Complex sentence: Marie-Hélène Demongeot, known asMylène Demongeot (born 29 September 1935 in Nice, Alpes-Maritimes) is a French actress who has appeared in 72 films since 1953.
Split into simpler sentences: Marie-Hélène Demongeot, known as Mylène Demongeot (born 29 September 1935 in Nice, Alpes-Maritimes) is a French actress with a career spanning six decades. She has appeared in 72 films since 1953.