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 provided for principal characters in the "Star Trek" TV series (Kirk, Spock, Dr. McCoy, Scotty, etc.), allowing players to play those roles instead of generating their own characters. The first edition of the game included a tactical starship combat game, which would later be redeveloped into the Starship Tactical Combat Simulator. The game's basic rule system provided a simple system for moderating space battles, in which each player assumed a role in the battle, typically by manning a station on the ship's bridge. The Captain determined the strategy, the Engineer was responsible for power management and allocation to different systems