How many movies have Kirô Abe and Shigeru Kōyama acted in together?

They have worked on 1 movie together! Their first movie together was Kwaidan (1965) and was their highest rated movie together. They have not worked together since Kwaidan (1965).

Role
(segment "Hoichi the Earless") (uncredited)
Role
(segment "In a Cup of Tea") (uncredited)