Miho Okasaki
Known for Acting · 53 credits
- Born
- 1998-11-22 (age 27)
- Place of birth
- Okayama, Japan
- Also known as
- 岡咲 美保 · おかさき みほ
Biography
Miho Okasaki (岡咲 美保, Okasaki Miho) is a Japanese voice actress from Okayama Prefecture who is affiliated with I'm Enterprise. She debuted as a voice actress in 2017, playing mostly background roles in anime series, as well as playing some roles in a number of video games. In 2018, she played her first main roles as Miku Nishio in the anime series Ongaku Shōjo and Rimuru Tempest in the anime series That Time I Got Reincarnated as a Slime.
Known For
Medalist
2025
as Seira Shishido (voice)
Rascal Does Not Dream of Bunny Girl Senpai
2018
as Kotomi Kano (voice)
That Time I Got Reincarnated as a Slime
2018
as Narrator (voice) / Rimuru (voice)
BLUE LOCK
2022
as Child Meguru Bachira (voice)
Theatre of Darkness: Yamishibai
2013
as Shizuka (voice) / Satomi (voice) / Sayuki (voice) / Chiaki (voice)
Kaguya-sama: Love Is War
2019
as Girl getting love confession (voice)
TV Shows (37)
Medalist
2025
as Seira Shishido (voice)
Rascal Does Not Dream of Bunny Girl Senpai
2018
as Kotomi Kano (voice)
That Time I Got Reincarnated as a Slime
2018
as Narrator (voice) / Rimuru (voice)
BLUE LOCK
2022
as Child Meguru Bachira (voice)
Theatre of Darkness: Yamishibai
2013
as Shizuka (voice) / Satomi (voice) / Sayuki (voice) / Chiaki (voice)
Kaguya-sama: Love Is War
2019
as Girl getting love confession (voice)
Sword Art Online
2012
as Villager (voice)
Fruits Basket
2019
as Mai Iwata (voice)
A Certain Magical Index
2008
as Citizen (voice)
Demon Slayer: Kimetsu no Yaiba
2019
as Teruko (voice)
My Next Life as a Villainess: All Routes Lead to Doom!
2020
as Mary Hunt (voice)
86 EIGHTY-SIX
2021
as (voice)
Teasing Master Takagi-san
2018
as Suzuki (voice)
Ahiru no Sora
2019
as Harumi Tominaga (voice)
Farming Life in Another World
2023
as Fraulem (voice)
The Demon Girl Next Door
2019
as Children (voice)
Doctor Elise: The Royal Lady with the Lamp
2024
as Mary (voice)
How a Realist Hero Rebuilt the Kingdom
2021
as Pamille Carol (voice)
The Slime Diaries
2021
as Rimuru (voice)
Kono Oto Tomare!: Sounds of Life
2019
as Attendee (voice)
Private Tutor to the Duke's Daughter
2025
as Lynne Leinster (voice)
As a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World
2024
as Rosell Kischa (voice)
Vivy -Fluorite Eye's Song-
2021
as Female staff rookie (voice)
Lord El-Melloi II's Case Files {Rail Zeppelin} Grace note
2019
as Yvette L. Lehrman (voice)
Bloom Into You
2018
as Announcement (voice)
Wandering Witch: The Journey of Elaina
2020
as Avilia (voice)
Jellyfish Can't Swim in the Night
2024
as Mero Seto (voice)
POKÉTOON
2020
as Purin (voice)
Slow Start
2018
as Girl (voice)
Extreme Hearts
2022
as Saki Kodaka (voice)
The Dawn of the Witch
2022
as Loux Krystas (voice)
Champignon Witch
2026
as Merino (voice)
THE NEW GATE
2024
as Yuzuha (voice)
A Playthrough of a Certain Dude's VRMMO Life
2023
as Milly (voice)
Music Girls
2018
as Miku Nishio (voice)
Tales of Luminaria: The Fateful Crossroad
2022
as Celia Arvier (voice)
Tensei shitara Slime Datta Ken: Coleus no Yume
2022
as Rimuru
Movies (16)
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
2026
as Rimuru (voice)
That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond
2022
as Rimuru (voice)
Umamusume: Pretty Derby - Beginning of a New Era
2024
as Aoi Kiryuin (voice)
Demon Slayer: Kimetsu no Yaiba - Tsuzumi Mansion Arc
2022
as Teruko (voice)
Rascal Does Not Dream of a Sister Venturing Out
2023
as Kotomi Kano (voice)
Rascal Does Not Dream of a Knapsack Kid
2023
as Kotomi Kano (voice)
Student Council Staff Members Movie 2
2021
as (voice)
My Next Life as a Villainess: All Routes Lead to Doom! The Movie
2023
as Mary Hunt (voice)
Knights of Sidonia: Love Woven in the Stars
2021
THE IDOLM@STER SHINY COLORS 2ndLIVE STEP INTO THE SUNSET SKY
2021
as Hinana Ichikawa
The Magnificent KOTOBUKI: The Movie
2020
as Maria (voice)
THE IDOLM@STER SHINY COLORS MUSIC DAWN
2020
as Hinana Ichikawa
Animelo Summer Live 2024 -Stargazer- 8/31
2024
as Self
IDOL bu SHOW Movie
2022
as Mirei "Mirechi" Wakatsuki (voice)
Animelo Summer Live 2024 -Stargazer- 9/1
2024
as Hinana Ichikawa
THE IDOLM@STER SHINY COLORS 5thLIVE If I_wings
2023
as Hinana Ichikawa
About Miho Okasaki
Miho Okasaki (岡咲 美保, Okasaki Miho) is a Japanese voice actress from Okayama Prefecture who is affiliated with I'm Enterprise. She debuted as a voice actress in 2017, playing mostly background roles in anime series, as well as playing some roles in a number of video games. In 2018, she played her first main roles as Miku Nishio in the anime series Ongaku Shōjo and Rimuru Tempest in the anime series That Time I Got Reincarnated as a Slime. With 53 credits spanning from 2008 to 2026, Miho Okasaki has appeared in 16 films and 37 TV shows.
Fans searching for Miho Okasaki movies, Miho Okasaki filmography, or the latest projects starring Miho Okasaki can stream many of these titles on Bowood.TV, free and in HD, with no subscription required.
Most Popular Miho Okasaki Movies
- That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea (2026) — as Rimuru (voice)
- That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond (2022) — as Rimuru (voice)
- Umamusume: Pretty Derby - Beginning of a New Era (2024) — as Aoi Kiryuin (voice)
- Demon Slayer: Kimetsu no Yaiba - Tsuzumi Mansion Arc (2022) — as Teruko (voice)
- Rascal Does Not Dream of a Sister Venturing Out (2023) — as Kotomi Kano (voice)
Where to Watch Miho Okasaki Films
Most Miho Okasaki movies and series are available to stream on Bowood.TV in full HD, completely free and without signup. Browse the complete filmography above to jump directly to any title. For more films and the latest web series featuring Miho Okasaki, check our movies catalogue and browse page.