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: Discovery previous 700+ episodes of "Star Trek" by taking advantage of the streaming format of All Access and telling a single story arc across the entire first season. He and Kurtzman developed this story from "so many elements of "Star Trek"", taking certain episodes of the original series and using their "DNA" to find "the spirit of what "Star Trek" offers, both in terms of high-concept science fiction storytelling and really wonderful metaphors for the human condition". Berg said that the series' writers "are so in love with" "The Original Series", "The" "Next Generation", and the family aspect of those series,