A filmed record of former president Theodore Roosevelt's and Cândido Rondon's 1913-14 expedition to the then uncharted Rio da Dúvida, later renamed the Roosevelt River.
| Actor | Role |
|---|---|
 Theodore RooseveltSelf | Self |
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A filmed record of former president Theodore Roosevelt's and Cândido Rondon's 1913-14 expedition to the then uncharted Rio da Dúvida, later renamed the Roosevelt River.
| Actor | Role |
|---|---|
| Theodore RooseveltSelf | Self |