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
Medicine in Star Trek Medicine in Star Trek Medicine in "Star Trek" refers to the medical technologies, procedures and conditions as seen in the "Star Trek" fictional universe. Since the "Star Trek" fictional universe takes place roughly two or three centuries in our future, medical technology is portrayed as having grown to be far more sophisticated and advanced than current technology. When confronted with medical technology from older time periods, the character often react apprehensively or skeptically to the relatively outdated modern procedures. For example, when visiting a hospital in the 1980s in "", Dr. McCoy (played by DeForest Kelley) shows disdain for his