Kathryn Hahn is an American actress who is best known for her roles in films such as Step Brothers, We're the Millers, and Bad Moms. She is also a successful television actress, having starred in shows such as Crossing Jordan, Transparent, and I Love Dick. Her performance in Transparent earned her an Emmy nomination for Outstanding Guest Actress in a Comedy Series. Hahn is known for her ability to play both comedic and dramatic roles, making her a versatile and transparent actress.