Private detectives Inés, Eva, and Carmen often invade others' privacy but are clueless about confronting their own secrets. While on the job, these three surveillance specialists will have to cross the thin line dividing public and private matters, bringing their own issues to light in order to solve more than just their professional cases.
| Actor | Role |
|---|---|
 Najwa NimriEva | Eva |
 Tristán UlloaIñaki | Iñaki |
 María VázquezInés | Inés |
 Diego MartínManuel | Manuel |
 Nuria GonzálezCarmen | Carmen |
 Antonio de la TorreSergio | Sergio |
 Fernando CayoValbuena | Valbuena |
 Manuel MorónSamuel | Samuel |
 Adolfo FernándezAlberto | Alberto |
 Mabel RiveraMujer engañada | Mujer engañada |
 Florentino SoriaNot listed | Not listed |
| IIrene HerranzNot listed | Not listed |
 Juanma LaraNot listed | Not listed |
 Aixa VillagránNot listed | Not listed |
 Puchi LagardeNot listed | Not listed |
 Marilyn TorresNot listed | Not listed |
 Antonio Durán 'Morris'Not listed | Not listed |
 Carlos SantosNot listed | Not listed |
 Gloria LópezNot listed | Not listed |
| JJorge PérezNot listed | Not listed |
| JJavier LorenzoNot listed | Not listed |
 Bart SantanaAntoñito | Antoñito |
 Laura DomínguezNot listed | Not listed |
 Xoel FernándezNot listed | Not listed |
| MMaite de LucasNot listed | Not listed |
| AAlex VillamayorNot listed | Not listed |
 José Luis RodríguezNot listed | Not listed |
 Rosendo MercadoSelf (uncredited) | Self (uncredited) |