How many movies have Mike Daneen and Osman Yusuf acted in together?

They have worked on 3 movies together! Their first movie together was Element of Surprise (1963) while their highest rated movie together was Terrifying Girls' High School: Delinquent Convulsion Group (1973). They have not worked together since Terrifying Girls' High School: Delinquent Convulsion Group (1973).