Since 2011 , Danes has starred as Carrie Mathison in the Showtime series '' Homeland '' in which she plays an agent of the CIA who has bipolar disorder . Her character believes a United States Marine Corps war hero is planning a terrorist attack while being tapped for high-profile government service . The series costars Mandy Patinkin and Damian Lewis . She won the 2013 Golden Globe and the 2012 Golden Globe for Best Actress in a Television Series for her performance . She also won the 2012 and 2013 Emmy for Outstanding Lead Actress in a Drama Series for her performance in '' Homeland '' . In 2012 , '' TIME '' magazine named Danes one of the 100 most influential people in the world
2013 Golden Globe
70th Golden Globe Awards
Claire Danes