Her next film , the Woody Allen dramedy '' You Will Meet a Tall Dark Stranger '' , opened at the 2010 Cannes Film Festival , and saw her portray Sally , a woman who has a troubled marriage with author Roy ( played by Josh Brolin ) . It made over US$ 26 million ( equivalent to $ million in ) . Her portrayal of Valerie Plame in the biographical thriller '' Fair Game '' followed , and marked the third pairing of Watts with Sean Penn after '' 21 Grams '' and '' The Assassination of Richard Nixon '' . The film earned Watts a Satellite Award nomination for Best Actress . In 2011 , she appeared with Daniel Craig and Rachel Weisz in Jim Sheridan 's psychological horror film '' Dream House '' , as the neighbour of a murdered family , and with Leonardo DiCaprio in Clint Eastwood 's biographical drama '' J. Edgar '' , playing secretary Helen Gandy . While '' Dream House '' flopped , '' J. Edgar '' had a more favorable reception
2010 Cannes Film Festival
2010 Cannes Film Festival
Naomi Watts