Catherine Anne O'Hara, a Canadian-American actress and comedienne, began her career at Second City Theatre in Toronto. She gained fame on SCTV alongside comedy icons like Rick Moranis and John Candy. Known for roles in films like "After Hours," "Beetlejuice," "Home Alone," and "The Nightmare Before Christmas," she's also renowned for her work in Christopher Guest's mockumentaries. Her versatility extends to voicing Grandma Frump in "The Addams Family." O'Hara received a Lifetime Artistic Achievement Award at the Governor General's Performance …