as Karp Trofimovich Sidorenko
as Leokadiya Mikhaylovna
as Nastya
as Tamara Vasilyevna Sperantova
as Pyotr Petrovich Sperantov
as Professor Utyatin
as The druggist
as Evdokiya Ivanovna Sidorenko
as Petya Sydorenko
as experienced fisherman
as Alexander Ivanovich