How many movies have Bilge Olgaç and Osman Şahin collaborated on?

They have worked on 5 movies together! Their first movie together was Gülüşan (1985) while their highest rated movie together was Kurşun Adres Sormaz (1992). They have not worked together since Kurşun Adres Sormaz (1992). They are most known for their drama films together.