- 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
Vulcan science officer, who turned murderer after loosing 1200 crewmates during the battle of Ricktor Prime in 2375. Chu'Lak's use of a TR-116 rifle made catching him very difficult.