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
The Apple (Star Trek: The Original Series) The Apple (Star Trek: The Original Series) "The Apple" is the fifth episode of the of the American science fiction television series "". Written by Max Ehrlich and directed by Joseph Pevney, it was first broadcast on October 13, 1967. In the episode, the crew of the "Enterprise" visits a planet whose inhabitants live only to serve a machine. The starship USS "Enterprise" arrives at Gamma Trianguli VI, a planet that appears to be a tropical paradise with very rich natural resources. Captain Kirk leads a landing party including Chief Medical Officer Dr. McCoy, Ensign Chekov, First Officer Spock, Yeoman