Maggie Grace will portray Irina in the last two movies, a member of the Denali vampire clan. The only other vampire group who share the Cullen's mindset of not attacking humans for their blood. However, when Irina's lover is killed, she blames the Cullen clan, which sets in motion a tragic turn of events.
Production was said to start next year on The Twilight Saga: Breaking Dawn - Part 1 in Vancouver. We'll be sure to keep you posted with any further casting updates on The Twilight Saga: Breaking Dawn - Part 1 as soon as that information is made available.