Between songs and games of military acrobatics, four boys who do military service establish relationships with as many young women.
| Actor | Role |
|---|---|
 Elio RocaNot listed | Not listed |
 Ricardo BauleoNot listed | Not listed |
 Soledad SilveyraNot listed | Not listed |
 Nené MoralesNot listed | Not listed |
 Romualdo QuirogaNot listed | Not listed |
 Ricardo MoránNot listed | Not listed |
 Tito MendozaNot listed | Not listed |
 Ismael EchevarríaNot listed | Not listed |
 Emilio VidalNot listed | Not listed |
 Blanquita SilvánNot listed | Not listed |
| AAlberto MazziniNot listed | Not listed |
 Esther VelázquezNot listed | Not listed |
| NNorma SebréNot listed | Not listed |
 Stella Maris LanzaniNot listed | Not listed |
| GGüendolinaNot listed | Not listed |
| EElena PedrazzoliNot listed | Not listed |
| MMario SavinoNot listed | Not listed |
| EErnesto CáceresNot listed | Not listed |
| JJosefina DanieleNot listed | Not listed |
| EErnesto GalvánNot listed | Not listed |
| BBetty CossoyNot listed | Not listed |
| BBlasito Martínez RieraNot listed | Not listed |
 Mercedes HarrisNot listed | Not listed |
| CCarlos Posadahimself | himself |