Captain Scarface (1953)
A group of communist spies plan to blow up an essential commercial artery, the Panama Canal. To this end, they have kidnapped a nuclear scientist and are traveling by steamship to the coast of South America. Luckily for western civilization, the hard-nosed ship's captain, played by Barton MacLane, has other ideas.
Directed by: Paul Guilfoyle
Starring: Barton MacLane, Virginia Grey, Leif Erickson, Peter Coe, Rudolph Anders, Howard Wendell
Links: IMDb, Movie posters, Movie stills