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
Guinan (Star Trek) related to time for unclear reasons, although it may be related to what is explain in the movie "Generations". Among the episodes with Guinan, "The Measure of a Man" and "The Best of Both Worlds" diology received noted acclaim, and an extended cut of "The Measure of Man" was released in 2012. In "Star Trek Generations", released in 1994, Guinan explains the Nexus to Picard. In this 2002 Star Trek film, Goldberg reprises her role as Guinan. In "Star Trek: Nemesis", Guinan has attended the wedding between Riker and Troi. The character Guinan, looking like the TNG character, appears in