How many movies have Jan W. Speerger and R. A. Dvorský acted in together?

They have worked on 18 movies together! Their first movie together was The Good Soldier Schweik (1930) while their highest rated movie together was Lelíček in the Services of Sherlock Holmes (1932). They have not worked together since The Hard Life of an Adventurer (1941). They are most known for their comedy films together.