Gran Valor works in a bar and has an extraordinary memory. After loosing in an entertainement TV show he decides to help his friends in the university.
| Actor | Role |
|---|---|
 Juan Carlos CalabróGran Valor / Alfredo Márquez | Gran Valor / Alfredo Márquez |
 Mónica GonzagaAdelita | Adelita |
 Adriana AguirreLuz | Luz |
 José CibriánDr. Jaime Márquez | Dr. Jaime Márquez |
 Emilio VidalDon Antonio | Don Antonio |
 Nelly LáinezSrta. Goyeneche | Srta. Goyeneche |
 Aída LuzDoña Lucía | Doña Lucía |
 Jorge SassiJorge | Jorge |
 Silvio SoldánHimself | Himself |
| JJaimito CohenPetaca | Petaca |
| MMarcelo AlfaroAlfredo Márquez | Alfredo Márquez |
| EErnesto NoguésJurado | Jurado |
| LLuis CorradiDoctor | Doctor |
 Carlos del BurgoNot listed | Not listed |
| RRicardo DupontNot listed | Not listed |