Rosier was born on 2 January 1945 in
Martinique,
French West Indies. She was the daughter of the Martiniquais writer and painter
Yva (née de Montaigne) and her husband, politician and mathematics instructor
Thélus Léro. She is perhaps best known for her role as the pianist Valerie in
Jean-Pierre Melville's
Le Samouraï (1967). She also released her own musical album, entitled
Cathy Banana. Rosier died on 17 May 2004 in
Marrakesh, Morocco, from a ruptured
aorta. ==References==