Juan, a fisherman, finds a beautiful baby girl inside his boat. He and his wife take in the baby as their own child and name her Maria del Mar. Years later, after she turns 20, everything changes.
| Actor | Role |
|---|---|
 Rosita ArenasMaría del Mar | María del Mar |
 Víctor Manuel MendozaSalvador | Salvador |
 Irma TorresMaruca | Maruca |
 Andrés SolerEl abuelo Nando | El abuelo Nando |
 Alberto MariscalAquilino | Aquilino |
 Domingo SolerJuan | Juan |
 Tana LynnAurora | Aurora |
 Beatriz RamosDoña Esperanza | Doña Esperanza |
 Maruja GrifellAsistente de Aurora | Asistente de Aurora |
 Eugenia GalindoNot listed | Not listed |
 Antonio R. FraustoDon Julio | Don Julio |
| AAlejandro AlgaraFacundo | Facundo |
| AAndrés HuescaMúsicos | Músicos |
| AAlfonso AlvaradoCantinero | Cantinero |
 Ramón BugariniCosteño | Costeño |
| RRubén MárquezHombre cantina | Hombre cantina |
| AAcela VidaurriSirvienta | Sirvienta |
| AAdalberto RamirezNot listed | Not listed |