Katsunori Okai

Katsunori Okai

Katsunori Okai (岡井カツノリ, Okai Katsunori, October 8) is a Japanese voice actor from Hyogo Prefecture affiliated with Kenyu Office. His former stage name is 岡井克升 (same reading).

More details

Known For

JUJUTSU KAISEN

JUJUTSU KAISEN

2020 • as Human Earthworm (voice)

Frieren: Beyond Journey's End

Frieren: Beyond Journey's End

2023 • as Barkeeper (voice)

Frieren: Beyond Journey's End

Frieren: Beyond Journey's End

2023 • as Ship's Captain (voice)

The Apothecary Diaries

The Apothecary Diaries

2023 • as Eunuch (voice)

Mushoku Tensei: Jobless Reincarnation

Mushoku Tensei: Jobless Reincarnation

2021 • as Postman (voice)

SPY x FAMILY

SPY x FAMILY

2022 • as WISE Agent (voice)

Filmography

2025

Woke-Up-as-a-Girl Syndrome
Woke-Up-as-a-Girl Syndrome
as Toshihide Teacher (voice)
Movie - Released: 11/8/2025
Moonrise
Moonrise
as Georg Landry (voice)
TV - Released: 4/10/2025
Lazarus
Lazarus
as Entourage (voice)
TV - Released: 4/6/2025
My Hero Academia: Vigilantes
My Hero Academia: Vigilantes
as MAD HATTER Akira (voice)
TV - Released: 4/7/2025
April Showers Bring May Flowers
April Showers Bring May Flowers
as Male Student (voice)
TV - Released: 7/4/2025
Anyway, I'm Falling in Love with You.
Anyway, I'm Falling in Love with You.
as Yamamoto (voice)
TV - Released: 1/10/2025
Touring After the Apocalypse
Touring After the Apocalypse
as Voice Flying Around (voice)
TV - Released: 10/4/2025
Touring After the Apocalypse
Touring After the Apocalypse
as Man (voice)
TV - Released: 10/4/2025

2024

GREAT PRETENDER razbliuto
GREAT PRETENDER razbliuto
as Ando (Detective) (voice)
Movie - Released: 1/9/2024
Suicide Squad Isekai
Suicide Squad Isekai
as Man (voice)
TV - Released: 6/27/2024
Suicide Squad Isekai
Suicide Squad Isekai
as Soldier (voice)
TV - Released: 6/27/2024
Delico's Nursery
Delico's Nursery
as Resident (voice)
TV - Released: 8/8/2024
Blue Box
Blue Box
as Club Member (voice)
TV - Released: 10/3/2024
Blue Box
Blue Box
as (voice)
TV - Released: 10/3/2024
Chillin' in Another World with Level 2 Super Cheat Powers
Chillin' in Another World with Level 2 Super Cheat Powers
as Liuris (voice)
TV - Released: 4/8/2024
2.5 Dimensional Seduction
2.5 Dimensional Seduction
as Camera Guy B (voice)
TV - Released: 7/5/2024

2023

SPY x FAMILY CODE: White
SPY x FAMILY CODE: White
as Bernardo (voice)
Movie - Released: 12/22/2023
Rascal Does Not Dream of a Sister Venturing Out
Rascal Does Not Dream of a Sister Venturing Out
as Male Student (voice)
Movie - Released: 6/23/2023
My Love Story with Yamada-kun at Lv999
My Love Story with Yamada-kun at Lv999
as (voice)
TV - Released: 4/2/2023
Sacrificial Princess and the King of Beasts
Sacrificial Princess and the King of Beasts
as Reptilian Clan Member (voice)
TV - Released: 4/20/2023
The Dangers in My Heart
The Dangers in My Heart
as Customer B (voice)
TV - Released: 4/2/2023
Sacrificial Princess and the King of Beasts
Sacrificial Princess and the King of Beasts
as Citizen D (voice)
TV - Released: 4/20/2023
Frieren: Beyond Journey's End
Frieren: Beyond Journey's End
as Barkeeper (voice)
TV - Released: 9/29/2023
FLAGLIA: Story of Summer Vacation
FLAGLIA: Story of Summer Vacation
as Mythril (voice)
TV - Released: 1/17/2023
The Magical Revolution of the Reincarnated Princess and the Genius Young Lady
The Magical Revolution of the Reincarnated Princess and the Genius Young Lady
as Veteran Adventurer (voice)
TV - Released: 1/4/2023
Rurouni Kenshin
Rurouni Kenshin
as Shishio's Subordinate (voice)
TV - Released: 7/7/2023
The Apothecary Diaries
The Apothecary Diaries
as Eunuch (voice)
TV - Released: 10/22/2023
Frieren: Beyond Journey's End
Frieren: Beyond Journey's End
as Ship's Captain (voice)
TV - Released: 9/29/2023

