The River of Doubt
| MPAA Rating: | NR |
| Genre: | Documentary, Short |
| Country: | United States |
| Directed By: | Caroline Gentry |
| Written By: | Caroline Gentry, Theodore Roosevelt |
| Cast: | Kermit Roosevelt, George Kruck Cherrie, Lauro S. Müller, Edith Kermit Carow Roosevelt, Leo E. Miller, John Augustine Zahm, Cândido Mariano Da Silva Rondon, Edwin V. Morgan, Theodore Roosevelt |
| In Theaters: | Oct 27, 1928 |
| Runtime: | 30 minutes |
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