How many movies have Helena Vondráčková and Naďa Urbánková acted in together?

They have worked on 12 movies together! Their first movie together was Rendez-vous pri Dunaji (1970) while their highest rated movie together was Silvestr 1978 (1978). They have not worked together since Silvestr 79 aneb Hrajeme si jako děti (1979). They are most known for their music films together.