2022

Love of Kill
Love of Kill
as Amy (voice)
TV - Released: 1/13/2022
Love of Kill
Love of Kill
as Member (voice)
TV - Released: 1/13/2022
SPY x FAMILY
SPY x FAMILY
as WISE Agent (voice)
TV - Released: 4/9/2022
Love of Kill
Love of Kill
as Tom (voice)
TV - Released: 1/13/2022
Love of Kill
Love of Kill
as Boris (voice)
TV - Released: 1/13/2022
SPY x FAMILY
SPY x FAMILY
as Driver (voice)
TV - Released: 4/9/2022
SPY x FAMILY
SPY x FAMILY
as Man in Black (voice)
TV - Released: 4/9/2022
SPY x FAMILY
SPY x FAMILY
as Audience (voice)
TV - Released: 4/9/2022
SPY x FAMILY
SPY x FAMILY
as Eden College Teacher (voice)
TV - Released: 4/9/2022
Uncle from Another World
Uncle from Another World
as Deliveryman (voice)
TV - Released: 7/6/2022
SPY x FAMILY
SPY x FAMILY
as Man from Enemy Organization (voice)
TV - Released: 4/9/2022
Parallel World Pharmacy
Parallel World Pharmacy
as Ship Doctor (voice)
TV - Released: 7/10/2022
SPY x FAMILY
SPY x FAMILY
as Announcer (voice)
TV - Released: 4/9/2022
Management of a Novice Alchemist
Management of a Novice Alchemist
as Vicious Alchemist (voice)
TV - Released: 10/3/2022
SPY x FAMILY
SPY x FAMILY
as Researcher (voice)
TV - Released: 4/9/2022
Management of a Novice Alchemist
Management of a Novice Alchemist
as Gray (voice)
TV - Released: 10/3/2022
The Eminence in Shadow
The Eminence in Shadow
as Cult Soldier (voice)
TV - Released: 10/5/2022
SPY x FAMILY
SPY x FAMILY
as Jeeves (voice)
TV - Released: 4/9/2022
SPY x FAMILY
SPY x FAMILY
as Doctor (voice)
TV - Released: 4/9/2022
The Eminence in Shadow
The Eminence in Shadow
as Audience (voice)
TV - Released: 10/5/2022
SPY x FAMILY
SPY x FAMILY
as Colonel Zacharis (voice)
TV - Released: 4/9/2022
SPY x FAMILY
SPY x FAMILY
as State Security Service Agent (voice)
TV - Released: 4/9/2022
The Eminence in Shadow
The Eminence in Shadow
as Soldier (voice)
TV - Released: 10/5/2022
The Eminence in Shadow
The Eminence in Shadow
as Knight (voice)
TV - Released: 10/5/2022
SPY x FAMILY
SPY x FAMILY
as Quill (voice)
TV - Released: 4/9/2022
SPY x FAMILY
SPY x FAMILY
as Newscaster (voice)
TV - Released: 4/9/2022
SPY x FAMILY
SPY x FAMILY
as Berlint General Hospital Doctor (voice)
TV - Released: 4/9/2022

