How many movies have Kōji Sekiyama and Shirō Ōki acted in together?

They have worked on 7 movies together! Their first movie together was Keishichō monogatari 108 gōsha (1959) while their highest rated movie together was A Fugitive from the Past (1965). They have not worked together since Gambler's World (1967). They are most known for their crime films together.