From the bowels of the Teatro Colón, the rehearsals and staging of the opera Einstein on the Beach are shown. Shot in the week leading up to opening night, the film captures the work of the artists, technicians and musicians who make this opera possible.
| Actor | Role |
|---|---|
| GGermán CamposNot listed | Not listed |
| MMartín BauerNot listed | Not listed |
 Analía CouceyroNot listed | Not listed |
 Maricel ÁlvarezNot listed | Not listed |
| IIván GarcíaNot listed | Not listed |