2021

Kiyo in Kyoto: From the Maiko House
Kiyo in Kyoto: From the Maiko House
as Customer (voice)
TV - Released: 2/25/2021
Mushoku Tensei: Jobless Reincarnation
Mushoku Tensei: Jobless Reincarnation
as Postman (voice)
TV - Released: 1/11/2021

2020

Moriarty the Patriot
Moriarty the Patriot
as Ames (voice)
TV - Released: 10/11/2020
Moriarty the Patriot
Moriarty the Patriot
as Herschel (voice)
TV - Released: 10/11/2020
JUJUTSU KAISEN
JUJUTSU KAISEN
as Human Earthworm (voice)
TV - Released: 10/3/2020
Uzaki-chan Wants to Hang Out!
Uzaki-chan Wants to Hang Out!
as Kuroki (voice)
TV - Released: 7/10/2020
The Gymnastics Samurai
The Gymnastics Samurai
as Ninja show moderator (voice)
TV - Released: 10/11/2020
The Gymnastics Samurai
The Gymnastics Samurai
as Male announcer (voice)
TV - Released: 10/11/2020
The Gymnastics Samurai
The Gymnastics Samurai
as Voice C (voice)
TV - Released: 10/11/2020
The Gymnastics Samurai
The Gymnastics Samurai
as Moderator (voice)
TV - Released: 10/11/2020
Moriarty the Patriot
Moriarty the Patriot
as Railway police (voice)
TV - Released: 10/11/2020

2019

Arifureta: From Commonplace to World's Strongest
Arifureta: From Commonplace to World's Strongest
as Thief B (voice)
TV - Released: 7/8/2019
Ascendance of a Bookworm
Ascendance of a Bookworm
as Gunther's Colleague (voice)
TV - Released: 10/3/2019
Ascendance of a Bookworm
Ascendance of a Bookworm
as Ancient Egyptian (voice)
TV - Released: 10/3/2019
Ascendance of a Bookworm
Ascendance of a Bookworm
as Receptionist (voice)
TV - Released: 10/3/2019
Ascendance of a Bookworm
Ascendance of a Bookworm
as Blue Priest (voice)
TV - Released: 10/3/2019
Ascendance of a Bookworm
Ascendance of a Bookworm
as Gray Priest (voice)
TV - Released: 10/3/2019
Ascendance of a Bookworm
Ascendance of a Bookworm
as Egmont (voice)
TV - Released: 10/3/2019
Ascendance of a Bookworm
Ascendance of a Bookworm
as Zahm (voice)
TV - Released: 10/3/2019
Ascendance of a Bookworm
Ascendance of a Bookworm
as Gilberta Company Employee (voice)
TV - Released: 10/3/2019
Ascendance of a Bookworm
Ascendance of a Bookworm
as Ingo (voice)
TV - Released: 10/3/2019
Ascendance of a Bookworm
Ascendance of a Bookworm
as Attendant (voice)
TV - Released: 10/3/2019
Ascendance of a Bookworm
Ascendance of a Bookworm
as Man (voice)
TV - Released: 10/3/2019
Ascendance of a Bookworm
Ascendance of a Bookworm
as Artisan (voice)
TV - Released: 10/3/2019
BEASTARS
BEASTARS
as Fox (voice)
TV - Released: 10/10/2019
Ascendance of a Bookworm
Ascendance of a Bookworm
as Giebe Groschel (voice)
TV - Released: 10/3/2019

2017

The Ancient Magus' Bride
The Ancient Magus' Bride
as Seth's Father (voice)
TV - Released: 10/8/2017
The Ancient Magus' Bride
The Ancient Magus' Bride
as Relative (voice)
TV - Released: 10/8/2017

2016

ALL OUT!!
ALL OUT!!
as Shouta Kibi (voice)
TV - Released: 10/7/2016

2013

Attack on Titan
Attack on Titan
as Man (voice)
TV - Released: 4/7/2013