Irene Beatriz de Mattos Brietzke (December 7, 1944 – September 14, 2021[1]) was a Brazilian actress and theatre director.
Brietzke debuted as an actress in 1966 in the children's play "Quatro pessoas passam enquanto as lentilhas cozinham" by Stuart Walker, directed by Ivo Bender.
The following year, she began to study theater at the Center of Dramatic Art of the Federal University of Rio Grande do Sul.
In the course, she participated in montages with texts by Lorca ("Dona Rosita, a solteira", 1967), Brecht and Weill ("A ópera dos três vinténs", 1969) and Ésquilo ("Agamemnon", 1971).
Back in Porto Alegre, in 1976 she became professor of theater direction and interpretation in the Department of Dramatic Art of the Federal University of Rio Grande do Sul.