The Japanese cast includes Miho Okazaki as RimuruTomoaki Maeno as Veldora, Yumiri Hanamori as ShizuMakoto Furukawa as Benimaru, Sayaka Senbongi as Shuna, M.A.
The anime adaptation of the manga That Time I Got Reincarnated as a Slime from Fuse and Mitz Vah got underway in Japan on its October 1st, 2018 premiere, and a simuldub is moving right along from Funimation.
Milim | That Time I Got Reincarnated as a Slime (SimulDub Clip)