10 Actors Who Guest Starred On Seinfeld Before They Were Famous
3. Debra Messing
Debra Messing appeared as Beth in both Season 7 Episode 21, "The Wait Out" and Season 8 Episode 19, "The Yada Yada. Beth is a friend of Jerry and Elaine's, but after her divorce Jerry swoops in immediately to start dating her. However, he's quickly turned off her when he realizes that she is an anti-Semite and a racist.
Messing later got the lead role is Will and Grace, which went on to last for 8 seasons. She also had the lead in the series The Mysterious of Laura.