How many movies have Minoru Ōki and Teruo Ishiyama acted in together?

They have worked on 3 movies together! Their first movie together was The Fort of Death (1969) while their highest rated movie together was Lone Wolf and Cub: Baby Cart in the Land of Demons (1973). They have not worked together since Lone Wolf and Cub: White Heaven in Hell (1974). They are most known for their action films together.