How many movies have Dzidra Ritenberga and Jevgeņijs Oļšanko collaborated on?

They have worked on 6 movies together! Their first movie together was My Frivolous Friend (1975) while their highest rated movie together was This Dangerous Balcony Door (1976). They have not worked together since The Longest Straw (1982). They are most known for their drama films together.