Salaryman leads a double life, staying out all night singing tangos in a pool room.
| Directing | Julio Saraceni | Director |
| Writing | Rodolfo Sciammarella | Screenplay |
| Writing | Carlos A. Petit | Screenplay |
| Crew | Antonio Merayo | Cinematography |
| Sound | Rodolfo Sciammarella | Music |
| Sound | Eduardo Rovira | Music Director |
| Editing | José J. Serra | Editor |
| Art | Jorge Beghé | Art Direction |