How many movies have Dimitrij Plichta and František Belfín collaborated on?

They have worked on 3 movies together! Their first movie together was To Be Alone (1958) while their highest rated movie together was I Wouldn't Leave Tereza for Any Other Girl (1976). They have not worked together since I Wouldn't Leave Tereza for Any Other Girl (1976). They are most known for their family films together.