“The Runner” is the feature writing/directorial debut of Austin Stark, whose name is attached to a handful of intriguing indie films, including 2012’s “Hello I Must Be Going.” In that and other cases, it’s attached in a producing capacity. The movie begins with a montage explaining—partially—the movie’s title. Cage’s character pulls a pair of running shoes from a shelf—he’s got a bunch of them—and, in his Tulane t-shirt, goes for a brisk run. Soon we learn that the movie’s set in 2010, in the immediate aftermath of the BP Deepwater Horizon oil spill, and that Cage’s character, Colin Price, is a Congressman from Louisiana. His impassioned House speech decrying the economic impact of the man-made disaster suddenly makes him a man of the moment. His longtime right-hand man and buddy Frank (Wendell Pierce) sees a Senate run opportunity. (See, that’s where the other meaning of the title comes in.) But Price has high ideals. When his wife, Deborah (Connie Nielsen), herself a powerful attorney, drags him to a meeting with an arrogant, deep-pocketed oil lobbyist (Bryan Batt), Price lets the guy know he can’t be bought.