Leonid Komkov, despite his lack of experience, is obsessed with becoming a helmsman on a riverboat.
| Actor | Role |
|---|---|
 Sergei ProkhanovLyonya Komkov | Lyonya Komkov |
 Galina KomarovaVera | Vera |
 Svetlana ZhgunKatya | Katya |
| TTamara ValasiadiMarya Ignatyevna | Marya Ignatyevna |
| YYevgeniya BortkoLyonya's mother | Lyonya's mother |
| VValeri SomovNot listed | Not listed |
 Antanas GabrėnasAveryan Stepanovich | Averyan Stepanovich |
 Sergei Gurzo Ml.Sanya | Sanya |
 Valentin ZubkovGuriy Ivanovich | Guriy Ivanovich |
 Pavel VinnikSafronych | Safronych |
 Aleksei SvekloArtur | Artur |
 Mikhail IvanovNot listed | Not listed |