Claire Mathison is the protagonist of Homeland.
Carrie Anne Mathison , played by actress Claire Danes , is a fictional character and the protagonist of the American television drama/thriller series Homeland on Showtime , created by Alex Gansa and Howard Gordon . Homeland (TV series) . The series stars Claire Danes as Carrie Mathison , a Central Intelligence Agency officer with bipolar disorder , and Damian Lewis as Nicholas Brody , a U.S. Marine Corps Scout Sniper .