Stamen, a civil engineer, gets a new assignment. He has to leave the capital and his friends and go to the construction site of a huge dam. On the train he meets Katya. He thinks she is an actress....
| Actor | Role |
|---|---|
 Apostol KaramitevEngineer Stamen Petrov | Engineer Stamen Petrov |
 Valentina BorisovaKatya | Katya |
 Bozhidar LechevNikolay | Nikolay |
 Dimitar PanovBay Petko | Bay Petko |
 Georgi PopovDirector | Director |
 Gerasim MladenovNot listed | Not listed |
| MMilko ChervenkovNot listed | Not listed |
| SStoil PopovNot listed | Not listed |
 Yuriy YakovlevNot listed | Not listed |
| VVasil VasilevNot listed | Not listed |
| IIvan YakimovNot listed | Not listed |