Bloodlust!

Bloodlust! (1961) is a drama, horror, adventure directed by Ralph Brooke rated 4.4/10.

Two couples are on a boating trip when they come across an uncharted island. The four investigate and find themselves in the clutches of Dr. Albert Balleau, whose hobby is hunting both animals and humans… The group tries to escape only to be thwarted by Dr. Balleau and his henchmen.