[1] When she told her father of her intentions to study acting, he refused and opposed due to his strict way of being, to the point of stopping talking to her.
As a result, she trained as a bilingual secretary at the Universidad de las Américas, A.C., from which she graduated at the age of 17, while also taking English and acting classes at City College.
[1] In 1954, Ríos began her formal training as an actress at the Andrés Soler Academy, belonging to the National Association of Actors (ANDA), where she had as teachers Celestino Gorostiza, Salvador Novo, and Seki Sano.
[2] The same year, she made her acting debut at the Palacio de Bellas Artes, where she starred in a play by the American playwright Arthur Miller, to which she was invited by Sano.
[1] Eleven years later, in 1982, Ríos reached the highest stage of her artistic career, after making a brief appearance as a supporting actress in Missing, an American film in which she shared credits with Jack Lemmon and Sissy Spacek.