It's man versus fish in this unusual documentary about "G-Man of the Sea" Captain Wallace Caswell─a Florida police chief and fisherman called upon to do battle with undersea creatures threatening local gamefish and humans. See: Caswell use knife and harpoon to take on a vicious shark! Watch: Caswell untangle a deep sea diver from the clutches of an octopus! Behold: Caswell fighting a whale...or is that actually a dolphin? 76 min. Standard; Soundtrack: English; bonus short "Fish from Hell" (1945). Plays All Regions.