A group of illegal immigrants find a job in a French mine and organizes strikes to improve their working condition.
| Directing | Sergio Corbucci | Director |
| Writing | Siro Angeli | Writer |
| Writing | Sergio Corbucci | Writer |
| Writing | Vittoriano Petrilli | Screenplay |
| Writing | Alberto Vecchietti | Writer |
| Writing | Pasquale Zecca | Writer |
| Production | Pietro Bigerna | Producer |
| Sound | Carlo Franci | Music |
| Crew | Gianni Di Venanzo | Cinematography |
| Editing | Elsa Arata | Editor |
| Editing | Gabriele Varriale | Editor |
| Art | Sergio Baldacchini | Set Designer |
| Directing | Sergio Sollima | Assistant Director |
| Crew | Savino Fino | Special Effects |