A frequent collaborator with director Costa-Gavras, Bonnot earned an Oscar for "Z" (1969) and a British Academy Award for "Missing" (1981). She began her career editing "A Monkey in Winter" (1962) and has continued into the 1990s. Among her other notable credits are Michael Cimino's "Year of the Dragon" (1985), Roland Joffe's "Fat Man and Little Boy" (1989) and "Pourquoi mamn est dans mon lit?" (1994). Her mother, Monique Bonnot, cut several films for Jean-Pierre Melville and her brother, Alain Bonnot, is an assistant director.