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 Role Playing Game which either were never introduced into what later became canon "Star Trek", or which differ significantly from how canon "Star Trek" presents them, include: The game's depiction of the Klingons, the result of work by science fiction author John M. Ford, differs greatly from later canon. Ford's Klingons not only appear in the supplement "The Klingons" for the game, but also in his Star Trek novel "The Final Reflection", whose story is told almost entirely from a Klingon perspective. Ford designed his Klingon society to provide a logical basis for the actions and statements of onscreen Klingons in the original