How many movies have Ewa Strömberg and Fred Williams acted in together?

They have worked on 3 movies together! Their first movie together was The Devil Came from Akasava (1971) while their highest rated movie together was The Vengeance of Dr. Mabuse (1972). They have not worked together since The Vengeance of Dr. Mabuse (1972). They are most known for their horror films together.