Mina Ashiro, the powerful captain of the Third Division in Kaiju No. 8, is voiced by Asami Seto in Japanese and Katelyn Barr in the English dub. Both actresses bring strength, composure, and emotional subtlety to Mina’s calm leadership and intense battlefield presence throughout the series. (behindthevoiceactors.com)
Japanese Voice Actor: Asami Seto
Asami Seto voices Mina Ashiro in the Japanese version of Kaiju No. 8. Her composed and authoritative performance perfectly captures Mina’s disciplined personality, emotional restraint, and overwhelming combat power. (behindthevoiceactors.com)
Date of Birth
April 2, 1993
About Asami
Asami Seto is a Japanese voice actress affiliated with StarCrew. Since rising to prominence in the early 2010s, she has become known for portraying elegant, intelligent, and emotionally strong female characters across fantasy, action, and romance anime.
Her portrayal of Mina Ashiro has been praised for balancing calm professionalism with subtle emotional depth, especially during scenes involving Kafka Hibino and the Defense Force. Seto’s naturally smooth and confident vocal delivery makes Mina feel both intimidating and compassionate.
She is also widely recognized for voicing major heroines in several internationally popular anime franchises.
Hometown
Saitama Prefecture, Japan
Career Highlights
- Mina Ashiro — Kaiju No. 8
- Nobara Kugisaki — Jujutsu Kaisen
- Mai Sakurajima — Rascal Does Not Dream of Bunny Girl Senpai
- Raphtalia — The Rising of the Shield Hero
- Chihaya Ayase — Chihayafuru
- Alpha — The Eminence in Shadow
- Asuka Tanaka — Sound! Euphonium
- Setsuna Yuki — Love Live! Nijigasaki High School Idol Club
Full Current Filmography
The following list reflects documented major anime voice roles from publicly available sources and may not be exhaustive.
Television Anime
- Kaiju No. 8 — Mina Ashiro
- Jujutsu Kaisen — Nobara Kugisaki
- Rascal Does Not Dream of Bunny Girl Senpai — Mai Sakurajima
- The Rising of the Shield Hero — Raphtalia
- Chihayafuru — Chihaya Ayase
- The Eminence in Shadow — Alpha
- Sound! Euphonium — Asuka Tanaka
- Love Live! Nijigasaki High School Idol Club — Setsuna Yuki
- Tokyo Ravens — Kon
- Death Parade — Mai Takada
- 86 Eighty-Six — Shinei’s supporting cast roles
- Spy Classroom — Supporting Roles
Anime Films
- Kaiju No. 8 related projects — Mina Ashiro
- Rascal Does Not Dream film series — Mai Sakurajima
- Sound! Euphonium films — Asuka Tanaka
Video Games
- Granblue Fantasy — Voice Roles
- Genshin Impact — Additional Japanese Voices
- Honkai: Star Rail — Additional Voices
- Kaiju No. 8 Game Projects — Mina Ashiro
Critical Reception
Asami Seto is praised for her elegant vocal delivery and emotionally controlled performances. Fans of Kaiju No. 8 frequently highlight her portrayal of Mina Ashiro for making the character feel genuinely powerful and commanding while still preserving her quieter emotional side.
Our Sources
Behind The Voice Actors – Mina Ashiro (https://www.behindthevoiceactors.com/tv-shows/Kaiju-No-8/Mina-Ashiro/)
Anime News Network Encyclopedia – Asami Seto (https://www.animenewsnetwork.com/encyclopedia/people.php?id=104338)
StarCrew Official Profile (https://starcrew.co.jp/talent/setoasami/)
Kaiju No. 8 Official Anime Website (https://kaiju-no8.net/)
Social Media
No verified official public social media accounts were found from public sources.
English Voice Actor: Katelyn Barr
Katelyn Barr voices Mina Ashiro in the English dub of Kaiju No. 8. Her composed and commanding performance captures Mina’s calm authority, emotional restraint, and overwhelming battlefield presence as captain of the Third Division. (behindthevoiceactors.com)
Date of Birth
November 12, 1989
About Katelyn
Katelyn Barr is an American voice actress, ADR director, and script writer known for anime dubbing, video games, and localization work. She frequently portrays confident leaders, emotionally intelligent heroines, and powerful fantasy characters.
Her portrayal of Mina Ashiro has been praised for balancing the character’s intimidating professionalism with subtle emotional warmth, especially during scenes involving Kafka Hibino and the Defense Force. Fans of the English dub often highlight Barr’s calm vocal delivery and strong dramatic presence during combat scenes.
Outside voice acting, Barr has also worked extensively behind the scenes in ADR direction and anime localization.
Hometown
Texas, USA
Career Highlights
- Mina Ashiro — Kaiju No. 8
- Himeno — Chainsaw Man
- Cecile Croomy — Code Geass
- Riko — Made in Abyss
- Leone — Akame ga Kill!
- Hana Uzaki — Uzaki-chan Wants to Hang Out! (certain media)
- Additional Roles — One Piece
- ADR direction for multiple anime productions
Full Current Filmography
The following list reflects documented major voice acting credits from publicly available sources and may not be exhaustive.
Anime
- Kaiju No. 8 — Mina Ashiro
- Chainsaw Man — Himeno
- Made in Abyss — Riko
- Akame ga Kill! — Leone
- Code Geass — Cecile Croomy
- One Piece — Additional Voices
- Black Clover — Additional Roles
- The Rising of the Shield Hero — Additional Voices
- Fairy Tail — Additional Voices
- Blue Lock — Additional Roles
Video Games
- Smite — Voice Roles
- Fire Emblem Heroes — Additional Voices
- Anime Mobile Games — Various Characters
- Kaiju No. 8 Game Projects — Mina Ashiro
ADR & Production Work
- ADR direction for anime dub productions
- Script adaptation and localization work for Crunchyroll releases
- Voice direction for fantasy and action anime series
Critical Reception
Katelyn Barr is praised for emotionally controlled performances and strong vocal presence. Fans of Kaiju No. 8 frequently highlight her portrayal of Mina Ashiro for preserving the character’s calm confidence and emotional depth while delivering the authority expected from one of the Defense Force’s strongest captains.
Our Sources
Behind The Voice Actors – Mina Ashiro (https://www.behindthevoiceactors.com/tv-shows/Kaiju-No-8/Mina-Ashiro/)
Behind The Voice Actors – Katelyn Barr (https://www.behindthevoiceactors.com/Katelyn-Barr/)
Crunchyroll – Kaiju No. 8 English Dub Information (https://www.crunchyroll.com/)
Kaiju No. 8 Official Anime Website (https://kaiju-no8.net/)
Social Media
X (Twitter): https://x.com/katelynnbarr
Instagram: https://www.instagram.com/katelynnbarr/
