- 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
Young boy whose parents committed suicide on Triacus in 2268. Tsingtao and the other Starnes Expedition children were discovered to have been controlled by an evil entity named Gorgan until Captain Kirk helped set them free.