Roberto decides to ask for permission at the office because he suspects his wife has a lover and wants to catch her. A friend of the protagonist offers to investigate the woman with the intention of giving sufficient evidence of thedeception. However, he soon discovers that his wife knows his plans.
| Actor | Role |
|---|---|
 Lina MorganMatilde | Matilde |
| AArcadio BaqueroNot listed | Not listed |
| MMaría BanquerNot listed | Not listed |
 Germán CobosRoberto | Roberto |
| PPilar LagunaLaura | Laura |
 Félix FernándezAntonio, padre de Julita | Antonio, padre de Julita |
 Carmen LozanoLuisa | Luisa |
| AAntonio EscalesRamón | Ramón |
 Mercedes BorquéMadre de Roberto | Madre de Roberto |
| MMiguel MadridCompañero de Roberto | Compañero de Roberto |
 Juanjo MenéndezNovio de Luisa | Novio de Luisa |
 Gloria Fernán OsunaJulita | Julita |