Irina is a vampire but doesn’t feast on human blood, and also is a cousin of the Cullens and happens to be a bit bitter over the death of her lover. Her skin sparkles in the sun in a way that puts basic body glitter to shame. She is a member of the Denali coven, and she blames the Cullens for her lover’s death.
Grace, 27, played Shannon Rutherford in the first two seasons of "Lost."
In the meantime, Mackenzie Foy, a 9-year-old actress with no feature film experience, is close to taking the role of Renesmee, Edward and Bella’s vampire/human love child, according to EW.com.