ET breaks down which characters from ‘The Lord of the Rings’ trilogy are part of ‘The Rings of Power’s ensemble. Morfydd Clark, ‘Galadriel,’ Robert Aramayo, ‘Elrond,’ and Maxim Baldry, ‘Isildur,’ explain to ET’s Matt Cohen what fans can expect from these familiar roles in the prequel series. ‘The Lord of the Rings: The Rings of