I really wanted to like this movie, having enjoyed Carell and Knightley in many of their previous efforts. Alas, it wasn't to be. Apocalyptic imagery here is just that, imagined. And a few effects might have livened this up just a bit. Unlike fine character dramas which successfully blend drama, character study and apocalyptic plots, albeit sans effects, films like "On The Beach," this movie fails to deliver the one thing audiences expect for a ticket purchase....entertainment. Despite the fine talents of Carell and Knightley, the screenplay here is dull, bland and at times, tedious. The writers fail miserably in bringing life or substance to the characters through their dialog, leaving this fine cast little with which to work other than pointless babble. There's no audience empathy for their predicament either. While this isn't a terrible film, you might do better waiting for it on cable or internet stream.