Here is a bit more of the film's plot and AM's role from the Admiring Anne-Marie fan site. It's a rough Google translation from the original Polish:

August 2, 2011 began filming for the Irish-Polish co-production directed by Nora Mc Gettigan Fri “Sanctuary”. The film co-produced by the Polish Film Institute and the Irish co-production company Venom from Wajda Studio. The main roles in the film will play John Frycz, Agnieszka ?ulewska, Anne-Marie Duff.

The Nora McGettigan film is a story about the changing relations between the father (Frycz) and daughter (?ulewska), who faced a difficult situation, trying to rebuild their relationship. John Michalski, a successful plastic surgeon, after returning from the delegation’s three-day newspaper under the door. It is certain that after thirty years of common life wife left him. But this did not happen. Her dead body of John finds in the garden. A man decides to run away from problems, especially since her daughter, Nadia.

John Michalski takes a flying business trip to Ireland, where his charm is Maire (Anne-Marie Duff). But John can not forget about his wife – a young woman he reminds her. Nadia, for fear of losing his father, decides to go with him to Ireland and bring him home.

The distribution of the film in Poland is responsible firm Best Film, which plans to introduce the image on screens in autumn 2012.

SOURCE