Shepherd Kostya Potekhin is mistaken for an international concert star. He falls in love with Anyuta and plays the "star" for her. In a cascade of comic musical numbers he becomes the leader of a Jazz-Band and gives a hilarious show at the Odesa Music Hall. Now he is destined to perform at the Bolshoi Theatre in Moscow.
| Actor | Role |
|---|---|
 Leonid UtyosovKostya Potekhin | Kostya Potekhin |
 Lyubov OrlovaAnyuta, the housemaid | Anyuta, the housemaid |
 Mariya StrelkovaYelena, child of the Foreign Trade Union | Yelena, child of the Foreign Trade Union |
 Fyodor KurikhinMortician | Mortician |
 Emmanuil GellerMusic-hall audience member (uncredited) | Music-hall audience member (uncredited) |
 Yelena TyapkinaAnyuta's stepmother | Anyuta's stepmother |
 Niki OttoMusician, fight instigator | Musician, fight instigator |
 Arnold ArnoldFraschini, the conductor from Paraguay | Fraschini, the conductor from Paraguay |
| RRobert ErdmanGerman music teacher | German music teacher |