Here is an except from my friend Leandra's Twilight Guides website on the news
We just got this from Summit:
THE TWILIGHT SAGA: BREAKING DAWN — The Denali Coven Casting Update
Summit Entertainment announced today the following have been cast in THE TWILIGHT SAGA: BREAKING DAWN for roles in The Denali Coven as outlined below.
* The Denali Coven is comprised of Christian Camargo (THE HURT LOCKER, Dexter) as Eleazar; Casey LaBow (Moonlight) as Kate; Mia Maestro (Alias, POSEIDON) as Carmen; MyAnna Buring (DOOMSDAY) as Tanya; as well as previously announced Maggie Grace (Lost, TAKEN) as Irina
Read more: Twilight Guide website