Cacilda Becker was a Brazilian actress. She was considered one of the most important personalities in the Brazilian theater scene and a leader in the category during the early phase of the Military Regime of 1964.
Cacilda Becker (1921-1969) was born in Pirassununga, São Paulo, on April 6, 1921. She was the daughter of Edmondo Yáconis and Alzira Becker, Italian immigrants. When she was six years old, her parents separated, and Cacilda and her sisters were raised solely by their mother in the city of Santos.
In 1940, she began her career at the Teatro do Estudante do Brasil. In 1948, she joined the Teatro Brasileiro de Comédia (TBC) after being hired for the 
play “Mulher do Próximo,” by Abílio Pereira de Almeida. In a short time, she became the leading actress of the company. Among her major works during this period are “Seis Personagens à Procura de um Autor,” by Luigi Pirandello, and “Antígona,” by Sophocles.
In cinema, she worked in “A Luz dos Meus Olhos” in 1947 and “Floradas na Serra” in 1954. In 1958, she founded her own company alongside actors Walmor Chagas, her husband, and Ziembinski. She staged plays such as “Longa Jornada Noite Adentro,” by Eugene O’Neill, and “A Visita da Velha Senhora,” by Durrenmatt.
In 1968, she presided over the State Theater Commission in São Paulo. On May 6, 1969, during a performance of “Esperando Godot,” by Samuel Beckett, in which she acted alongside Walmor Chagas, she suffered a stroke and was taken to the hospital, remaining in a coma until she passed away 38 days later. Cacilda Becker Yáconis died in São Paulo on June 14, 1969.
Source: www.ebiografia.com, by Dilva Frazão