Margaret Denise Quigley (Vietnamese: Lý Mỹ Kỳ), professionally known as Maggie Q, is an American actress, activist and model. She began her professional career in Hong Kong, with starring roles in the action films Gen-Y Cops (2000) and Naked Weapon (2002), before appearing in the American productions Mission: Impossible III (2006), Live Free or Die Hard (2007), Priest (2011) and The Protégé (2021). 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). Q starred in the title role on The CW action-thriller series Nikita (2010–2013), and also had a main role as FBI Special Agent Hannah Wells in the political thriller series Designated Survivor (2016–19). She provided the voice of Wonder Woman on the animated series Young Justice (2012–19).