Mentxu and Lourdes Arrieta cannot speak. They cannot control their muscles. Two sisters born with a congenital disorder, labeled "retarded" or "lost" even by those who loved them, with no way to communicate, created a unique language for themselves.
| Actor | Role |
|---|---|
| LLourdes ArrietaNot listed | Not listed |
| MMentxu ArrietaNot listed | Not listed |
| EEsteban ArrietaNot listed | Not listed |
| CConchi OrmazabalNot listed | Not listed |
| JJulene BeldarrainNot listed | Not listed |
| TTulio RiverosNot listed | Not listed |
 Juan Miguel GutiérrezNot listed | Not listed |
| MMamen TerceroNot listed | Not listed |
| YYadira PluasNot listed | Not listed |