Two twin sisters have completely different ways of loving: to one love is profound, to the other is carnal.
| Actor | Role |
|---|---|
 Mirtha LegrandInés Després | Inés Després |
 Silvia LegrandSor Elisabeth | Sor Elisabeth |
 Jorge MistralJaime Alonso | Jaime Alonso |
 Mecha OrtizMadre Superiora | Madre Superiora |
 Ana Luisa PeluffoSusana | Susana |
 Ernesto BiancoJorge Vernier / Bob | Jorge Vernier / Bob |
 Wolf RuvinskisInspector Maldonado | Inspector Maldonado |
 Noemí LaserreNot listed | Not listed |
 Rodolfo OnettoComodoro Miguel Morales | Comodoro Miguel Morales |
| HHaydeé LarrocaSor Encarnación | Sor Encarnación |
 Maurice JouvetNot listed | Not listed |
 Cayetano BiondoNot listed | Not listed |
| AAída VilladeamigoNot listed | Not listed |
 Eduardo MuñozNot listed | Not listed |
| CCelia GeraldySor Eloísa | Sor Eloísa |