How many movies have Eiji Gō and Kōji Wada acted in together?

They have worked on 10 movies together! Their first movie together was Blood-Red Water in the Channel (1961) while their highest rated movie together was Outlaw: Kill! (1969). They have not worked together since New Battles Without Honor and Humanity 3: Last Days of the Boss (1976). They are most known for their crime films together.