A man is looking for a radio singer named "Dulcineia." For this, he goes through the biggest hassles and problems. The plot, in fact, is an excuse for the exhibition of the musical numbers of the greatest Brazilian Radio artists.
| Actor | Role |
|---|---|
 AlmiranteThemself | Themself |
 Ary BarrosoThemself | Themself |
 Aurora MirandaThemself | Themself |
 Carmen MirandaThemself | Themself |
 MesquitinhaThemself | Themself |
 Adhemar GonzagaThemself | Themself |
 César LadeiraThemself | Themself |
 Virgínia LaneThemself | Themself |
 Francisco AlvesThemself | Themself |
 Dircinha BatistaThemself | Themself |
| SSimao BoutmanThemself | Themself |
| SSilvio CaldasThemself | Themself |
| CChicoThemself | Themself |
 Apolo CorreiaThemself | Themself |
| EElisa Coelho de AlmeidaThemself | Themself |
| IIvo AstolphiBando da Lua | Bando da Lua |
| OOswaldo de Moraes EboliBando da Lua | Bando da Lua |
| HHélio JordãoBando da Lua | Bando da Lua |
| AAloysio de OliveiraBando da Lua | Bando da Lua |
| AAfonso OsórioBando da Lua | Bando da Lua |
| AArmando OsórioBando da Lua | Bando da Lua |
| SStênio OsórioBando da Lua | Bando da Lua |
| HHélio JordãoThemself | Themself |
| BBarbosa JúniorThemself | Themself |
| IIvan LopesThemself | Themself |
| NNina MarinaThemself | Themself |
| CCavalo MarinhoThemself | Themself |
 Custódio MesquitaThemself | Themself |
| MMineiroThemself | Themself |
| MManoel MonteiroThemself | Themself |