Deadline previously named her as a possible participant in the two films. ThePlaylist has found Saorise speaking out on the rumor. While interested in the film she hasn't been offered anything. Ronan previously worked with Jackson on The Lovely Bones.
The role has been expected to be Itaril a new character not found in the books. A female woodland Elf, this character is one the Silvan Elves. Shorter than other elves, she is still quick and lithe and physically adept, being able to fight with both sword and bow.