Catherine Lisa Bell (born August 14, 1968) is a British Iranian actress known for her role of Lt. Colonel Sarah MacKenzie of the television show JAG from 1997 to 2005. Currently she stars in the Lifetime Television hit series Army Wives as Denise Sherwood
Bell was born in London, England, the daughter of Mina, a personal assistant and nurse, and Peter Bell, an architect. Her mother is Iranian and her father Scottish.