Two girls without blood relationship but physically the same. One is shy and educated, the daughter of a good class marriage and the other is a very clever orphan but with terrible manners who lives in a kind of shelter.
| Actor | Role |
|---|---|
 Francisco ÁlvarezDr. Roque Goñi | Dr. Roque Goñi |
 Mirtha LegrandMirtha Rogelli, "Trencita" | Mirtha Rogelli, "Trencita" |
 Silvia LegrandSilvia Arriaga | Silvia Arriaga |
 Maruja Gil QuesadaTeresa | Teresa |
 Roberto AiraldiRicardo Arriaga | Ricardo Arriaga |
 Hilda SourNilda Kraus | Nilda Kraus |
 Oscar ValicelliRaúl Arriaga | Raúl Arriaga |
 Arturo BamioNot listed | Not listed |
 Elisa LabardénNot listed | Not listed |
 Fernando CamposNot listed | Not listed |
 Julio RenatoNot listed | Not listed |
| HHaydeé LarrocaNot listed | Not listed |