In 1958, she was introduced in a title role in her first film, Sta. Rita de Cascia (Patrona ng Imposible). Many tested for the part of the Italian saint, but Rosemarie Gil was the unanimous choice.

A 56 meter (187 feet) imagine of Santa Rita of Cascia will be inaugurated on Saturday (26), in Santa Cruz, Rio Grande do Norte. She is the patron saint of the city.