How many movies have Arve Opsahl and Svein Toreg collaborated on?

They have worked on 3 movies together! Their first movie together was The Man Who Could Not Laugh (1968) while their highest rated movie together was The Olsen Gang For Full Music (1976). They have not worked together since Folk og røvere i Kardemomme by (1988). They are most known for their comedy films together.