According to IMDB Abbie Cornish (Sucker Punch, W.E.) will be joining the already announced Andrew Howard, Bradley Cooper, Elizabeth Banks, Robert De Niro, and Anna Friel.
The Dark Fields, based on the book by Alan Glynn, follows a down-and-out writer (Cooper) who gets his hands on a top-secret pharmaceutical drug that makes one smarter. He experiences sudden financial and social success but soon discovers that the drug has lethal and lasting side effects. Before long, mysterious antagonists are pursuing him.
Look for much more on this one soon!