Mechanical person (5)
I believe the answer is:
robot
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">mechanical person</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is the entire clue.<br/ ></span>
(Other definitions for robot that I've seen before include "Automaton or sci-fi creature" , "Automatic machine" , "Programmable machine" , "Computer-driven entity" , "performer lacking emotion" .)