How many movies have Norbert Zbigniew Mędlewski and Zbigniew Dobracki collaborated on?

They have worked on 6 movies together! Their first movie together was Ściana czarownic (1967) while their highest rated movie together was The Killer Leaves a Trace (1967). They have not worked together since Zakręt (1977). They are most known for their drama films together.