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.
- genus: War, Drama, Thriller
- Studio: Universal International Pictures
- keyword: submarine
- cast: Macdonald Carey, Märta Torén, Robert Douglas, Carl Esmond, Ludwig Donath, Jacqueline Dalya