A student and tango aficionado stops singing when he finishes his career, but later relapses.
| Actor | Role |
|---|---|
 Alberto CastilloAlberto Briones | Alberto Briones |
 Mercedes CarrerasIrene madre / Irene hija | Irene madre / Irene hija |
 María Luisa SantésMarisa | Marisa |
 Francisco ÁlvarezEduardo | Eduardo |
 Alberto BelloDr. Anibal Paz | Dr. Anibal Paz |
 Nélida LobatoBailarina | Bailarina |
 Eber LobatoBailarín | Bailarín |
 Francisco CanaroÉl mismo | Él mismo |
 Héctor ArmendárizDr. Javier Paz | Dr. Javier Paz |
 Mario BaroffioEmpresario radical | Empresario radical |
| JJuan VillarrealPaciente | Paciente |
| EElvira Joaquina Rodrígues LimaNot listed | Not listed |
 Olga VilmarNot listed | Not listed |
 Susana RubioTeresa | Teresa |