Catherine O'Hara is a Canadian-American actress, comedian, and screenwriter, known for her work in the comedy troupe The Second City and on the television show *SCTV*, for which she won a Primetime Emmy Award for writing. Her film career includes iconic roles such as Delia Deetz in Tim Burton's *Beetlejuice* and Kate McCallister in the *Home Alone* film series. She has also frequently collaborated with director Christopher Guest on acclaimed mockumentaries such as *Best in Show* and *A Mighty Wind*, showcasing great improvisational skill. On television, she achieved global success and critical acclaim for her portrayal of Moira Rose in the sitcom *Schitt's Creek* (2015-2020). For this role, she won numerous awards, including a Golden Globe, an Emmy Award, and two Screen Actors Guild Awards for Best Lead Actress in a Comedy Series. Her versatility and distinctive comedic talent have made her one of the most respected figures of her generation.