no...its a fresh batch...like lum
...No, it most distinctly is not a fresh batch. The Ranma remake is using most of the original cast. The only exceptions so far are Genma and Soun. Besides the fact I'd recognize Megumi Hayashibara and Noriko Hidaka anywhere, they actually have the cast list in the video description.
Ranma Saotome : Kappei Yamaguchi
Ranma : Megumi Hayashibara
Akane Tendo : Noriko Hidaka
Nabiki Tendo : Minami Takayama
Kasumi Tendo : Kikuko Inoue
Soun Tendo : Akio Otsuka
Genma Saotome : Cho
Ryoga Hibiki : Koichi Yamadera
Shampoo : Rei Sakuma
Narrator : Kenichi Ogata