Three supposed brothers ( a bolero singer, a tango singer and a mabo singer) are called for a musical magazine.
| Actor | Role |
|---|---|
 Alberto CastilloRadamés | Radamés |
 Amelita VargasAmnerys | Amnerys |
 Francisco CharmielloDino Grassi | Dino Grassi |
 Luis PrendesAmonarro | Amonarro |
 Francisco ÁlvarezNot listed | Not listed |
 Miguel de MolinaÉl mismo | Él mismo |
 Guillermo Brizuela MéndezPresentador | Presentador |
 Gloria FerrandizTía Laura | Tía Laura |
 Mario BaroffioNot listed | Not listed |