- 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
Noted expert in Sub-space theory. He and his wife, Dr T'Pan of the Vulcan Science Academy, attended Dr Reyga's metaphasic shield experiment aboard the U.S.S. Enterprise-D in 2369.