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 Vulcans, who had a violent past but learned to control their emotions. Roddenberry also gave "Star Trek" an anti-war message and depicted the United Federation of Planets as an ideal, optimistic version of the United Nations. His efforts were opposed by the network because of concerns over marketability, e.g., they opposed Roddenberry's insistence that "Enterprise" have a racially diverse crew. The central trio of Kirk, Spock, and McCoy from "Star Trek: The Original Series" was modeled on classical mythological storytelling. William Shatner said: Richard Lutz wrote: In early 1964, Roddenberry presented a brief treatment for a proposed "Star Trek"