Kathryn Hahn. Actress: Love. Sex. Life.. Kathryn Marie Hahn is an American actress and comedian. She became a worldwide phenomenon when she starred as Agatha Harkness in the Marvel Cinematic Universe miniseries WandaVision (2021) for which she received critical acclaim and a nomination for the Primetime Emmy Award for Outstanding Supporting Actress in a Limited Series or Movie. She was born in Westchester, Illinois, but her family then moved to Cleveland,...