Catherine Anne O'Hara (born March 4, 1954) is a Canadian-American actress, writer, and comedian. She is known for her comedy work on Second City Television and films such as After Hours (1985), Beetlejuice (1988), Home Alone (1990), Home Alone 2: Lost In New York (1992), and The Nightmare Before Christmas (1993), and also in the mockumentary films written and directed by Christopher Guest, including Waiting for Guffman (1996), Best in Show (2000), A Mighty Wind (2003), and For Your Consideration (2006).