Jacqueline Sassard (born 13 March 1940 in Nice, France) is an actress best known for appearances in Italian films such as Guendalina directed by Alberto Lattuada, a young woman with family and economical troubles in Luigi Zampa's Il Magistrato and Valerio Zurlini's Violent Summer (1959), in which her character was left by Jean-Louis Trintignant. Her best remembered role was in Joseph Losey's Accident, with a script by Harold Pinter (1967), where she played an Austrian princess. Her final screen appearance was in Le voleur de crimes (Crime Thief), directed by Nadine Trintignant in 1969. She left the film industry on her marriage to Gianni Lancia. They lived for a number years in Brazil before returning to live in Alpes-Maritimes in the south of France. They had a son, Lorenzo Lancia. Gianni Lancia died in 2014.