In the immortal words of Big Star, "she's a mover". I think she actually looks a little like other ballerinas who turned to acting, like Meg Tilly, Lea Thompson, Neve Campbell, not just in her movements, but also the eyes.
"Movies are the enemy of the novel because they are replacing novels. Novelists shouldn’t write for the movies, unless, of course, they discover they’re no good at writing novels." - John Irving