How many movies have DeForest Kelley and James Doohan acted in together?

They have worked on 7 movies together! Their first movie together was Star Trek: The Motion Picture (1979) while their highest rated movie together was Star Trek II: The Wrath of Khan (1982). They have not worked together since The Making of Star Trek Deep Space Nine Trials And Tribble-ations (1996). They are most known for their adventure films together.