The positive assessment of the work of young historian Nadezhda Kovrova went to her head. Confident in her infallibility, she makes a mistake.
as Nadezhda
as Mikhail
as Yasha
as Krylov Ivan Ivanovich
as Academician Alexander Alexandrovich Petrov
as Suzdaltsev
as Zdobnov
as Katya
as hostel commandant
as Aunt Masha
