Later on she got into a relationship with famous French writer and director Marcel Pagnol, whom she met in January 1939.

(1932), The Merry Monarch (based on Les Aventures du roi Pausole) (1933), Lucrèce Borgia (1935), L'homme du jour (1937), Accord final (1938), La Belle et la Bête (1946) and Les Parents terribles (1948).

Despite numerous parts in famous French films, Day ended her career as an actress in 1950 when she was 36 years old.

In February 1959, while on cruise in the Pacific, she and Solvay met a Tahitian girl at a Papeete market.

However, she became the center of Solvay's inheritance dispute having not been adopted at the time of his sudden death in 1960.