How many movies have Dick Antin and William Reunanen collaborated on?

They have worked on 4 movies together! Their first movie together was Isän vanha ja uusi (1955) while their highest rated movie together was Niskavuori taistelee (1957). They have not worked together since Pekka ja Pätkä sammakkomiehinä (1957). They are most known for their comedy films together.