How many movies have Bogomil Simeonov and Georgi Cherkelov acted in together?

They have worked on 6 movies together! Their first movie together was Dangerous Flight (1968) while their highest rated movie together was The Weddings of Ioan Assen (1975). They have not worked together since Khan Asparukh - Part I - Phanagoria (1981). They are most known for their drama films together.