Lorenzo Inclán, a famous Mexican songwriter, is torn between helping a girl become a famous singer or having a romantic relationship with her.
| Actor | Role |
|---|---|
 Fernando SolerLorenzo Inclán | Lorenzo Inclán |
 Rosita QuintanaLupe Herrera | Lupe Herrera |
 Raúl RamírezMario Gallardo | Mario Gallardo |
 Domingo SolerDon Federico Fernández | Don Federico Fernández |
 Alejandro CiangherottiAdmirador de Lupe | Admirador de Lupe |
 Arturo Soto RangelSeñor cura | Señor cura |
| OOmar JassoCliente de puestera | Cliente de puestera |
 Arturo Castro 'Bigotón'Don Maximino | Don Maximino |
 Luis Manuel PelayoFélix | Félix |
 Pedro VargasPedro Vargas | Pedro Vargas |