How many movies have Masataka Iwao and Yoshinobu Hirose acted in together?

They have worked on 9 movies together! Their first movie together was Battles Without Honor and Humanity: Deadly Fight in Hiroshima (1973) while their highest rated movie together was Japan's Don (1977). They have not worked together since Onimasa: A Japanese Godfather (1982). They are most known for their drama films together.