Lost actress Maggie Grace joins Twilight Breaking Dawn cast

NEW YORK - SEPTEMBER 09: Actress Maggie Grace attends the Christian Siriano Spring 2011 fashion show during Mercedes-Benz Fashion Week at The Stage at Lincoln Center on September 9, 2010 in New York City. (Photo by Astrid Stawiarz/Getty Images for IMG)

It has been reported that Maggie Grace, who is most famous for her role as Shannon in hit TV series Lost, has been signed up to star in the Twilight Breaking Dawn movies.

According to Deadline Hollywood she’ll appear in both final parts of the vampire series.

Maggie will apparently play “vegetarian vampire” Irina who becomes an ally of the Cullen family in the final book.

Now the rest of her clan have been confirmed by Summit.

Christian Camargo, Mia Maestro, Kasey LaBow and MyAnna Buring are also set to star in the flicks.