How many movies have Masaya Nihei and Susumu Kurobe acted in together?

They have worked on 6 movies together! Their first movie together was The Retreat from Kiska (1965) while their highest rated movie together was ウルトラマン前夜祭 ウルトラマン誕生 (1966). They have not worked together since Ultraman Monster Legend: The 40 Year Old Truth (2005). They are most known for their science fiction films together.