Summary: The West Indies island of Portuga exists mainly for sponge diving. But the best area of collection is frequented by a very large manta ray. Nina loses her lover to the creature and is comforted by a newly arrived minister, who seems very interested in an old poster offering a reward for a convict recently escaped from nearby Devil's Island... (imdb)

Genres: Romance, Suspense/Thriller, Action

Country: USA

Directed By: Lionel Barrymore, Wesley Ruggles

Starring: Boris Karloff, Raquel Torres, Gibson Gowland, Charles Bickford, George F. Marion, John Miljan, Nils Asther

More information at the Internet Movie Database