A well-bred young woman who prizes the virtue of fidelity remains faithful to the doctor who deflowers her, even after he marries her invalid sister.
| Actor | Role |
|---|---|
 Laura del SolAmelia Lópes O'Neil | Amelia Lópes O'Neil |
 Franco NeroFernando | Fernando |
 Laura BensonAnna | Anna |
 Valérie MairesseGinette | Ginette |
 Sergio HernándezIgor | Igor |
 Jaime VadellLawyer | Lawyer |
 Claudia di GirólamoFernando's Wife | Fernando's Wife |
| RRoberto NavarreteJournalist | Journalist |
| CCarla CristiPetronilla | Petronilla |
| FFernando BordeuThe Stranger | The Stranger |
 Edgardo BrunaValdes | Valdes |
 Tennyson FerradaMerchant Navy Captain | Merchant Navy Captain |
 Gloria MünchmeyerGinette's Mother | Ginette's Mother |
 María Elena DuvauchelleSilcia, the architect's wife | Silcia, the architect's wife |
| AAndrea ArrietaLittle Lily | Little Lily |
 José SozaPetronilla's Son | Petronilla's Son |
| LLuis VeraGinette's Singer Friend | Ginette's Singer Friend |
| AAgustin ZapataCristobal | Cristobal |
| JJaime HomThe Magician | The Magician |
| EEugenia MoralesProfessor | Professor |
| OOscar BaezaPriest | Priest |