How many movies have Elmer Lahti and Raili Kuusisto collaborated on?

They have worked on 4 movies together! Their first movie together was Vihdoinkin hääyö… (1957) while their highest rated movie together was Pekka ja Pätkä Suezilla (1958). They have not worked together since Pekka ja Pätkä miljonääreinä (1958). They are most known for their comedy films together.