I've Been Killing Slimes for 300 Years and Maxed Out My Level Cast Guide and Watch Facts
A TMDB-backed guide to I've Been Killing Slimes for 300 Years and Maxed Out My Level, including cast, release facts, genres and watch-provider notes.

Here's the full cast of I've Been Killing Slimes for 300 Years and Maxed Out My Level (2021) — who plays who — plus where to watch and the essential facts about this TV series.
Where to watch
TMDB's U.S. watch-provider data lists Crunchyroll, Crunchyroll Amazon Channel. Availability changes by country and date, so check your streaming app before watching.
Cast
Aoi Yuuki as Azusa (voice); Kaede Hondo as Laika (voice); Sayaka Senbongi as Falfa (voice); Minami Tanaka as Shalsha (voice); Sayaka Harada as Halkara (voice); Manami Numakura as Beelzebub (voice); Riho Sugiyama as Rosary (voice); Azumi Waki as Fratorte (voice)
About I've Been Killing Slimes for 300 Years and Maxed Out My Level
After dying of overwork in the real world, I’m reincarnated as an immortal witch, and I spend 300 years enjoying a relaxing life. At some point, though, I end up at level 99! All those years spent killing slimes to make the money to pay the bills gave me a ton of experience points. Rumors of the level 99 witch spread, and soon I’m up to my ears in curious adventurers, duelist dragons, and even a monster girl calling me her mom! I’ve never been on an adventure, but I’m the strongest in the world… What’s going to happen to my relaxing life?!
More like I've Been Killing Slimes for 300 Years and Maxed Out My Level
- The Slime Diaries
- The Water Magician
- I Was Reincarnated as the 7th Prince so I Can Take My Time Perfecting My Magical Ability
- Magic Maker: How to Make Magic in Another World
- KamiKatsu: Working for God in a Godless World
- By the Grace of the Gods
- The Faraway Paladin
- Didn't I Say to Make My Abilities Average in the Next Life?!
Figures and availability come from public TMDB data and are provided as a sourced reference.
Frequently asked questions
Where can I watch I've Been Killing Slimes for 300 Years and Maxed Out My Level?
TMDB's U.S. watch-provider data lists Crunchyroll, Crunchyroll Amazon Channel. Availability changes by country and date, so check your streaming app before watching.
Who is in the cast of I've Been Killing Slimes for 300 Years and Maxed Out My Level?
Aoi Yuuki as Azusa (voice); Kaede Hondo as Laika (voice); Sayaka Senbongi as Falfa (voice); Minami Tanaka as Shalsha (voice); Sayaka Harada as Halkara (voice); Manami Numakura as Beelzebub (voice); Riho Sugiyama as Rosary (voice); Azumi Waki as Fratorte (voice)
Is this I've Been Killing Slimes for 300 Years and Maxed Out My Level guide official?
No. It uses TMDB data as a reference and is not endorsed or certified by TMDB.



