How many movies have Mitsugi Okura and Yōko Mihara collaborated on?

They have worked on 21 movies together! Their first movie together was Nude Actress Murder Case: Five Criminals (1957) while their highest rated movie together was Haunted Cave (1959). They have not worked together since 弥次喜多珍道中　中仙道の巻 (1960). They are most known for their crime films together.