One Day at a Time. At the time, Miller worked as one of the producers on the show, while Perez Riera watched over her son Marcel Ruiz, who played one of the kids on the series.
Marcel’s grandmother was played by Emmy, Grammy, Tony & Oscar-winner Rita Moreno–a woman who commanded the affection of both Perez Riera and Miller.
For Miller, a gay man, Moreno’s talent and bravado had made her into an icon. For the Puerto Rican documentarian Perez Riera, Moreno represented the realization of the American dream.Both Miller and Perez Riera decided that Rita Moreno should be the subject of a documentary, and much to Moreno’s surprise, they decided to collaborate.