Boyett earned much praise for The Hidden as a hospital patient named Jonathan P. Miller, possessed by an alien being with a taste for red Ferraris and rock and roll music.
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Boyett appeared in a number of television programs, such as Perry Mason, Highway Patrol, Tales of the Texas Rangers, Sea Hunt, I Spy, The Man From U.N.C.L.E. (uncredited; "The Secret Sceptre Affair" from 1965), Fantasy Island, The Rockford Files, Star Trek: The Next Generation, The A-Team and Night Court.
William Shakespeare | William Laud | William Blake | William | William III of England | William Morris | William McKinley | William Howard Taft | William Ewart Gladstone | William the Conqueror | William S. Burroughs | William Shatner | William Faulkner | William Randolph Hearst | William Wordsworth | William Tecumseh Sherman | William Hogarth | Prince William, Duke of Cambridge | William Penn | William Jennings Bryan | William Gibson | William Wilberforce | William James | William Makepeace Thackeray | Fort William | William Hanna | William Hague | William III | William Hurt | William Walton |