Mystery of the Riverboat (1944)
A movie serial in 13 chapters: Some swampland becomes valuable, and various factions squabble over ownership of it.
- Country : United States of America
- Genre : Action, Crime
- Studio : Universal Pictures
- Director : Lewis D. Collins, Ray Taylor
- Cast : Robert Lowery, Marjorie Clements, Lyle Talbot, Arthur Hohl, Oscar O'Shea, Joe Devlin