Calista Kay Flockhart is an American actress. She is best known for portraying the title character on the Fox television series Ally McBeal (1997–2002), for which she received a Golden Globe Award in 1998 and was thrice nominated for the Primetime Emmy Award for Outstanding Lead Actress in a Comedy Series. From 2006 to 2011, she starred as Kitty Walker on the ABC drama series Brothers & Sisters, and between 2015 and 2021, Flockhart appeared as Cat Grant on the superhero drama Supergirl. In film, she is known for roles in The Birdcage (1996), A Midsummer Night's Dream (1999), and Things You Can Tell Just by Looking at Her (2000). Wikipedia