Some new cast and one re-cast has been announced as well as some information about the shows "success".
https://press.amazonstudios.com/us/e...e-rings-of-p-4
The new cast members are: Gabriel Akuwudike, Yasen ‘Zates’ Atour, Ben Daniels, Amelia Kenworthy, Nia Towle, and Nicholas Woodeson. The role of Orc leader “Adar” has been recast for Season Two, and will be played by Sam Hazeldine.
The first season of The Rings of Power has been an unprecedented success, viewed by more than 100 million people worldwide, with more than 24 billion minutes streamed. The highly anticipated series attracted more than 25 million global viewers on its first day, marking the biggest premiere in the history of Prime Video, and also debuted as the No. 1 show on Nielsen’s overall streaming chart in its opening weekend. The show has also broken all previous Prime Video records for the most viewers, and has driven more Prime sign-ups worldwide during its launch window than any other previous content. Additionally, The Rings of Power is the top Original series in every region—North America, Europe, APAC, LATAM, and the rest of the world. The season finale also created a global cultural moment, with multiple series-themed hashtags, including #TheRingsofPower and others, trending in 27 countries across Twitter for over 426 cumulative hours throughout the weekend.