Mystery Submarine
Undersea Raider at Large!
12/1/1950
Imdb: tt0042772
Tmdb: 202688
Popularity: 3.454
Vote: 4/10 (1)

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.