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Koki Koyasu

Acting Born Jan 9, 1994 Tokyo, Japan 11 credits
11
Total Credits
2026
11 Years Career Span
7
Vault Titles
10
Key Co-Stars

Biography

Koki Koyasu is a Japanese voice actor. His stage name is 子安光樹. He is known for his work in the acting field. Koyasu's known credits number 8. He was born in Tokyo, Japan, on January 9, 1994. His gender is male. Koyasu is a member of T's Factory, an agency that also represents his father, Takehito Koyasu, a popular voice actor.

Sources & verification Koki Koyasu — The Movie Database (TMDB) How Archytele verifies pages
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Career

Career overview

Koki Koyasu is a Japanese voice actor. He is known for his work in the acting field. Koyasu's career in acting is documented with a total of eight known credits.

Koyasu's professional life is marked by his association with T's Factory, an agency that also represents his father, Takehito Koyasu, a well-known voice actor. Koyasu's stage name is 子安光樹, which translates to Kōki Koyasu in English.

Koyasu was born in Tokyo, Japan on January 9, 1994.

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Known for

Dan Da Dan

as Male Student A (voice)
Film

The Prodigal

as Kai (voice)

Toilet-Bound Hanako-kun

as Male Classmate A (voice)

I'm Standing on a Million Lives

as Nomura (voice)

I'm Standing on a Million Lives

as Maccahee (voice)
Film

Clubbing

as (voice)

Re:ZERO -Starting Life in Another World-

as Roswaal B. Mathers (voice)

Frequent co-stars

Gen Sato 1 shared title
Sora Amamiya 1 shared title
Miyuki Sawashiro 1 shared title
Michiru Satou 1 shared title
Eri Kitamura 1 shared title
Takehito Koyasu 1 shared title
Haruka Tomatsu 1 shared title
Shizuka Itoh 1 shared title
Naomi Ohzora 1 shared title
Azumi Waki 1 shared title

Career timeline

Reiwa ni Kannou Shousetsu Tsukuttemasu
Dan Da Dan
Call of the Night
Hortensia SAGAHortensia SAGAHortensia SAGA
Toilet-Bound Hanako-kunI'm Standing on a Million LivesI'm Standing on a Million Lives
Demon Slayer: Kimetsu no Yaiba
Re:ZERO -Starting Life in Another World-

Full Filmography

11 titles

Frequently Asked Questions

What movies or TV shows is Koki Koyasu best known for?

Koki Koyasu is widely recognized for notable roles and projects including Dan Da Dan (2024), The Prodigal (1955), Toilet-Bound Hanako-kun (2020), I'm Standing on a Million Lives (2020).

When and where was Koki Koyasu born?

Koki Koyasu was born on January 9, 1994 in Tokyo, Japan.

How many credits does Koki Koyasu have?

Koki Koyasu has accumulated over 11 film and television credits across a career spanning from 2016 to 2026.

What is Koki Koyasu's background in cinema and television?

Koki Koyasu is a Japanese voice actor. His stage name is 子安光樹. He is known for his work in the acting field. Koyasu's known credits number 8. He was born in Tokyo, Japan, on January 9, 1994. His gender is male. Koyasu is a member of T's Factory, an agency that also represents his father, Takehito Koyasu, a popular voic...