Swamp of the Lost Monster [227432] Released: 1957-09-05 Genres: Western, Horror, Mystery Revenue: unknown Cast: 6 Popularity: 0.0893 Links: : Homepage, IMDB, TMDB Synopsis : A disappearing body leads a detective and his sidekick into an encounter with a gill man. Gastón SantosRayo de PlataManola SaavedraPedro de AguillónManuel DondéSara Cabrera