 She played minor roles in several films and television series in the late 1990s and early 2000s, before winning the Tony Award for Best Featured Actress in a Play for her role as Tonya in August Wilson's "King Hedley II" in 2001.Davis's film breakthrough came in 2008, when her role as a troubled mother in "Doubt" earned her a nomination for the Academy Award for Best Supporting Actress.Greater success came to Davis in the 2010s.