How many movies have Aarre Ekholm and Uolevi Lönnberg collaborated on?

They have worked on 4 movies together! Their first movie together was Toukokuun taika (1948) while their highest rated movie together was Irmeli, seitsentoistavuotias (1948). They have not worked together since Pontevat pommaripojat (1948). They are most known for their comedy films together.