Two brilliant tango singers struggle to the top of their profession and cope with obstacles to their personal romance.
| Actor | Role |
|---|---|
 Libertad LamarqueElda | Elda |
 Santiago ArrietaFabián | Fabián |
 Enrique SerranoEnrique | Enrique |
 Domingo SapelliDon Julián | Don Julián |
| DDora DavisCaladria | Caladria |
 CharloCantor | Cantor |
 Héctor CalcañoManeco | Maneco |
 Pepita MuñozNot listed | Not listed |
| EErnesto FamaNot listed | Not listed |
| FFrancisco LomutoNot listed | Not listed |
 Miguel Gómez BaoNot listed | Not listed |
 Gogó AndreuNot listed | Not listed |
 Roberto GrelaNot listed | Not listed |