Sara Gilbert
Sara Gilbert (/ˈɡɪlbərt/; born Sara Rebecca Abeles; January 29, 1975) is an American actress, best known for her role as Darlene Conner on the ABC sitcom Roseanne from 1988 to 1997, as co-host and creator of the daytime talk show The Talk and for her recurring role as Leslie Winkle on CBS's The Big Bang Theory.