Theatre director. He was a member of the Universitas company in 1962-8 before setting up Kassák House Studio in 1969. The latter was banned on political grounds in 1972, after which he confined himself to given lectures in his home. In 1976, some of the company left for France and later settled in the United States, where he, István Bálint and other members set up the Squat Theater. Halász left the company in 1985 to set up the Love Theater. In 1992, he began to direct and act again in Hungary and became a professor of the Unviersity of Drama and Cinema.