Viola Davis dominates the screen in 'G20', a gripping political action film directed by Patricia Riggen. Playing the role of U.S. President Danielle Sutton, Davis battles terrorists during a high-stakes G20 summit in Cape Town. Featuring a stellar ensemble cast, the movie blends intense action with political drama, but has received mixed reviews despite its exciting premise. Streaming now on Amazon Prime, the movie marks another bold role for Davis.