Rosamund Pike, star of Pride and Prejudice, appeared in which 2014 mystery thriller opposite Ben Affleck?
Gone Girl (film): Gone Girl is a 2014 American psychological thriller film directed by David Fincher and written by Gillian Flynn, based on her 2012 novel of the same name. Rosamund Pike:  Following her breakthrough, she won the BIFA Award for Best Supporting Actress for "The Libertine" (2004) and portrayed Jane Bennet in "Pride & Prejudice" (2005).
Gone Girl