- 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
Highest-ranking Vidiian surgeon in 2371. Sulan's dedication to ending the phage eclipsed regard for other lifeforms. His experiments on sentient beings included B'Elanna Torres, from whom he collected Klingon DNA.