2024)
7.6

DAN DA DAN: First Encounter

TV Station Producer (voice)

Sword Art Online the Movie – Progressive – Scherzo of Deep Night movie poster (2022)
7.7

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

Naijan (voice)