A young woman, member of an orchestra of young ladies, is mistaken for the eccentric conductor and causes a series of problems.
| Actor | Role |
|---|---|
 Niní MarshallNina / Giovannina | Nina / Giovannina |
 Francisco ÁlvarezDon Francisco Sánchez | Don Francisco Sánchez |
 Zully MorenoBlanca | Blanca |
 Pedro QuartucciRodolfo Sánchez | Rodolfo Sánchez |
 Victoria CuencaNot listed | Not listed |
 Arturo BamioNot listed | Not listed |
| HHéctor VozzaNot listed | Not listed |
 SemillitaNot listed | Not listed |
 Judith SuliánNot listed | Not listed |
 Julio RenatoNot listed | Not listed |
| MMorena ChioloNot listed | Not listed |
| AAmbrosio RadrizzaniNot listed | Not listed |
| PPedro PorzioNot listed | Not listed |