Catherine Anne O'Hara (March 4, 1954 – January 30, 2026) was a Canadian and American actress and comedian, whose career spanned over 50 years. O'Hara started in sketch and improvisational comedy in film and television before taking dramatic roles to expand her career. She received various accolades including two Primetime Emmy Awards, a Golden Globe Award, and four Screen Actors Guild Awards. Her films have grossed more than US$4.3 billion worldwide. She was appointed an Officer of the Order of Canada in 2017. O'Hara began her career in a starring role on the CBC Television children's television sitcom Coming Up Rosie in 1975, and came to prominence in the sketch comedy series Second City Television (SCTV; 1976–1984), for which she won a Primetime Emmy Award. She gained acclaim acting in films such as After Hours (1985), Heartburn (1986), Beetlejuice (1988), Home Alone (1990), and Home Alone 2: Lost in New York (1992). She acted in the Christopher Guest mockumentary films Waiting for Guffman (1996), Best in Show (2000), A Mighty Wind (2003), and For Your Consideration (2006). She voiced roles in The Nightmare Before Christmas (1993), Chicken Little (2005), Over the Hedge, Monster House (both 2006), Where the Wild Things Are (2009), Frankenweenie (2012), Elemental (2023), and The Wild Robot (2024). Appearing opposite Eugene Levy, a frequent castmate in SCTV and Guest's films, O'Hara experienced a career resurgence for her role as Moira Rose in the CBC sitcom Schitt's Creek (2015–2020), earning a Primetime Emmy Award and a Golden Globe Award. She was also Emmy-nominated for her roles in the HBO television film Temple Grandin (2010), the HBO drama series The Last of Us (2025), and the Apple TV+ comedy series The Studio (2025). She also acted in the HBO drama series Six Feet Under (2003–2005) and the Netflix series A Series of Unfortunate Events (2017–2019).