Nathalie Baye, the French actress who starred in Downton Abbey: A New Era, Catch Me If You Can, has died at the age of 77 after a battle with Lewy body dementia. Her acting career began in the 1970s with a breakthrough performance in 1973's Day For Night. She starred in over 80 movies and won three Césars in her lifetime. In the wake of her death, French President Emmanuel Macron shared a tribute to Baye.