Sergei YablokovSergei Yablokov was >> in Three Friends and an Invention as 'Махов'.Olga TretyakovaOlga Tretyakova was >> in Three Friends and an Invention as 'Даша'.Aleksei PopovAleksei Popov was 35 in Three Friends and an Invention as 'капитан'.S. LavrentyevS. Lavrentyev was >> in Three Friends and an Invention as 'Ахов'.
Nikolai RomanovNikolai Romanov was 19 in Three Friends and an Invention as 'комсомолец'.Aleksei PopovAleksei Popov was 35 in Three Friends and an Invention as 'Writer, Director'Mikhail KarostinMikhail Karostin was >> in Three Friends and an Invention as 'Writer'