How many movies have Michael Dorn and René Echevarria collaborated on?

They have worked on 3 movies together! Their first movie together was Star Trek: The Next Generation - All Good Things... (1994) while their highest rated movie together was Star Trek: The Next Generation - Gambit (1995). 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 science fiction films together.