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The Mystery of the Riverboat
- Action
- Crime
Some swampland becomes valuable, and various factions squabble over ownership of it.
Cast
| Robert Lowery | Steve Langtry | |
| Lyle Talbot | Rudolph Toller | |
| Arthur Hohl | Clayton | |
| Mantan Moreland | Napoleon | |
| Oscar O'Shea | Capt. Ethan Perrin | |
| Joe Devlin | Louis Schaber |
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