I've Been Killing Slimes for 300 Years and Maxed Out My Level

Aoi Yūki

Azusa (voice)

本渡楓

Laika (voice)

千本木彩花

Falfa (voice)

田中美海

Shalsha (voice)

原田彩楓

Halkara (voice)

沼倉愛美

Beelzebub (voice)

杉山里穂

Rosary (voice)

和氣あず未

Fratorte (voice)

Yukari Tamura

Pecora (voice)

中村桜

Announcement Voice / Effect Voice (voice) / Effect Voice (voice) / Employee B / Effect Voice (voice) / Leila / Effect Voice (voice) / Magician / Voice Effect (voice) / Villager D / Effect Voice (voice) / Voice Effect (voice)

Shinya Takahashi

Asmodian Executive B (voice) / Blue Dragon B (voice) / Ernst (voice) / Referee (voice) / Villager A (voice) / Villager B (voice)

小澤亜李

Vania (voice)

菊池紗矢香

Natalie Jr. (voice)

Miku Ito

Fatla (voice)

峰晃弘

"Saeta Taka" Master (voice) / Blue Dragon A (voice) / Store Customer C (voice)

柳晃平

Asmodian B (voice) / Asmodian Executive A (voice) / Swordfighter (voice)

遠野ひかる

Eno (voice)

川上彩

"Saeta Taka" Landlady (voice) / Villager A (voice)

杉崎亮

Leila's Father (voice) / Village Mayor (voice)

深澤純

Asmodian A (voice) / Villager B (voice)

鈴木咲

Employee A (voice) / Leila's Mother (voice)

下川草介

Leila's Husband (voice) / Villager D (voice)

伊藤彩沙

Fighsly (voice)

小岩井ことり

Kuku (voice)

Kikuko Inoue

Goodly Godly Godness (voice)

幸村恵理

Natalie Sr. (voice)

藤堂駿介

Warrior (voice)

夏吉ゆうこ

Monk (voice)

兼政郁人

Villager A (voice)

柳原かなこ

Villager C (voice)

大町朋裕

Villager D (voice)

若山晃久

Villager A (voice)

玉井勇輝

Villager B (voice)

立花日菜

Red Dragon A (voice)

高槻莉那

Red Dragon B (voice)

日向未南

Blue Dragon C (voice)

室井海人

Blue Dragon D (voice)

坂田将吾

Villager C (voice)

上別府仁資

Scholar (voice)

酒井聖也

Asmodian Executive C (voice)

小林未沙

"Omae Yori Butanohōga Yakuni Tatsuyo" Clerk

伊原正明

Store Customer A (voice)

野津山幸宏

Store Customer B (voice)

赤石考

Store Customer D (voice)

関幸司

Store Customer E (voice)

島袋美由利

Magie (voice)

渡井奏斗

Skinhead A (voice)

宮城一貴

Skinhead B (voice)

寺井大樹

Audience A (voice)

新堂陽斗

Audience B (voice)

森谷彩子

Villager B (voice)

三浦勝之

Villager C (voice)

緒方佑奈

Villager E (voice)

日岡なつみ

Drugstore Owner (voice)

相馬康一

World Tree Beast (voice)

蟹江俊介

World Tree Beast (voice)

菅原慎介

World Tree Beast (voice)

若林佑

Coffee Shop Customer (voice)

嶋野花

Coffee Shop Customer (voice)

松村圭人

Coffee Shop Customer (voice)

河村梨恵

Coffee Shop Customer (voice)

吉原康平

Coffee Shop Customer (voice)