"Psycho" co-star (5)
I believe the answer is:
leigh
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">psycho co-star</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this in another clue)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for leigh that I've seen before include "Town in NW England" , "Mike - - (film director)" , "See 17" , "Lancashire town" , "Vivien ---; --- Hunt" .)