Alison Thompson and Mark Gooder’s Cornerstone Films has closed sales deals for multiple territories for Joel Hopkins’ “Hampstead,” a romantic drama starring Diane Keaton and Brendan Gleeson, and Mick Jackson’s legal drama “Denial,” starring Rachel Weisz, Tom Wilkinson and Timothy Spall. “Hampstead” has been acquired by eOne (U.K., Australia/New Zealand), Splendid (Germany, Benelux), Kino Swiat...