Mystery Submarine (1950)

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.

Directed by: Douglas Sirk

Starring: Macdonald Carey, Märta Torén, Robert Douglas, Carl Esmond, Ludwig Donath, Jacqueline Dalya

Links: IMDb, Movie posters, Movie stills