- Star Trek: The Motion Picture
- Star Trek II: The Wrath of Khan
- Star Trek III: The Search for Spock
- Star Trek IV: The Voyage Home
- Star Trek V: The Final Frontier
- Star Trek VI: The Undiscovered Country
- Star Trek Generations
The Betazoid director of the biennial Trade Agreements Conference in 2366. Grax was an old friend of Lwaxana Troi's late husband, Ian Andrew Troi, and had known their daughter, Deanna Troi, since childhood. Grax contacted the Enterprise -D to inform the captain when Riker, Deanna Troi, and Lwaxana Troi were missing, kidnapped by Ferengi operatives.