Calista Kay Flockhart (born on November 11, 1964) is an American actress. She was nominated for an Emmy Award. Flockhart won a Golden Globe award in 1998. She was on soap operas and other television shows. She is famous for her role as the main character in the 1997-2002 television show, "Ally McBeal". She played Sally Field's daughter, Kitty Walker, on the successful ABC drama, "Brothers & Sisters". She played a political campaign adviser.