An industrialist's son becomes part of the communist party.
| Actor | Role |
|---|---|
 Alfonso De GraziaAtilio Roca | Atilio Roca |
 Julia SandovalJulia | Julia |
 Teresa BlascoAmanda | Amanda |
 Julio De GraziaHermano de Amanda | Hermano de Amanda |
 Pedro LaxaltCarmelo Roca | Carmelo Roca |
 Carlos CoresAgustín García Casas | Agustín García Casas |
 Osvaldo TerranovaDon Pedro | Don Pedro |
 Alberto BelloComisario | Comisario |
 Homero CárpenaInstructor | Instructor |
 Josefa GoldarSra. Roca | Sra. Roca |
 Claudio MartinoMauricio | Mauricio |
 Aldo MayoBertis | Bertis |
 Héctor GióvineArmando | Armando |