How many movies have Jiří Široký and Ladislav Kalaš collaborated on?

They have worked on 4 movies together! Their first movie together was Objev na Střapaté hůrce (1962) while their highest rated movie together was A Report on the Party and the Guests (1966). They have not worked together since A Report on the Party and the Guests (1966). They are most known for their comedy films together.