This film denounces the exploitation of natural resources by certain industries of extraction and transformation. This documentary is considered as the first Brazilian film on this theme.
| Directing | Leon Hirszman | Director |
| Writing | Mauro Fernandes Argento | Screenplay |
| Writing | Jorge Soares Marques | Screenplay |
| Crew | Jorge Xavier da Silva | Scientific Consultant |
| Crew | Maria Luísa F. Pereira | Scientific Consultant |
| Production | Max Lopes Chaves | Producer |
| Art | Régis Monteiro | Art Direction |
| Camera | Luiz Carlos Saldanha | Director of Photography |
| Editing | Nello Melli | Editor |