Focus Features has finally debuted an official trailer on Yahoo for Joe Wright's Hanna, the new action-thriller starring Saoirse Ronan (Atonement, City of Ember, The Lovely Bones) as a highly skilled 14-year-old assassin, trained by her father, played by Eric Bana.

Focus Features, the genre/ indie arm of Universal, will be bringing Hanna to theaters everywhere starting on April 8th early this spring.