Rio da Dúvida (2018)
The film recreates the Roosevelt-Rondon Scientific Expedition (1913-1914), commanded by the Brazilian colonel Cândido Mariano da Silva Rondon and former US president Theodore Roosevelt. Together, they crossed the Pantanal and Amazon Rainforest to explore the mysterious Doubt River.
Director: Joel Pizzini
![]() |
Rodolfo Vaz as Rondon |
![]() |
Xando Graça as Theodore Roosevelt |
| Sound | Lívio Tragtenberg | Music |
| Directing | Joel Pizzini | Director |
| Writing | Mário César Cabral Marques | Writer |
| Writing | Joel Pizzini | Writer |
| Production | Patrícia Civelli | Producer |
| Production | Mário César Cabral Marques | Producer |
| Production | Cláudio Petráglia | Producer |
| Camera | Luís Abramo | Director of Photography |