 In 1964 Belyavsky joined the Stanislavsky and Nemirovich-Danchenko Theatre, then moved in 1966 to the Theatre-Studio of a Cinema Actor.All in all he appeared in more than one hundred films (working in Poland, East Germany, North Korea, Finland, France, Chekhoslovakia, United States), one of his best-known roles being that of villainous Fox in Stanislav Govorukhin's "The Meeting Place Cannot Be Changed" (1979).In the 1990s Belyavsky hosted several TV shows; he played Leonid Brezhnev in Igor Gostev's "Grey Wolves" (1993).