How many movies have Mankichi Maeda and Tatsuo Wakabayashi acted in together?

They have worked on 2 movies together! Their first movie together was 隠密くノ一忍法帳 餓鬼姉妹 (2005) and was their highest rated movie together. They have not worked together since Lady Ninja Kasumi 4: Birth of a Ninja (2007).