Nancy Lenehan is an American actress known for her work in television and film. She has appeared in various popular TV shows, including Malcolm in the Middle and The New Adventures of Old Christine. Lenehan is recognized for her versatile acting skills and has played both comedic and dramatic roles throughout her career. In addition to her television work, Lenehan has also acted in films such as The Truth About Cats & Dogs and The Last Word. Her contributions to the entertainment industry have made her a familiar face to audiences, showcasing her talent across multiple genres.