How many movies have Kelsey Grammer and Woody Harrelson acted in together?

They have worked on 4 movies together! Their first movie together was Paul Reiser: Out on a Whim (1987) while their highest rated movie together was Mickey's 60th Birthday (1988). They have not worked together since Must See TV: An All Star Tribute to James Burrows (2016). They are most known for their comedy films together.