How many movies have Chōtarō Tōgin and Ken'ichirō Maruyama acted in together?

They have worked on 4 movies together! Their first movie together was Ebirah, Horror of the Deep (1966) while their highest rated movie together was Destroy All Monsters (1968). They have not worked together since Destroy All Monsters (1968). They are most known for their science fiction films together.