- 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
William Sadler played Luther Sloan, one of Section 31's leaders, in several Deep Space Nine episodes.
He is best known for his roles "Die Hard 2: Die Harder", "The Shawshank Redemption", and as the Grim Reaper in "Bill & Ted's Bogus Journey".