Public-works engineer entrusted with a big project faces problems in his home life and conflicts with a corrupt local businessman.
| Actor | Role |
|---|---|
 Eric del CastilloIngeniero Carlos Rivas | Ingeniero Carlos Rivas |
 Tina RomeroMara | Mara |
 Lucy TovarLena | Lena |
 Alfredo Wally BarrónSalomón Cuevas | Salomón Cuevas |
 Miguel ManzanoDoctor Urbiola | Doctor Urbiola |
| JJorge VictoriaIngeniero Luis Ocampo | Ingeniero Luis Ocampo |
 Miguel Ángel FuentesPepe el mudo | Pepe el mudo |
 Alfredo Gutiérrez 'El Turco'Don Juan | Don Juan |
| CClaudio SorelIngeniero Álvarez | Ingeniero Álvarez |
| GGuillermo SeguraDaniel | Daniel |
 Paco SañudoLeónidas | Leónidas |