Workers at the Numax factory in Barcelona conduct an experiment in self-management.
| Directing | Joaquim Jordà i Català | Director |
| Production | Agrupación de Trabajadores de Numax | Producer |
| Crew | Jaume Peracaula | Cinematography |
| Editing | Josep Maria Aragonés | Editor |
| Editing | Teresa Font | Editor |
| Sound | Joan Quilis | Sound |