Kathryn Hahn (born July 23, 1973) is an American actress, comedian, and producer. She began her career on television, starring as grief counselor Lily Lebowski in the NBC crime drama series "Crossing Jordan" (2001–2007). Hahn went on to appear as a supporting actress in a number of comedy films, including "How to Lose a Guy in 10 Days" (2003), ' (2004), "Step Brothers" (2008), ' (2009), "Our Idiot Brother" (2011), "We're the Millers" (2013), and "The Secret Life of Walter Mitty" (2013).