How many movies have F. X. Mlejnek and R. A. Dvorský acted in together?

They have worked on 15 movies together! Their first movie together was From Saturday to Sunday (1931) 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.