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
Star Trek: First Contact die, "that would be me". The third draft of the script added cameos by two actors from the sister television series "", which was in its when the film was released. Robert Picardo appears as the "Enterprise"s Emergency Medical Hologram; Picardo played the holographic Doctor in "Voyager". His line "I'm a doctor, not a door stop", is an allusion to the "Star Trek" original series character Dr. Leonard McCoy. Picardo's fellow "Voyager" actor Ethan Phillips, who played Neelix, cameos as a nightclub Maitre d' in the holodeck scene. Phillips recalled that the producers wanted the fans to be left guessing