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
Comparison of Star Trek and Star Wars Wars" a "derivative" of "Star Trek". A few references to "Star Wars" have been inserted into "Star Trek" films. For fleeting moments, one can see ships and droids from "Star Wars" in both "Star Trek" (2009) and "Star Trek Into Darkness" (2013). Some "Star Trek" films and television episodes used the "Star Wars" animation shop, Industrial Light & Magic, for their special effects. When Roddenberry was honored at a "Star Trek" convention late in life, a congratulatory letter from Lucas was presented by an actor dressed as Darth Vader. A few years earlier, Roddenberry had contributed an entry in honor