From playing a best friend in How To Lose A Guy in 10 Days to leading her own series Agatha All Along, we rank the best of Kathryn Hahn's filmography. Kathryn Marie Hahn (born July 23, 1973) is an American actress. She began her career on television, starring as a grief counsellor in the NBC crime drama series Crossing Jordan (2001–2007). Kathryn Hahn (born July 23, 1973) is an American actress. She played Lily for six years in the television program Crossing Jordan on NBC. She played a hippie in the sitcom Our Idiot Brother, also on NBC. [3] She also played Karen in the movie Wanderlust. Hahn was born in Westchester, Illinois, near Chicago. She was raised near Cleveland, Ohio. [4] Kathryn Hahn is an American talented actress and comedian. Her full name is Kathryn Marie Hahn. Her ability to bring humor and emotional depth to her performances has earned her a special place in the audience hearts. Born on July 23, 1973, in Westchester, Illinois, Hahn grew up in a Catholic family. Her father was a businessman, and her mother was a schoolteacher. She attended a Catholic school and then went on to study theater at Northwestern University in Evanston, Illinois. After ...