The man who changed Brazilian journalism. The film focuses on the period of Samuel's life spanning from 1951—the year the newspaper Última Hora was founded—to the mid-1960s, when its decline began.
| Actor | Role |
|---|---|
| SSamuel WainerSelf (archive footage) | Self (archive footage) |
| JJorge da Cunha LimaSelf | Self |
 Mário PrataSelf | Self |
 Nelson MottaSelf | Self |
| RRicardo AmaralSelf | Self |
| MMartha AlencarSelf | Self |
| MMaria Lúcia RangelSelf | Self |
| VVania ToledoSelf | Self |
| MMarta GoesSelf | Self |
 Ignácio de Loyola BrandãoSelf | Self |
| KKarla MonteiroSelf | Self |
 Fernando GabeiraSelf | Self |
| AAlzira AbreuSelf | Self |
| MMarialva BarbosaSelf | Self |
| JJoão Carlos RodriguesSelf | Self |
 Carlos LyraSelf (archive footage) | Self (archive footage) |
 Ana Paula Goulart RibeiroSelf | Self |
 Antônio BivarSelf | Self |
 Carlos GregórioNarrator | Narrator |