A young singer falls madly in love with a man, with whom she forms a family. Problems, however, are not long in coming when she receives unfair accusations.
| Actor | Role |
|---|---|
 Libertad LamarqueIsabel / Issa Valetti | Isabel / Issa Valetti |
 Emilia GuiúAmanda | Amanda |
 José María Linares RivasFederico Montero | Federico Montero |
 Alejandro CiangherottiAntonio Quintero | Antonio Quintero |
 María Gentil ArcosLupe, nana | Lupe, nana |
 Amparo ArozamenaPepita | Pepita |
 Xavier LoyáRaúl, adulto | Raúl, adulto |
 Francisco JambrinaMarcos | Marcos |
 José PidalVázquez, empresario | Vázquez, empresario |
 Victorio BlancoTeatrero (no acreditado) | Teatrero (no acreditado) |
| GGloria CansinoEmpleada de teatro (no acreditada) | Empleada de teatro (no acreditada) |
| EElisa ChristyGloria (no acreditada) | Gloria (no acreditada) |
 Álvaro MatuteEmpleado de teatro (no acreditado) | Empleado de teatro (no acreditado) |
 Roberto MeyerComisario (no acreditado) | Comisario (no acreditado) |
| AAcela VidaurriEmpleada de teatro (no acreditada) | Empleada de teatro (no acreditada) |