Born out of a haphazard relationship between a nurse and a doctor, he grows up in his grandparents home, deprived of maternal love and care. As a teenager he works as a porter and hodman. Graduate of the Industrial High School in Braila and of the “G. Cavadia” Conservatory, class of 1947. He starts his career at the “Maria Filotti” Theatre in Braila (1949-1954), where there were two actors by the name of Stefan Mihailescu, so that he adds the name of Braila, his maternal grandmother’s name. Continues as an actor at the Theatre in Baia Mare (1956), then at the CFR Workers’ Theatre in Bucharest (1957) which later becomes the Giulesti Theatre, today “Odeon” Theatre.