Mystery of the Riverboat (1944)
A movie serial in 13 chapters: Some swampland becomes valuable, and various factions squabble over ownership of it.
Top billed cast
Robert LowerySteve Langtry
Marjorie ClementsJenny Perrin
Lyle TalbotRudolph Toller
Arthur HohlClayton
Oscar O'SheaCapt. Ethan Perrin
Joe DevlinLouis Schaber
Anthony WardeBruno Bloch
Francis McDonaldBatiste
Eddy WallerCharles Langtry
Marion MartinCeleste Eltree [Chs. 1-4, 7]
Similar to Mystery of the Riverboat
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