[2] She and her brother joined the original cast of Teatro Caminito under the direction of Cecilio Madanes and performed in plays including A Streetcar Named Desire, Steel Magnolias, Woman of the Year, and My Fair Lady, among many others.

[3] In 1936, she had her film debut with Loco lindo,[3] which starred Luis Sandrini and Sofía Bozán, under the direction of Arturo S. Mom.

She followed with Ya tiene comisario el pueblo (1936) starring Agustín Irusta, Roberto Fugazot and Leonor Rinaldi.

[2] Several of her films of the 1940s had a variety of singing parts that were considered notable, including Cuando canta el corazón in 1941 by Richard Harlan, in which she sang several duets with Hugo del Carril; Papá tiene novia (1941) by Carlos Schlieper with Amanda Ledesma; La piel de zapa (1943) by Bayón Herrera, where she paired again with del Carril to sing “La noche de mis sueños”; Pobre mi madre querida (1947) was co-directed by Homero Manzi and Ralph Pappier and she worked with del Carril and Italian actress Emma Gramática); El último payador (1950), which was a tribute to José Betinotti; and in El patio de la morocha (1953) she premiered the tango "Patio mío" and the habanera "La retrechera".

[5] Starting in the late 1950s, Luz performed on television, participating in many series, such as Obras maestras del terror, Teatro de la noche, Las solteronas, Un cachito de vida, Esto es teatro, and many others.