- 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
Venerable character actor William Morgan Sheppard turns up four times in the Star Trek universe: as the Rura Penth commandant in ST VI; as the chief Vulcan Science Council minister in 2009’s Star Trek; Data’s “grandfather” Ira Graves in TNG’s “The Schizoid Man,” and as Quatai in Voyager’s “Bliss.” He is also “responsible” for a fourth, as the father of Mark “Leucon” Sheppard. Born in 1932 in London, the elder Sheppard’s long stage career later turned to TV, where he has appeared in hits from MacGuyver and Babylon 5 to NCIS, Mad Men, Doctor Who, and voicing Gartgoyles.