Mystery Submarine
Posing as an ex-German medical officer, a U. S. Navy Intelligence Officer sets out to rescue a kidnapped scientist, and sink a Nazi submarine, hiding off the coast of South America.
Universal International PicturesCrew
Cast
Brett Young
Macdonald CareyMadeline Brenner (as Marta Toren)
Märta TorénCommander von Molter
Robert DouglasHeldman
Carl EsmondDr. Adolph Guernitz
Ludwig DonathCarla (as Jacqueline Dalya Hilliard)
Jacqueline DalyaBruno
Fred NurneyMrs. Weber (as Katharine Warren)
Katherine WarrenCaptain Elliott
Howard NegleyKramer
Bruce Morgan
Macdonald CareyMadeline Brenner (as Marta Toren)
Märta TorénCommander von Molter
Robert DouglasHeldman
Carl EsmondDr. Adolph Guernitz
Ludwig DonathCarla (as Jacqueline Dalya Hilliard)
Jacqueline DalyaBruno
Fred NurneyMrs. Weber (as Katharine Warren)
Katherine WarrenCaptain Elliott
Howard NegleyKramer
Bruce Morgan
