Margaret Denise Quigley (born May 22, 1979), professionally known as Maggie Q, is an American actress, model, and animal rights activist. She is known for starring as the title role on The CW action-thriller series Nikita (2010–13). She also starred as former-FBI agent and CIA Case Officer Hannah Wells in the political drama series Designated Survivor (2016–19).
Q had starring roles in the action films Mission: Impossible III (2006), Live Free or Die Hard (2007), and Priest (2011). She portrayed Tori Wu in the dystopian science-fiction action film Divergent (2014), and reprised her role in the sequels, Insurgent (2015) and Allegiant (2016).