[Sunred]

So.....

We got the voice of all Kivat Bats voicing Billy

The man who was Usada the yellow robot bunny, green hippo ranger in an alternate Go-Busters universe, AND the Japanese voice of Dragon Knight as Zack

The current high goddess deity of anime theme songs, Nana Mizuki, voicing Trini

Tackle from the Decade movie voicing Kimberly

The voice of Kivaala as Rita

The villain from Ninnin VS ToQ as Alpha 5

The voice of one of the monkey ninjas from the Hurricanger movie as Zordon

They must be really investing some good money hiring a good number of high-profile voice actors for Zack, Billy, Trini, and Rita.
After hearing it on the Japanese official website(http://www.power-rangers.jp/) I think they are all spot-on.