The sisters Britta and Ellinor live with their grandfather, music professor Libergius, teacher and leader of the city's orchestra association. In the city there is also a youthful jazz band - to the professor's horror.
| Actor | Role |
|---|---|
 Bibi JohnsNot listed | Not listed |
| AAmy JelfNot listed | Not listed |
 Stig JärrelNot listed | Not listed |
 Jan MalmsjöNot listed | Not listed |
| CCurt Minimal ÅströmNot listed | Not listed |
 Jan MolanderNot listed | Not listed |
 Sigge FürstNot listed | Not listed |
 Märta DorffNot listed | Not listed |
 Lissi AlandhNot listed | Not listed |
| VVerner EdbergNot listed | Not listed |
| LLeppe SundevallNot listed | Not listed |
 Wiktor AnderssonNot listed | Not listed |
 Ingeborg NybergNot listed | Not listed |
 Ragnar ArvedsonNot listed | Not listed |
 Elsa Ebbesen-ThornbladNot listed | Not listed |
| PPer AppelbergNot listed | Not listed |
 Eric GustafsonNot listed | Not listed |
 Helga BrofeldtNot listed | Not listed |
 Margit AndeliusNot listed | Not listed |
 John MelinNot listed | Not listed |
 Carin SwenssonNot listed | Not listed |
 Birger LensanderNot listed | Not listed |
| KKarin Appelberg-SandbergNot listed | Not listed |
| AAlf ÖstlundNot listed | Not listed |
 Thore EhrlingNot listed | Not listed |
| MMariann NordwallNot listed | Not listed |
| FFritz UdénNot listed | Not listed |
| JJohn StarckNot listed | Not listed |