Kathryn Erbe is an American actress best known for her role as Detective Alexandra Eames on the television series Law & Order: Criminal Intent. She has appeared in various films and television shows, showcasing her talent in both dramatic and comedic roles. Born on July 5, 1970, in Newton, Massachusetts, Erbe studied at Boston University and later gained recognition for her performances in theater. In addition to her work on television, she has appeared in movies such as Stir of Echoes and The Last Goodbye.