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

That Time I Got Reincarnated as a Slime
2019
Sword Art Online
2018
Ahiru no Sora
2019
Kaguya-sama: Love Is War
2019
A Certain Magical Index
2018
Fruits Basket
2019
As a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World
2024
My Next Life as a Villainess: All Routes Lead to Doom!
2020
BLUE LOCK
2023
Medalist
2025
Theatre of Darkness: Yamishibai
2021
Rascal Does Not Dream of Bunny Girl Senpai
2018

FILMOGRAPHY

All
Movies
TV
Acting
58
Sound
5
2026
That Time I Got Reincarnated as a Slime the Movie: Tears of the Azure Sea
as Rimuru (voice)
2026
Champignon Witch
as Merino (voice)
2026
FX Fighter Kurumi-chan
as Yasuko Takane (voice)
2025
Medalist
as Seira Shishido (voice)
2025
Private Tutor to the Duke's Daughter
as Lynne Leinster (voice)
2024
Animelo Summer Live 2024 -Stargazer- 8/31
as Self
2024
Animelo Summer Live 2024 -Stargazer- 9/1
as Hinana Ichikawa
2024
Umamusume: Pretty Derby - Beginning of a New Era
as Aoi Kiryuin (voice)
2024
As a Reincarnated Aristocrat, I'll Use My Appraisal Skill to Rise in the World
as Rosell Kischa (voice)
2024
Doctor Elise: The Royal Lady with the Lamp
as Mary (voice)
2024
Jellyfish Can't Swim in the Night
as Mero Seto (voice)
2024
THE NEW GATE
as Yuzuha (voice)
2023
My Next Life as a Villainess: All Routes Lead to Doom! The Movie
as Mary Hunt (voice)
2023
THE IDOLM@STER SHINY COLORS 5thLIVE If I_wings
as Hinana Ichikawa
2023
Rascal Does Not Dream of a Sister Venturing Out
as Kotomi Kano (voice)
2023
Rascal Does Not Dream of a Knapsack Kid
as Kotomi Kano (voice)
2023
BLUE LOCK
as Child Meguru Bachira (voice)
2023
A Playthrough of a Certain Dude's VRMMO Life
as Milly (voice)
2023
Farming Life in Another World
as Fraulem (voice)
2022
IDOL bu SHOW Movie
as Mirei "Mirechi" Wakatsuki (voice)
2022
That Time I Got Reincarnated as a Slime the Movie: Scarlet Bond
as Rimuru (voice)
2022
Demon Slayer: Kimetsu no Yaiba - Tsuzumi Mansion Arc
as Teruko (voice)
2022
The Dawn of the Witch
as Loux Krystas (voice)
2022
Tales of Luminaria: The Fateful Crossroad
as Celia Arvier (voice)
2022
Extreme Hearts
as Saki Kodaka (voice)
2021
THE IDOLM@STER SHINY COLORS 2ndLIVE STEP INTO THE SUNSET SKY
as Hinana Ichikawa
2021
Seitokai Yakuindomo the Movie 2
as (voice)
2021
Knights of Sidonia: Love Woven in the Stars
2021
The Slime Diaries
as Rimuru (voice)
2021
Vivy -Fluorite Eye's Song-
as Female staff rookie (voice)
2021
86 EIGHTY-SIX
as (voice)
2021
How a Realist Hero Rebuilt the Kingdom
as Pamille Carol (voice)
2021
POKÉTOON
as Purin (voice)
2021
Theatre of Darkness: Yamishibai
as Shizuka (voice)
2021
Theatre of Darkness: Yamishibai
as Satomi (voice)
2021
Theatre of Darkness: Yamishibai
as (voice)
2021
Theatre of Darkness: Yamishibai
as Sayuki (voice)
2021
Theatre of Darkness: Yamishibai
as Chiaki (voice)
2020
THE IDOLM@STER SHINY COLORS MUSIC DAWN
as Hinana Ichikawa
2020
The Magnificent KOTOBUKI: The Movie
as Maria (voice)
2020
Wandering Witch: The Journey of Elaina
as Avilia (voice)
2020
My Next Life as a Villainess: All Routes Lead to Doom!
as Mary Hunt (voice)
2019
Fruits Basket
as Mai Iwata (voice)
2019
That Time I Got Reincarnated as a Slime
as Narrator (voice)
2019
Kono Oto Tomare!: Sounds of Life
as Attendee (voice)
2019
Kaguya-sama: Love Is War
as Girl getting love confession (voice)
2019
Teasing Master Takagi-san
as Suzuki (voice)
2019
Lord El-Melloi II's Case Files {Rail Zeppelin} Grace note
as Yvette L. Lehrman (voice)
2019
Demon Slayer: Kimetsu no Yaiba
as Teruko (voice)
2019
Ahiru no Sora
as Harumi Tominaga (voice)
2019
The Demon Girl Next Door
as Children (voice)
2018
Sword Art Online
as Villager (voice)
2018
Bloom Into You
as Announcement (voice)
2018
Rascal Does Not Dream of Bunny Girl Senpai
as Kotomi Kano (voice)
2018
That Time I Got Reincarnated as a Slime
as Rimuru (voice)
2018
A Certain Magical Index
as Citizen (voice)
2018
Music Girls
as Miku Nishio (voice)
2018
Slow Start
as Girl (voice)