Megan Mullally (born November 12, 1958) is an American actress, singer and media personality.
After working in the theatre in Chicago, Mullally moved to Los Angeles in 1981 and began to appear in several small roles in film and television productions. She made her Broadway debut in 1994 and she has since appeared in several Broadway musicals since, such as Grease and Young Frankenstein.
From 1998 until 2006, she played Karen Walker on the TV sitcom Will & Grace. She won two Emmy Awards and four Screen Actors Guild Awards for her performance, and was nominated four times for a Golden Globe Award.