Which new characters could be in House of the Dragon season 2?

As HBO continues to adapt George R. R. Martin's book Fire and Blood, which characters could soon be seen grappling with House Targaryen?

House of the Dragon' Season 2 Trailer, Release Date Details

House of the Dragon Season 2 Adds Four New Cast Members

House of the Dragon Season 2 Leak Teases a Major New Character

House of the Dragon Season 2: Who are the new cast members? Know

House of the Dragon Season 2: Cast, Release Date, Trailer, Latest

House of the Dragon Season 2: Is [Spoiler] Leaving?

House of the Dragon, Official Website for the HBO Series

List: Every New Cast Member of House of the Dragon Season 2 So Far

House of the Dragon' Season Two: Everything We Know So Far

House of the Dragon, Wiki of Westeros