Marguerite Cassan was born on March 28, 1923 in Nice, Alpes-Maritimes, France. She was an actress and writer, known for Le théâtre de la jeunesse (1960), Sylvie et le fantôme (1946) and The Breach (1970). She died on April 22, 1989 in Créteil, Val-de-Marne, France.