Díriel needs to be everything good in Celebrimbor's life, because let's face it, his father and grandfather are kind of horrible in a lot of ways, and he was an impressionable kid during the Darkening of Valinor.
I think Felicia Day would be happy to join
The Silmarillion, because her prior work includes:
The Magicians, The Guild, The Rookie, The Librarians, etc. She is probably better known for her roles in
Dr. Horrible's Sing-along Blog and
Dragon Age: Redemption, and she also appeared in
Buffy: The Vampire Slayer, Supernatural, and
Eureka. Felicia Day is very involved in the world of video gaming and has read a lot of fantasy novels. She's also a violin player, writer, and executive producer. She is sick of being cast as the quirky best friend or quirky secretary, so I'm curious how she would react to a rather serious wife/mother/slave role, as she will get to keep the skilled artisan and creative side alive in very unusual circumstances.
Felicia Day
Age: 40
Height: 5'5" (1.65 m)
https://www.imdb.com/name/nm1260407/
http://feliciaday.com/
(She does have short red hair. We can give her a wig for elven hair if people prefer Díriel with long dark hair.)
