Bela Lugosi Meets a Brooklyn Gorilla (1952)

Directed by William Beaudine. The story revolves around two nightclub comedians, Duke Mitchell and Sammy Petrillo, who get stranded on a tropical island during a plane crash. They encounter a mad scientist, Dr. Zabor, played by Bela Lugosi, who mistakes them for the subjects of his experiments. To complicate matters further, there's also a gorilla on the loose.