Paget Valerie Brewster, born March 10, 1969, is an American actress and singer. She was first recognized for her recurring role as Kathy on the fourth season of the NBC sitcom Friends. Her breakthrough role came as FBI Supervisory Special Agent Emily Prentiss on the crime drama Criminal Minds, on which she appeared regularly from 2006 to 2012, and then returned to for guest appearances, before returning regularly in 2016. Her other roles include voicing Elise and Mr. Mumbles on Dan Vs., Frankie ...