- 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
Hekaran physicist who concurred with his sister, Serova, that warp drive travel was damaging to the fabric of space. In 2370, Serova's theories were presented to Federation representatives.