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 Survivor (Star Trek: The Animated Series) to protect the "Enterprise" would be taken into consideration. Nored informs the Vendorian that it is very similar to Winston in personality and she offers to return to Earth with the alien. When Chief Medical Officer Leonard McCoy (voiced by DeForest Kelley) jokes that if the Vendorian had turned himself into a second Spock "it would have been too much to take", Spock (voiced by Leonard Nimoy) quickly replies that "two Dr. McCoys just might bring the level of medical efficiency on this ship to acceptable levels." "The Survivor" is writer James Schmerer's only credit in the "Star Trek" franchise,