DistributorAlameda Films4 titlesTitle (Original title) (Year)Swamp of the Lost SoulsEl pantano de las ánimas (1957) (cinema)Black Pit of Dr. M (the)Misterios de ultratumba (1959) (cinema)Marca del muerto (la) (1961)Baron of TerrorEl barón del terror (1962) (cinema)