Mary Marquet studied acting at the Conservatoire and was encouraged by 'Sarah Bernhardt . After the mid-sixties, she almost exclusively appeared in TV movies or series. Mary Marquet died in August 1979 and was buried in Montmartre cemetery.
Was romantically linked to actor Firmin Gmier with whom she had a son, Franois; actor Marcel Journet , French minister Andr Tardieu and playwright Edmond Rostand.
Daughter of comedians Marcel Marquet and Louise Loisel.