Watch Obsessed 2009 Full Movie | Obsessed at br Watch Obsessed Movie Online, Idris Elba, Beyonce Knowles, Ali Larter, Bruce McGill, Jerry O'Connell, Christine Lahti Derek Charles (Idris Elba), a successful asset manager who has just received a huge promotion, is blissfully happy in his career and in his marriage to the beautiful Sharon (Beyoncé Knowles).