William Morgan Sheppard (24 August 1932 – 6 January 2019) was an English actor and voice actor who appeared in over 100 films and television programs, in a career that spanned over 50 years.
Sheppard starred in several episodes of different series of Star Trek, notably The Next Generation's "The Schizoid Man" and Voyager's "Bliss". In the feature film Star Trek VI: The Undiscovered Country, his role was the warden of a Klingon gulag and in the 2009 reboot Star Trek, he played a member of the Vulcan High Council, but was uncredited. Outside of Star Trek, he is best known for his role as Blank Reg on Max Headroom and his role as the Confederate general Isaac R. Trimble in the films Gettysburg and Gods and Generals.
Sheppard appeared in two roles on the science-fiction series Babylon 5, in the episode titled "Soul Hunter", playing the eponymous character and also played Narn war leader G'Sten, an uncle of main character G'Kar, in "The Long Twilight Struggle". He was also a runner-up for the role of Ambassador G'Kar on the series, though the role eventually went to Andreas Katsulas.
Sheppard was one of several Star Trek actors who voiced characters on the animated series Gargoyles, wherein he played the father of Jonathan Frakes' character David Xanatos and the Norse god Odin.
