Kathryn Marie Hahn is an American actress. She began her career on television, starring as a grief counselor in the NBC crime drama series Crossing Jordan (2001–2007). Hahn gained prominence appearing as a supporting actress in a number of comedy films, including How to Lose a Guy in 10 Days (2003), Anchorman: The Legend of Ron Burgundy (2004), Step Brothers (2008), Our Idiot Brother (2011), We're the Millers and The Secret Life of Walter Mitty, and Glass Onion: A Knives Out Mystery (2022).