Ben Affleck and Justin Timberlake are set to star in Runner, Runner. Brad Furman is on board to direct the thriller, while Timberlake\'s deal is closed. Affleck, who last starred in The Town, is in final negotiations, reports hollywoodreporter.com. Brian Koppelman and David Levien have written the screenplay and the film is set to start filming this summer in Puerto Rico. From: Gulfnews