 After finishing school in 1949 he enrolled into the Geological research faculty of the Moscow's Gold and Non-ferrous metals Institute where he studied up until 1955, making frequent trips to the Central Asian Soviet republics for professional practice.After the graduation Belyavsky spent several years in Irkutsk, working for the East-Siberian Geological department.He made his debut as an actor at the Irkutsk Drama Theatre, playing Molchalin in Alexander Griboyedov's "Woe from Wit".