The film chronicles both the life and work of Brazilian author and engineer Euclides da Cunha and a failed attempt at directing his biopic in the 1980s and 1990s. Footage from the unfinished film is included alongside archive and documentary material.
| Actor | Role |
|---|---|
| BBreno MoroniEuclides da Cunha | Euclides da Cunha |
 Katja AlemannAna | Ana |
 Grande OteloLepto | Lepto |
 Ana Maria MagalhãesNot listed | Not listed |
| AArnaldo CarrilhoNot listed | Not listed |
| AAustregésilo de AthaydeNot listed | Not listed |
 Ítala NandiNot listed | Not listed |
 Dilma LóesNot listed | Not listed |
 Emmanuel CavalcantiNot listed | Not listed |
 José Celso Martinez CorrêaNot listed | Not listed |
| KKim NegroNot listed | Not listed |
| LLuís Carlos PrestesNot listed | Not listed |
 Nelson Pereira dos SantosNot listed | Not listed |
| NNoilton NunesNot listed | Not listed |