A young woman working as a maid for a big time stage performer is mistaken for the star in Buenos Aires and becomes a great success in the land of the tango.
| Actor | Role |
|---|---|
 Sara MontielMarta Andreu | Marta Andreu |
 Maurice RonetDario Ledesma | Dario Ledesma |
 Isabel GarcésClarisa | Clarisa |
 Milo QuesadaCarlos Gardel | Carlos Gardel |
| LLuisa de CórdobaAdelina | Adelina |
 Alfonso GodáNot listed | Not listed |
 Laura GranadosLuisa Marival | Luisa Marival |
 Rafael BardemMaestro Andreu | Maestro Andreu |
 Juan CortésDr. Eladio Ferrer | Dr. Eladio Ferrer |
 María del PuyPatricia | Patricia |
 Mario MoralesCard Player | Card Player |
 José María LaberniéNot listed | Not listed |
| DDiego HurtadoNot listed | Not listed |
 Manuel GuitiánStage Manager | Stage Manager |
 Josefina SerratosaToo Potent Singer | Too Potent Singer |
 Rufino InglésNot listed | Not listed |
| TTeófilo PalouWell Travelled Man | Well Travelled Man |
| AAntonio VelaBoy giving bird cage to blind Sarita | Boy giving bird cage to blind Sarita |
 Agustín GonzálezManager of Teatro Esmeralda (uncredited) | Manager of Teatro Esmeralda (uncredited) |