Were both Stuart Paton and Ivan Perestiani  Russian film directors?
Ivan Perestiani Ivan Nikolaevich Perestiani (also Ivane, Georgian: ივანე პერესტიანი ; Russian: Иван Николаевич Перестиани ; 13 April [O.S. 1 April] 1870 — 14 May 1959) was a Russian/Soviet film director, script-writer and actor, and People's Artist of the Georgian SSR (1949). He was of Kefalonian Greek descent.
Vladimir Petrov (director) Vladimir Petrov (Russian: Владимир Михайлович Петров , 22 July 1896 – 7 January 1966) was a Soviet film director and screenwriter. He directed 24 films between 1928 and 1964. Vladimir Petrov was awarded Stalin Prize five times: in 1941 (twice), 1946 (twice) and 1950.