Catherine Louise Sagal (born January 19, 1954) is an American actress and singer-songwriter. She is known for playing Peggy Bundy on Married... with Children, Leela on Futurama, and Cate Hennessy on 8 Simple Rules. In the latter role, Sagal worked with John Ritter until his death, leading to Sagal's taking over as the series lead for the remainder of the show's run. She is also widely known for her role as Gemma Teller Morrow on the FX series Sons of Anarchy, for which she won the Golden Globe Award for Best Actress – Television Series Drama in 2011.