How many movies have Nobu Kawaguchi and Ryūji Shinagawa acted in together?

They have worked on 5 movies together! Their first movie together was Cases of An Actor in Disguise: Bloodskull Mansion (1961) while their highest rated movie together was Strike of the Jaguma (1961). They have not worked together since Kabe no naka no bijo (1962). They are most known for their horror films together.