How many movies have Masao Hirakawa and Ryō Nishida acted in together?

They have worked on 4 movies together! Their first movie together was The Maizuru Showdown between The Yakuza Brothers (1974) while their highest rated movie together was Code of Wolves (1974). They have not worked together since Decapitation of an Evil Woman (1977). They are most known for their action films together.