Edith Falco (born July 5, 1963) is an American actress. She is best known for her roles as Carmela Soprano on the HBO series The Sopranos (1999–2007), and as Nurse Jackie Peyton on the Showtime series Nurse Jackie (2009–2015). She is also known for her role as Diane Whittlesey in HBO's prison drama Oz (1997–2000).