How many movies have Kanae Kobayashi and Keiko Koyanagi acted in together?

They have worked on 18 movies together! Their first movie together was Story of a Beloved Wife (1951) while their highest rated movie together was Ghost-Cat of Arima Palace (1953). They have not worked together since Sleepy Eyes Of Death 14: Fylfot Swordplay (1969). They are most known for their drama films together.