Leonard McCoy is confronted with the unusual silicon-based Horta alien in "The Devil in the Dark" (1967), saying, "I'm a doctor, not a bricklayer." The line was used in "Terra Nova". Kelley himself parodied the phrase for a "Trivial Pursuit" commercial, in which the question is asked "How many chambers does a human heart have?" Kelley appears on screen and replies "How should I know? I'm an actor, not a doctor!". Leonard McCoy Dr. Leonard H. "Bones" McCoy is a character in the American science fiction franchise "Star Trek". First portrayed by DeForest Kelley in the , McCoy also appears in the
Star Trek: The Next Generation (season 1) made by Roddenberry publicly on October 10, 1986. Several stars of "The Original Series" and the film franchise stated that they did not like the premise of a new series set in the same universe that did not feature them. DeForest Kelley, who appeared in the pilot as Admiral Leonard McCoy, said that while he understood that the studio wanted to keep the franchise going beyond them, he felt that "there's only one "Star Trek", and that's ours". James Doohan, who played Montgomery "Scotty" Scott, said that "Star Trek" was about the characters and with a new cast the studio