FilmFilm Friday: ‘Unknown’ and ‘I Am Number Four’ by W. Andrew Powell February 18, 2011 by W. Andrew Powell February 18, 2011Opening this weekend in theatres: Liam Neeson and Diane Kruger star in the action-thriller, Unknown; I Am Number Four stars Alex Pettyfer as a super-powered teenager on the run; plus … 0 FacebookTwitterPinterestEmail