- 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
Father of Dr. Leonard McCoy, who suffered from a debilitating terminal disease. His son decided to end the application of medical technology that kept his father alive — but also caused him protracted suffering.