How many movies have Milan Muchna and Richard Valenta collaborated on?

They have worked on 5 movies together! Their first movie together was Five Men and One Heart (1971) while their highest rated movie together was Matěji, proč tě holky nechtějí? (1981). They have not worked together since Matěji, proč tě holky nechtějí? (1981). They are most known for their comedy films together.