Sara Gilbert (born Sara Rebecca Abeles; January 29, 1975) is an American actress, best known for her role as Darlene Conner on the ABC sitcom Roseanne (1988–1997; 2018), for which she received two Primetime Emmy Award nominations. She is also co-host and creator of the CBS daytime talk show The Talk and has had a recurring role as Leslie Winkle on CBS's The Big Bang Theory.