Eric Bana, Cate Blanchett and newcomer Saoirse Ronan star in Hanna, and after watching this trailer, we've added it to our top five must see movies of 2011.

Hanna is a teenage girl whose father (Bana) trained her to be an assassin, but things go awry when her father takes off and an intelligence operative (Blanchett) swoops her up and takes her in to custody. Check it out!