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

Aoi Yuuki

Azusa (voice)

Kaede Hondo

Laika (voice)

Sayaka Senbongi

Falfa (voice)

Minami Tanaka

Shalsha (voice)

Sayaka Harada

Halkara (voice)

Manami Numakura

Beelzebub (voice)

Riho Sugiyama

Rosary (voice)

Azumi Waki

Fratorte (voice)

Yukari Tamura

Pecora (voice)

Sakura Nakamura

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)

Ari Ozawa

Vania (voice)

Sayaka Kikuchi

Natalie Jr. (voice)

Miku Ito

Fatla (voice)

Akihiro Mine

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

Kouhei Yanagi

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

Hikaru Tono

Eno (voice)

Aya Kawakami

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

Ryo Sugisaki

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

Jun Fukazawa

Asmodian A (voice) / Villager B (voice)

Saki Suzuki

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

Sousuke Shimokawa

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

Ayasa Ito

Fighsly (voice)

Kotori Koiwai

Kuku (voice)

Kikuko Inoue

Goodly Godly Godness (voice)

Eri Yukimura

Natalie Sr. (voice)

Shunsuke Todo

Warrior (voice)

Yuko Natsuyoshi

Monk (voice)

Ikuto Kanemasa

Villager A (voice)

Kanako Yanagihara

Villager C (voice)

Tomohiro Omachi

Villager D (voice)

Akihisa Wakayama

Villager A (voice)

Yuki Tamai

Villager B (voice)

Hina Tachibana

Red Dragon A (voice)

高槻莉那

Red Dragon B (voice)

Minami Hinata

Blue Dragon C (voice)

Kaito Muroi

Blue Dragon D (voice)

Shogo Sakata

Villager C (voice)

Hitoshi Bifu

Scholar (voice)

酒井聖也

Asmodian Executive C (voice)

小林未沙

"Omae Yori Butanohōga Yakuni Tatsuyo" Clerk

Masaaki Ihara

Store Customer A (voice)

Yukihiro Nozuyama

Store Customer B (voice)

赤石考

Store Customer D (voice)

Koji Seki

Store Customer E (voice)

Miyuri Shimabukuro

Magie (voice)

Kanato Watai

Skinhead A (voice)

Kazuki Miyagi

Skinhead B (voice)

寺井大樹

Audience A (voice)

Haruto Shindo

Audience B (voice)

Saiko Moriya

Villager B (voice)

Katsuyuki Miura

Villager C (voice)

Yuna Ogata

Villager E (voice)

Natsumi Hioka

Drugstore Owner (voice)

Kouichi Souma

World Tree Beast (voice)

Shunsuke Kanie

World Tree Beast (voice)

Shinsuke Sugawara

World Tree Beast (voice)

Yu Wakabayashi

Coffee Shop Customer (voice)

Hana Shimano

Coffee Shop Customer (voice)

松村圭人

Coffee Shop Customer (voice)

Rie Kawamura

Coffee Shop Customer (voice)

Kohei Yoshiwara

Coffee Shop Customer (voice)