Galina Korotkevich

Character: Nadezhda

Vladimir Petrov

Character: Mikhail

Yuri Bublikov

Character: Yasha

Anatoliy Kuznetsov

Character: Krylov Ivan Ivanovich

Vladimir Taskin

Character: Academician Alexander Alexandrovich Petrov

Georgy Anchits

Character: Suzdaltsev

Lev Shostak

Character: Zdobnov

Lyudmila Ponomareva

Character: Katya

Anatoli Abramov

Character: hostel commandant

Alexandra Trishko

Character: Aunt Masha