How many movies have Necati Ilktaç and Osman F. Seden collaborated on?

They have worked on 18 movies together! Their first movie together was Kardeş Kurşunu (1955) while their highest rated movie together was The Golden Cage (1958). They have not worked together since Mazi Kalbimde Yaradır (1970). They are most known for their drama films together.